月度归档 2025年6月10日

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Common cold Why do you take a lot of medicine and cough or not get better？

　　Guangzhou Daily News (all-media reporter Weng Shuxian correspondent Yao Xue, Pan Yingyuan) The common cold is too common. At present, spring and summer alternate, sometimes it rains and sometimes it is sunny, and the damp heat is aggravated. If you are not careful, you will easily be "caught".

　　There is no specific medicine for a cold, and it is also a self-limiting disease. Many people can get through it after a few days’ rest, but some people take a lot of medicine, which not only fails to alleviate, but is even more serious. The most common symptoms are fever and cough, and I can’t sleep well all night. What’s even worse is that this cough sometimes lasts for half a month, and the "hands and tails" are very long. Why is it so hard? Let’s listen to Dr. Nie Wenqiang, director of the Department of Traditional Chinese Medicine, Hong Min, the First Affiliated Hospital of Guangdong Pharmaceutical University.

　　I believe that many people who suffer from colds have similar experiences: when symptoms appear, they find some medicine to take, which is effective for the first two days, but after two days, they start coughing frequently or even having a fever, but then taking medicine is not effective. Moreover, at first, I only coughed during the day, and there was a little more phlegm. Later, I took expectorant drugs and it didn’t work. I coughed even more at night. Why do people get over a cold without taking medicine for a few days, but you take a lot of medicine and cough is not good?

　　In fact, others get better quickly because his body adjusts in time to "stop loss quickly" at the beginning of a cold, and the reason why you "have a long hand and tail" is to drag the disease from "exterior syndrome to interior syndrome" and completely go through the following three stages:

　　first stage

　　At the beginning of a cold, help "positive" and "stop loss quickly"

　　Traditional Chinese medicine believes that exogenous symptoms in the early stage of a cold, such as headache, aversion to cold, stuffy nose and runny nose, heavy or sore body, fever, etc., are mainly caused by the lack of healthy qi. For example, when the resistance drops, exogenous pathogens will invade the human body under the influence of factors such as sudden climate change, abnormal cold and heat, and excessive fatigue.

　　In fact, the human body has a self-regulation mechanism. People with mild symptoms in the early stage of a cold and good health can gradually relieve symptoms by traditional methods, such as drinking some onion and black bean soup, or drinking more hot water, sweating and taking more rest to protect the "healthy qi" in the body, and can heal themselves without taking medicine.

　　Onion and black bean soup:

　　Take 3 inches of scallion and 30 grams of fermented soybean, and decoct the soup twice;

　　For patients with slightly severe symptoms, 10 grams of Ramulus Cinnamomi and 15 grams of Gardenia can be added, and the decoction can be taken twice;

　　For patients with slight cough, dry throat and itchy throat, 12 grams of cassia twig and 10 grams of almond can be decocted and taken twice.

　　Special reminder: the above is the dosage for adults, and children should reduce it as appropriate.

　　If the symptoms are more serious, it is necessary to use more pungent and warm prescriptions, such as Mahuang Decoction, Guizhi Decoction and Gegen Decoction in classic prescriptions.

　　stage Ⅱ

　　From the outside to the inside, the immune "army" can’t stand it.

　　In the early stage of a cold, those who can "stop the loss" in time will heal themselves in a week or so, but often many people have not improved for a week and dragged them into the second stage — — The disease "goes from the outside to the inside", and the immune "army" in the body is losing ground, and even starts to have a fever and cough.

　　People with chronic pharyngitis, in particular, are more likely to lead to acute attacks of chronic diseases. The "cold and dampness" that was originally lurking in the body and did not dare to act rashly emerged at this time, cooperating with the cold virus and attacking the body together.

　　From the perspective of Chinese medicine, the common cold cough is the result of cold virus and cold and dampness in the body. The treatment principle of traditional Chinese medicine is to comprehensively evaluate and treat according to syndrome differentiation by combining everyone’s physique, medical history, predisposing factors and course of disease.

　　The third stage

　　Cough getting worse? It hurts to take medicine indiscriminately

　　To deal with the common cold, many people will buy their own medicine "autonomy". In fact, patients who are not studying medicine generally don’t understand the syndrome differentiation of diseases, and they lack syndrome differentiation when buying their own medicine, so they may take the wrong medicine.

　　Many people get worse and have a longer course of disease because of taking drugs indiscriminately. For example, in many cold patients with yellow phlegm and sore throat, TCM syndrome differentiation may be "cold-heat mixed syndrome". If you take a large amount of heat-clearing antidote, the inflammation will be eliminated, but the "righteousness" will also be damaged. In the face of the invasion of cold virus, it will become chronic cough and asthma for a long time.

　　People with "cold and heat mixed syndrome" are often "deficiency in the interior" accompanied by heat syndrome. If you just take heat-clearing drugs blindly, you will not only be unable to get rid of "cold and dampness", but also can’t make up for righteousness. If you use a lot of heat-clearing and antidote, it will hurt "righteousness". Therefore, at this stage, it is necessary to help "righteousness" while moderately clearing away heat.

　　Hong Min reminded that especially patients who are prone to cough and asthma repeatedly at ordinary times are mostly accompanied by deficiency in the interior (lack of healthy qi), so don’t eat proprietary Chinese medicines without authorization.

　　People who are usually weak, easy to sweat and have low immunity and easy to catch a cold, can try Huangqi Jianzhong decoction in flu season or when the weather is changeable to help replenish qi and consolidate exterior.

　　Huangqi Jianzhong decoction

　　Formula: 10g of Astragalus membranaceus, 3g of Cinnamomum cassia twig, 6g of Radix Paeoniae Alba, 3g of Radix Glycyrrhizae Preparata, 3g of Radix Saposhnikoviae, 3g of red dates and 6g of ginger.

　　Usage: decoct soup once a day, and add about 10ml of honey when taking it.

　　However, not everyone is suitable for using this preventive prescription. It is recommended to consult a doctor first and make a clear diagnosis before deciding whether to take it.

China universities, why is it difficult to achieve scientific research results？

At present, there is an urgent need for the development of scientific and technological innovation in China. On the one hand, it is necessary to break through the international technical blockade and move forward from "China catching up" to "China leading" technological innovation path; On the other hand, it is to solve the practical problems of economic and social development and meet the needs of high quality of life and production.

For this reason, scientific and technological innovation can not only be solved by scientists in universities alone, but also requires the full participation of subjects facing the forefront of economic and social development, especially enterprises.

Through school-enterprise cooperation, the core scientific problems behind the key technologies needed for development can be solved, and at the same time, new technical routes can be defined or generated based on the reality of China, thus forming the core capability and the most appropriate development of China’s innovation system.

However, at present, the education management department focuses on patents, papers and vertical projects, which is not conducive to stimulating the motivation and willingness of universities and researchers to cooperate with enterprises.

Therefore,We should adjust the evaluation orientation of scientific research tasks in education departments and change "breaking five talents" into "establishing many talents"The application rate of patented technology, the cooperation projects, the establishment of technical enterprises by colleges and universities, horizontal projects and the joint construction of laboratories by schools and enterprises are all included, and the positive signals to encourage school-enterprise cooperation are released from top to bottom.

First, the necessity of strengthening school-enterprise cooperation

Scientific and technological innovation is the core of the overall situation of national modernization, and colleges and universities, as the key combination point of the first productivity of science and technology, the first resource of talents and the first driving force of innovation, have the resources and ability to serve the real productive forces of society. To serve the real productive forces of society, colleges and universities need to face a series of means to curb the rise of China’s science and technology in the western world, break through the technical containment and solve the technical problem of "sticking the neck"; It is also necessary to base itself on the real market demand and solve the problem that the theoretical research of colleges and universities is out of touch with the real market technology.

In this regard,School-enterprise cooperation is a key link.-The enterprise, as the main body, faces the market directly, understands the market demand, and hopes to apply scientific research to practical production. Therefore, universities and enterprises have strong adaptability and complementarity in scientific and technological innovation. School-enterprise cooperation can accelerate the transformation from basic research to applied research and truly transform the scientific and technological knowledge generated in universities into practical productivity.

But in reality, colleges and universities lack the motivation mechanism to cooperate deeply with enterprises.One of the main reasons is that the education department focuses on the theoretical research and teaching needs of colleges and universities, and the incentive for applied research in cooperation with enterprises is weak.

Generally speaking, the education department evaluates universities as the basis of university level and funding, including the number of "hat" talents, the number of professors, the number of discipline points, the results of discipline competitions, the number of provincial and ministerial-level projects initiated, and the number of international high-level papers published. University evaluation researchers take this as the basis of professional title evaluation, and tend to the number of class hours, the number of papers, the number of vertical projects and so on.

From the education department, to universities, and then to researchers, the top-down index assessment signals the importance of theoretical research and academic discussion, which makes universities and researchers lack motivation and willingness to conduct technical exchanges and R&D cooperation with enterprises.

In the long run, it will further aggravate the disconnection between scientific research and technical reality in colleges and universities, and continue to reduce the willingness of cooperation between schools and enterprises, resulting in the persistent problem of "two skins" of technology and production.

Second, the education sector’s scientific research task orientation is not conducive to school-enterprise cooperation.

The assessment of scientific research tasks in colleges and universities by education management departments focuses on patents, papers and vertical projects. Among them, patents are generally based on the number of authorized patents; Most papers are considered in the form of high-quality representative works; Projects focus on provincial and ministerial-level vertical projects, among which the number of projects of the National Natural Science Foundation is an important symbol to measure the scientific research strength of colleges and universities.

But whether it is patents, high-quality papers or vertical projects, in fact,They all focus on scientific and technological theoretical knowledge and are less directly linked to the technology market.These are not conducive to innovative breakthroughs in economic and social problems.

1. The number of patents granted as a basis for evaluation, the lack of patent transfer and transformation of the evaluation link.

In the absence of a clear grasp of patent quality, attaching importance to quantity or proceeding from quantity is an important reason for the proliferation of "sleeping patents" and the situation of "quantity without quality".

"Low-quality patents" often serve a project, a year-end assessment or a promotion of professional titles, but only fail to serve the solution of technical problems and the improvement of production efficiency. This just confirms that the current situation of patent proliferation and "quantity without quality" is not conducive to school-enterprise cooperation, because low-quality patents are difficult to apply to the market, occupy researchers’ energy, and are full of the evaluation system of higher education system.

2. As the evaluation content, high-quality papers lack guidance and attention to the topic selection.

In recent years, colleges and universities in China have gradually shifted from the number of papers in the past to high-quality masterpieces as an evaluation of academic ability. This is a great progress and reform. However, periodical papers and technical reality follow different research routes-periodical papers pay more attention to the progress of original theoretical knowledge and basic research, while technical reality pays more attention to market demand and application value of knowledge.

When the assessment orientation focuses on the quality of papers, it will indeed promote the progress of technical theory to a great extent, but paying too much attention to high-quality papers is not conducive to joint innovation between universities and enterprises. The so-called high-quality papers start with the ranking of journals, and the entry of top journals can naturally be called high-quality papers, but there is not much attention to the topic selection of papers.

Some applied engineering papers to solve the technical problems of enterprises, small technological breakthroughs in cooperation with enterprises,Often limited by the narrow theme, the lack of original basic theoretical breakthroughs and so on, it missed the top publication.This is actually a typical obstacle to the in-depth cooperation between college teachers and enterprises.

3. As a requirement for evaluation, the level and quantity of vertical projects lack encouragement and support for horizontal projects of enterprises.

Vertical projects and horizontal projects are essentially for scientific research, both of which are scientific research funds, but their levels and levels are quite different because of different sources of funds.

Vertical projects come from the government and horizontal projects come from the market.

The level and quantity of vertical projects, ranging from determining the scientific research level of an institution to determining the promotion assessment of a researcher, are also related to the evaluation of academic titles such as Jie Qing, You Qing, Changjiang Scholars and even academicians, and their importance is self-evident.

Horizontal projects can only be used as a supplement to scientific research funds, and have little effect on the development of institutions and researchers. With this downward trend, the attraction of school-enterprise cooperation is naturally greatly reduced.

Third, adjust the scientific research task orientation of the education department and encourage and promote school-enterprise cooperation.

Here, we still have to affirm the important value of patents, high-quality papers and vertical projects as assessment indicators. But,Some task orientations that are beneficial to school-enterprise cooperation can be added to the assessment, such as the application rate of patent technology, the cooperation system of revealing the list, the establishment of technical enterprises by colleges and universities, the entrustment of horizontal projects by enterprises and the joint construction of laboratories by schools and enterprises.These task orientations are particularly prominent in the science and technology innovation system of the United States, the world’s number one science and technology power.

The most typical examples are the "128 Highway" in the United States and the school-enterprise relationship in Silicon Valley. The core of "Highway 128" is the Massachusetts Institute of Technology in the northeastern United States.（MIT）, Harvard University, Boston University and other research universities, which encourage scientists and graduate students to develop research projects with commercial value, engage in part-time consulting activities and set up enterprises. Raytheon, Polaroid and sensor companies were founded by teachers and students of local universities.

The Silicon Valley in California is developed from the post-war electronic industry cluster, where famous enterprises like Intel, Hewlett-Packard and Lockheed are gathered, which are in close contact with universities in Silicon Valley.(such as Stanford University, University of California, Berkeley, San Francisco)There are close links in cultivating talents together, establishing joint laboratories, incubating research results and patent transfer.

Major companies in silicon valley. Source: Wikimedia commons Author: Samykolon

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　 The picture complies with the copyright agreement CC BY-SA 3.0 DEED:

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Thanks to the close cooperation between schools and enterprises, the vitality of scientific and technological innovation in the United States has been stimulated to the maximum extent, and the scientific and technological dividend has been continuously fed back into social and economic production.

Then, how to strengthen the effectiveness of school-enterprise cooperation and stimulate the vitality of school-enterprise cooperation through the above indicators?

First of all,At the institutional level, the education management department can increase the indicators of school-enterprise cooperation in the scientific research assessment of colleges and universities, and set the assessment weight.

We can add the application rate of patent technology, the number of outstanding projects, school-level technical enterprises, horizontal projects and the number of laboratories jointly built by schools and enterprises to the assessment indicators, thus enriching the diversity of assessment contents.

Especially, the application rate of patent technology and the number of technical enterprises at school level are obviously more difficult than other indicators, so we can increase their assessment weight and improve the attention of colleges and universities from the index weight.

Secondly,Colleges and universities should set up professional and independent technology and innovation centers themselves.

Technology and innovation center should enjoy independent financial and personnel rights, and directly connect with major departments and laboratories in the school. At the same time, the Technology and Innovation Center should also invite technology transfer experts with backgrounds in science, engineering, finance, law and other disciplines. Their main tasks are to identify high-value patents, grasp the quality of patents in the field, connect value patents with enterprises, and jointly explore the patent application market for enterprises. At this point, the practice of Stanford University Technology Transfer Center has fully proved its value and effect.

of course，It is difficult to establish a complete and efficient technical transformation and application system.Therefore, the education management department can carry out pilot aid construction in "double-first-class" colleges with technological advantages, and focus the pilot scope on the ace applied engineering.

Researchers must also pay attention to the motivation and willingness of school-enterprise cooperation. In this regard, to enhance the willingness of researchers to participate in school-enterprise cooperation,It can be encouraged in scientific research achievements and evaluation time.

The first is the evaluation of applied engineering teachers. It can focus on the number of diagnoses of industrial technical problems, the number of market applications of patent achievements, and the number of research institutes or laboratories jointly established with enterprises.

Second, the number of horizontal projects entrusted by enterprises is also included in the evaluation system. Attach importance to and assess the application value of horizontal projects. The evaluation requirements for patent quality should also be added to the vertical project, and the newly established technology and innovation center can undertake the quality control requirements.

Third, the establishment of laboratories by schools and enterprises and the creation of enterprises with technological achievements are all achievements that take a long time to show, so the evaluation time of researchers in these projects can be relaxed.

Finally, it is necessary to enhance the ability of researchers to participate in school-enterprise cooperation.We can try to establish a "revolving door" system for school-enterprise technicians.

One solution is to reach a cooperation intention with enterprises on a certain category of industrial application scenarios, and set aside more than two years for technical personnel of both schools and enterprises."technical holiday"Conduct rotation research, give time and space for both parties to fully understand their theoretical knowledge and product requirements.

Through long-term familiarity and research on the production line, scientific and technological experts in colleges and universities can make theoretical technology and laboratory technology more grounded and focused, and make them more suitable for industrial processes and needs. Technical experts from enterprises can also enter colleges and universities. This not only strengthens theoretical study, but also brings project research in colleges and universities closer to the market, and makes the training of engineering students closer to the market.

Another solution isCo-constructing laboratory.The technical research of the laboratory directly falls into the production workshop of the enterprise, so that the technical experts of colleges and universities and enterprises can directly cooperate face to face on technology, debug the production line and jointly cultivate students.

Fourth, from "breaking five-dimensional" to "establishing multi-dimensional", clarify the direction of scientific research tasks in the education sector.

The application rate of patent technology, the cooperation system, the establishment of technical enterprises by colleges and universities, the horizontal projects entrusted by enterprises and the laboratory jointly built by schools and enterprises can not only verify the importance and support of colleges and universities for school-enterprise cooperation, but also verify whether the technology transfer institutions in colleges and universities are sound and perfect. ??

The top-down system transmission can feed back whether the researchers in colleges and universities have a strong willingness to cooperate with enterprises and whether they have the ability to cooperate with enterprises.

Therefore, incorporating the above indicators into the evaluation system of scientific research ability of colleges and universities by the education department can convey a positive signal to encourage school-enterprise cooperation, and encourage college researchers to turn part of their vision to market demand, thus responding to the practical problems of China’s economy and society.

At the moment of "breaking the five-dimensional" educational evaluation reform, we believe that we should realize the "multi-dimensional" evaluation system. In addition to the only papers and hats in scientific research evaluation, patent authorization, transformation and application of achievements, high-quality papers, vertical projects, projects that highlight the list, school-level technical enterprises, horizontal projects, and laboratories jointly built by schools and enterprises are all included in the multi-dimensional indicators.

On the one hand, the establishment of multi-dimensional index system enables researchers with two different technical routes, basic research and applied research, to have an evaluation grasp.Make the indicators more holistic and scientific.

On the other hand, improving the attention of all walks of life to school-enterprise cooperation can solve the realistic dilemma of western technology blockade by stimulating the vitality of school-enterprise cooperation. At the same time,Respond to the realistic problems of economy and society.

This article comes from WeChat WeChat official account:IPP review (id: IPP-review), Author: Zhang Ruomei (institute for public policy, Assistant Research Fellow, South China University of Technology)

Changan Automobile used IoTDB to build a 150 million time series vehicle condition data processing scheme, and the query was stable to achieve millisecond return.

This article was interviewed from:Chang’anautomobile

1. Changan Automobile Business Scenario

Chongqing Changan Automobile Co., Ltd. is one of the four groups of China Automobile. It is an automobile company that develops, manufactures and sells a full range of passenger cars and commercial vehicles. Its main products include a full range of passenger cars, small commercial vehicles, light trucks, minivans and large and medium-sized buses, and a full range of engines. Changan Automobile always takes "leading automobile civilization and benefiting human life" as its mission, takes customers as its center and products as its main line, continuously provides high-quality products and services, and strives to promote the third venture-innovative business plan, transform itself into an intelligent low-carbon travel technology company, and strive to achieve world-renowned automobile enterprises.

At present, digital technology has deeply reconstructed the automobile. The automobile has gradually evolved from a mechanical product equipped with electronic functions to an electronic product equipped with mechanical functions. The integration of cloud data and AI technology has gradually turned the automobile into a large intelligent mobile terminal, data acquisition carrier, energy storage unit and a mobile multifunctional space. Generally speaking, the smart car has gradually transformed into a wheeled mobile robot with multi-functional space. In this context, the national policy strongly encourages the development of intelligent vehicles and self-driving driven by Industry-University-Research, and the domestic head and new power OEMs gradually take intelligent networked vehicles or self-driving direction as their core business.

Changan Automobile focuses on the development of intelligent vehicles, and its application panorama includes intelligent vehicle control (remote control analysis), intelligent cockpit (vehicle burial point, vehicle user behavior analysis),IoT Data access (access detection, vehicle activation monitoring) and IoT vehicle condition management (vehicle condition monitoring, power research, vehicle networking big screen), realizing business display including eye-catching system, vehicle remote diagnosis and remote early warning system, remote debugging system, etc.

In order to realize the construction of intelligent vehicles, Changan Automobile has built an intelligent vehicle data platform. This big data processing platform is divided into five layers: data access layer, data storage layer, resource scheduling layer, computing engine layer and business presentation layer. now IoTDB It is mainly used in the data storage layer to cope with the massive Internet of Vehicles.time series dataManagement.

The industrial scene of realizing intelligent automobile direction involves a large number of time series data acquisition of vehicle equipment and sensor layer, which is very important for time seriesData solutionThe perfection and efficiency of the system pose a great challenge. Changan Automobile’s current time series data solution has obvious limitations, so we hope to find a better solution for writing, storing, querying and analyzing the time series data in the field of intelligent automobiles.

Based on the characteristics and advantages of IoTDB time series database, Changan Automobile chose IoTDB as the time series data processing scheme of mass intelligent networked vehicles, which realized flexible expansion of mass data writing and storage, effectively improved query performance and reduced equipment and operation and maintenance costs.

2. Pain points of business requirements

210 million data measuring points, with over 10 million new data points per second.

Changan Automobile, as one of the four major automobile groups in China, has a huge business volume, and it needs to deal with a large number of vehicles and data. At present, Changan Automobile’s networked vehicle mass vehicle condition time series data management system has collected about 570,000 vehicles on the network, with a total of 150 million data measuring points and more than 10 million data points added every second. Therefore, Changan Automobile has high requirements for real-time writing, compression and storage of time series database under this data volume.

2.2 High-speed signal acquisition frequency is high

The vehicle acquisition signals of Changan Automobile can be divided into high-speed signals and conventional signals. High-speed signals need to be acquired in milliseconds, and conventional signals need to be acquired in 3-4 seconds. Changan Automobile’s time series data solution should be able to support these two different acquisition frequencies at the same time, and ensure the continuous operation of real-time low-delay acquisition of high-speed signals.

2.3 Low latency data query

The vehicle data query scenario of Changan Automobile mainly includes the effective query of multiple time series of bicycles and the query of the newest point of the full time series of bicycles, that is, the classic real-time and off-line vehicle condition/historical vehicle condition query scenario in the vehicle networking scenario. Changan Automobile’s time series data solution needs to effectively support real-time real-time query and query with a large amount of stored historical data with low delay.

Based on the previous time series data solution of Changan Automobile, a vehicle condition data entered HBase If you want to do analysis later, you need to completely unload the incremental data from HBase, and this batch of range reading process takes a long time. For example, if HBase wants to do offline processing of yesterday’s data, it needs to unload the operational data and put it into Hadoop for analysis this morning. In addition, with the increase of business volume, it takes longer and longer to use HBase for batch reading, which is not suitable for the rapidly expanding data volume scene.

2.4 High cost and maintenance difficulty

Changan Automobile initially adopted HBase as the solution of time series data management, but faced with tens of millions of data measuring points per second, HBase’s cluster data writing was undertaken by 25 data nodes, so many data nodes directly led to the high maintenance difficulty and cost of the system.

3. reasons for selecting IoTDB

3.1 The data structure ensures high scalability, low cost and high stability.

In view of the huge existing data volume and new data volume processing requirements of Changan Automobile, IoTDB’s exclusive native time series model of the Internet of Things stores time series data in layers of devices, measuring points/sensors. With the continuous increase of data volume, it only needs to directly expand the hardware equipment of the query node without interrupting the normal operation of the system, which can achieve second-level expansion and effectively reduce the management and operation costs.

3.2 to achieve tens of millions of writing speed

In view of Changan Automobile’s demand for frequent writing of time series data, IoTDB can write tens of millions of data points per second and handle multi-device billion-level data points, and the writing rate does not decrease with the increase of data volume, maintaining a stable high-speed level.

3.3 Support valid details and latest value query.

Changan Automobile will use IoTDB for detailed query of massive networked vehicle condition data in the scene of vehicle fault alarm. IoTDB adopts a storage architecture that combines the time stamps of data points from below the root node with multi-level storage paths, so that the time series data of different dimensions can be effectively classified and stored, and then the time series data in IoTDB can be determined quickly and uniquely during the query, so that the query efficiency can still be maintained under the condition of using detailed query.

3.4 Improve the batch reading rate and achieve real-time analysis.

In order to meet the demand of Changan Automobile for fast batch reading of data before data analysis, IoTDB can directly synchronize the underlying data files of IoTDB because of its time index, and use the seamless integration of IoTDB and other big data systems to directly analyze the stored file TsFile in real time with Spark engine, which reduces the number of exported copies required for data analysis and improves the analysis and calculation efficiency compared with the original scheme.

3.5 Timely operation and maintenance, and active verification

Changan Automobile Project believes that when the business scenario brings new challenges to the time series data solution, the efficiency and thinking of dealing with the problem is very important. The team behind an excellent time series data solution needs to be able to solve the problem quickly and make the database cover the performance improvement and rich functions required by the business scenario. When Changan Automobile encounters problems in the production environment, the R&D team of IoTDB will quickly coordinate with relevant R&D resources to help. As a team with more than ten years’ experience in researching and serving industrial users, the team members are particularly willing to use IoTDB to verify the ecological environment in the industrial Internet scene, so that the success of the project and the maturity of the product can achieve mutual benefit and win-win. Changan automobile project expressed its gratitude to the IoTDB development team.

It can be seen that the technical advantages of IoTDB can effectively solve the business pain point of Changan Automobile’s current management of time series data, so Changan Automobile chose IoTDB to build the data storage layer of Changan Smart Car Data Platform. This paper introduces and analyzes the solution architecture, time series model structure setting and query performance effect of large-scale time series data management built by Changan Automobile based on IoTDB.

4. Solution architecture

The Internet of Vehicles is a typical Internet of Things scenario. The main data of the Internet of Things scene is time series data, and the whole life cycle of time series data is divided into six stages: collection, caching, processing, storage, query analysis and visualization application.

In the scene of car networking in Chang ‘an, devices and sensors such as Tbox and THU are used to collect car networking data (such as EFI data of engines, rotational speed, vehicle speed, etc.). After the data goes to the cloud, the message is ingested based on the private TCP protocol of Changan Automobile and the gateway written based on Netty. After entering the TU-GW application of K8s through CLB, the message is parsed. The message is parsed and sent to the message queue, and the time sequence messages required by different services are distributed to different storage terminals. After being written into the storage engine, Changan Automobile TSP business system and APP will query the time series data according to the latest data and historical vehicle conditions.

At present, the architecture of large-scale time series data management of Changan Automobile is divided into 1.0 and 2.0 versions. In version 1.0, the time series storage engine mainly used for car condition scenes is HBase, which realizes the writing of historical car condition data. Due to the huge volume of historical data, 25 HBase data nodes need to write cluster data. At the same time, version 1.0 of HBase cluster is configured with 10 Region Server. Because the storage architecture of HBase cannot independently support the latest vehicle condition query, the latest vehicle condition query needs to be implemented based on Redis.

The architecture of version 2.0 adopts the architecture of writing data into IoTDB through Kafka. The test scenario adopts a single machine with high IO, that is, a cluster configuration with large memory (about 384 g) and full SSD (about 50 T). After the good data schema design of IoTDB, one IoTDB machine replaced the writing function of 25 HBase nodes, and successfully maintained high stability for more than one year. At present, the test data volume is about 1.5 million pieces of data per second, and one time series data involves 16-17 measuring points on average, which stably supports the overall writing data volume of about ten thousand levels.

At the same time, the powerful data query capability of IoTDB enables the version 2.0 based on IoTDB to realize a set of scenarios in which the engine supports the query of bicycle time range (real-time query) and the query of the newest point of bicycle full time series (latest vehicle condition query), and can stably achieve the millisecond return of the results of the two types of queries.

With the improvement of writing and querying ability, the time series data management architecture based on IoTDB greatly reduces the complexity of the original HBase+Redis scheme, and increases the volume of devices and data accessible to IoTDB. At present, Changan Automobile uses about 570,000 IoTDB stand-alone access devices, and the custody time series is about 150 million.

5. Time series model and query application

At present, in the design of the four-level node timing model of the root node, service name, equipment layer and sensor layer of IoTDB, the equipment layer of Changan Automobile adopts the TUID of TBOX, that is, the equipment ID as the third-level node; In the sensor/measuring point layer, except for the signal name, the CANID is connected with an underline as the fourth level node. The reason for the design of this storage structure is that it is convenient to use the select last * from root.CANID command supported by IoTDB to query all the data values of bicycles under a certain CANID, so that IoTDB can simultaneously realize the main query scenario of Changan Automobile: the combined query of real-time vehicle condition and historical vehicle condition.

With the support of this data structure, Changan Automobile uses the following statements to run common query scenarios:

1. Query the time range of a single device

The SQL statement is as follows:

Select canid _ signal from root. can _ condition. tuid where time > t1 and time6. Future prospect.

Since 2020, Changan Automobile and IoTDB have cooperated stably for 2 years, and a stable and effective intelligent networked vehicle remote monitoring system has been built. Because the intelligent networked automobile business is in the initial stage of explosion, it is foreseeable that the number and density of vehicles collected in the vehicle networking scene will greatly expand in the future, and the amount of time series data will also increase exponentially. Big source data is still the main problem that the vehicle networking system will face.

` In the future, Changan Automobile and IoTDB will work together to further expand the volume of vehicle data access, enrich the related applications and functions of IoTDB in vehicle networking scenarios, and realize effective management of more vehicle networking business time series data.

(promotion)

Braille publishing house received CCTV audio-visual copyright.

　　A few days ago, Ma Runsheng, assistant to the president of China International Television Corporation and president of China Radio, Film and Television Program Trading Center, and Zhang Wei, president of China Braille Publishing House signed contracts on behalf of both parties, and China Braille Publishing House obtained 60 kinds of copyright of barrier-free programs authorized by CCTV; 100 kinds of excellent programs for browsing and deep processing of professional websites for the disabled; There are 100 kinds of finished audio-visual products of film and television programs, with a total of 6,000 works (episodes) and 200,000 minutes.

　　This is the first time that CCTV has authorized the excellent film and television resources for many years to special industries on a large scale and systematically. China Braille Publishing House will deeply process the authorized programs without barriers, and distribute the finished programs and the audio-visual products through special and effective channels such as the Internet and local disabled persons’ federations, so that the disabled can enjoy CCTV’s well-known audio-visual resources as soon as possible.

　　(Huang Sheng)


Be 100% good! ＂My Extraordinary Parents＂ Kara Wai was affirmed.


Special feature of 1905 film network　After 60 years old, I didn’t have a rest, but I was busier. My Extraordinary Parents and Look at a BridgeMe through the darknessI love you! "Save the suspect"… … One new play after another.


Among them, "My Extraordinary Parents" was first released, and Kara Wai played a blind mother in the film. In order to play the role well, she "experienced" it from the inside out.


After the film was released, many viewers praised Kara Wai’s good acting skills. The affirmation of the best actress in the three Hong Kong film awards has already proved Kara Wai’s strength. She has never slackened her efforts in every performance and always strives for perfection.In Kara Wai’s words, every role should be 100% dedicated, and every shot should be 100% good.



01.Play the blind, and make great efforts for both spirit and form.


My Extraordinary Parents, adapted from the director’s true story, tells the family story of a pair of blind parents raising their daughter with normal vision.


Kara Wai, who plays the blind mother, has made great efforts in shaping her appearance and manner.She keeps training to control her eyes, imitating the state that the eyes of the blind keep turning and their eyes are distracted. "I have practiced it, and I can go out and enter. Every time I shoot, I adjust my eyes to certain positions and spend a lot of hard work."



In addition to shaping the appearance, Kara Wai also asked an ophthalmologist to take a pair of copper contact lenses, put them on and carefully ponder the mentality of the blind. "It’s really the same as a blind person. When all the light is completely blocked, you lose your way, and then you can really play a blind person. What is her heart and what kind of dark fear she faces?"


Kara Wai said that every time she knows a role in advance, she will do all her homework well, and when she starts work, she will soon be able to enter the role.



In the movie, the emotional entanglement between mother and daughter also made Kara Wai feel the same way. Kara Wai has replaced many experiences and understanding of the relationship between her and her mother in the past. "When my daughter is rebellious, she can’t get along with her point of view, but they can’t be separated from each other and need each other, but this need sometimes hurts each other. This is the way I used when I played with Qianyu."



"I have to be 100% good in every shot until now." Kara Wai said that the principle of her acting is that if she gets paid, she must do it well, and at the same time, she must respect the actor’s profession. "Every shot should stay forever. If I don’t shoot a shot well, I will miss it for a long time."



02."I’m so strong, I’m afraid Jiang Lang will run out of talent."


Kara Wai, who was born as an action actor, got up from the bottom and struggled all the way to this day in fighting with blood and injuries again and again, and achieved many achievements.


Kara Wai had a hard childhood. At the age of three or four, he peddled with his family in the streets of Wan Chai. As a teenager, he worked as a dancer in a nightclub. Later, he was dug up by the director and made the film Legend of the Condor Heroes as Mu Nianci. Since then, he has entered the film industry and changed his life.


Kara Wai has the personality of a wild child since she was a child, and she has the experience of dancing on the stage, so she was not timid when she made a movie for the first time.


The first scene of The Legend of the Condor Heroes was a contest to get married, and Kara Wai was taught to play opera directly on the spot. The confidence and elan of the newborn calf that was not afraid of tigers made the hero alexander fu mistakenly think that she had been filming for several years.



The movie dream was planted when Kara Wai was young. Like many children at that time, she often sneaked into the cinema to watch movies. The first movie she saw was yes, and her awe of movies and performances was born from then on.


Mu Nianci became famous in World War I, and Kara Wai successfully entered Shaw Pictures as a martial arts actor and studied under the direction. At the age of 22, she won the Best Actress Award in the first Hong Kong Film Awards. In her view, the first Golden Awards trophy was won entirely by fighting and relying on life and health.



"You ask me how many injuries, I don’t know. You ask me where I am not injured, and I can tell you that I am not. " When Shaw made a martial arts film, Kara Wai was viciously punched in the stomach by an opposite actor for more than 40 times. At that time, she had only one thought: "If you didn’t kill me, I would have a chance in the future. I want to cover you up in this scene today. "


Therefore, when Kara Wai won the prize for the first time, all she thought about was bitterness. "I play every day and get hurt every day. Even if I have surgery, the thread has not been removed a few days later, and I still have to shoot with my stomach covered." Even if she became more and more popular later, she would feel a little unbalanced when she saw other actors shooting fashion shows, beautiful and comfortable.


But Kara Wai is an indomitable person by nature. "When you are chosen for the role of martial arts and you need it again, you can only do it best. I must stand in the first place to survive. "



Kara Wai’s perseverance, also have been crushed. At the end of 1990s, with the decline of martial arts films and the change of movie environment from generation to generation, Kara Wai’s career fell into a trough, and she suffered from depression. In the worst case, she even swallowed sleeping pills and gave up herself. Fortunately, with the help of relatives and friends, she rallied.


In 2010, 50-year-old Kara Wai won the Best Actress Award at the Hong Kong Film Awards for the second time for "Devil". I have experienced all kinds of twists and turns from being a popular female star to being neglected and making a comeback. The arrival of this award is of great significance to her and has the deepest feelings.


Kara Wai recalled, "I hold this award, and I said that nothing can be changed, because it was because I suffered a lot of grievances, paid a lot of efforts, and had a chance given to me by many friends and God, so this award is more important than anything."



Later, Kara Wai won the Golden Award for Best Actress for the third time. She plays an elderly person who lives alone with Alzheimer’s disease. Kara Wai’s mother died because of this disease. She wants to use this film to commemorate her mother and make more people pay attention to Alzheimer’s disease.


Kara Wai cares about the disadvantaged groups, and this time he took on My Extraordinary Parents, hoping to use this positive film to appeal to the public to respect and care for the visually impaired.



Kara Wai doesn’t act in action movies now, and she will also worry about her bad state and poor performance when acting in literary plays. "The more I am so strong, the less I can perform, the less I let others know, the more I force myself, and I really can’t perform. The director is sorry to give me two minutes, and I will walk away again. The whole mood will be adjusted. It is psychological pressure to throw away all the feeling of smoking and come back."


Nowadays, Kara Wai likes to cooperate with new directors, trying her best to support young talents, and even working with them at a reduced salary. This is the case with My Extraordinary Parents, and the sincerity of the director made her determined to take over.



Every time acting, Kara Wai wants to find a new way to perform. "How can I act when I have met several bottlenecks?"? I can’t find it. I can only play it in the old way, so I can’t open it. The new directors have new ideas, and they can bring me many new things and new ways of interpretation. "


"I am afraid that people will see that I am exhausted in Jiang Lang." Kara Wai didn’t stop, she was still fighting and rushing.


Another wave of end-of-year coupons came to the local area, focusing on these consumption areas in the fourth quarter.

　　Near the end of the year, another batch of coupons began to be distributed intensively.

　　Recently, Sichuan, Jiangxi, Beijing, Sanya, Wuhan and other provinces and cities have successively issued coupons for cultural tourism or automobile appliances, and some provinces and cities have also announced that they will issue coupons in the near future. Not only that, these places have also introduced various policies and measures to boost and expand consumption.

　　Intensive distribution of consumer vouchers

　　On November 27th, Sanya issued the third tax-free coupons for tourists from all over the country, with a maximum reduction of 1,600 yuan. Previously, the Sanya Municipal Bureau of Commerce issued "Several Measures to Further Promote Consumption Growth in Sanya in 2023", demanding that tax-free promotion be vigorously carried out, tax-free coupons be issued, and tax-free business entities be encouraged and guided to hold tax-free promotion activities.

　　In recent days, Sichuan, Guangdong, Jiangxi, Wuhan, Beijing and other provinces and cities have also intensively issued coupons or announced that they will issue coupons in the near future. These coupons are basically based on cultural tourism consumption and automobile household appliances consumption.

　　For example, Guangdong will issue 100 million yuan coupons for cultural tours to residents and tourists who spend money in Guangdong, provide 1 million discount tickets for scenic spots, distribute 1 million special discount air tickets and launch 10,000 discount rooms.

　　On December 1st, Jiangxi will begin to issue the "2023 Jiangxi Provincial Automobile Voucher" with a total amount of 19.53 million yuan to the whole province. There are 6,510 car coupons for this activity, and the amount of each car coupon is set to 3,000 yuan regardless of the car purchase price.

　　The 2023 "Shu Li An Yi, Warm Winter and Enjoy" coupons issued by Sichuan Province are mainly aimed at supermarkets, home appliances, restaurants and other key areas of consumption. Among them, the provincial finance contributed 100 million yuan, the supporting funds of each issuing platform are expected to exceed 300 million yuan, the merchants discounted and promoted 100 million yuan, and the expected profit-making amount exceeded 500 million yuan.

　　Zeng Junlin, deputy director of the Sichuan Provincial Bureau of Statistics, said that the consumer market in Sichuan performed well in the first three quarters, but there was still a gap from normal growth. The total retail sales of social consumer goods only increased by 4.4% on average in two years, which was 5.9 percentage points lower than the same period in 2019. Traditional retail sales are under pressure, the retail sales of convenience stores only increased by 1.5%, and the retail sales of supermarkets decreased by 0.1%.

　　Chang Yang, chief analyst of Zhongtai Securities Research Institute, told CBN that from the CPI data of 31 provinces recently released by the National Bureau of Statistics, we can observe the differentiation among different provinces. Judging from the data of chain growth rate, 17 of the 31 provinces saw a decline in chain growth rate in October, reflecting that demand in most provinces was weak compared with supply in the short term.

　　With the continuous efforts of this year’s consumption promotion policy and the National Day Golden Week, the consumption data in October this year showed an accelerated recovery. In October, the total retail sales of consumer goods nationwide reached 4,333.3 billion yuan, up 7.6% year-on-year, and the growth rate was 2.1 percentage points faster than that in September. After deducting the price factor, the total retail sales of social consumer goods actually increased by 8.4%, 2.3 percentage points faster than that in September.

　　However, Fu Jiaqi, a statistician of the Department of Trade and Economics of the National Bureau of Statistics, interpreted the data of the consumer market in October and thought that although the consumer market maintained a good recovery momentum, we should also see that the acceleration of the growth rate of total retail sales of social consumer goods in October was due to the low base in the same period of last year. At present, the consumption power and willingness of residents still need to be improved, the recovery of residential goods is lagging behind, and the operating pressure of some commercial enterprises is still relatively high.

　　Sprint in the fourth quarter to achieve the annual goal

　　In fact, in comparison, the recovery of consumption, especially contact consumption, is more obvious and has become the main driving force for economic growth. Especially from November to December last year, under the serious influence of the epidemic, consumption declined, so there was a low cardinal utility. Stimulating consumption in the last two months of this year will be of great help to promote economic growth and accomplish this year’s goals and tasks.

　　The data shows that in November 2022, the total retail sales of social consumer goods was 3,861.5 billion yuan, down 5.9% year-on-year. Among them, the retail sales of consumer goods other than automobiles reached 3,482.8 billion yuan, down 6.1%. In December 2022, the total retail sales of social consumer goods was 4,054.2 billion yuan, down 1.8% year-on-year. Among them, the retail sales of consumer goods other than automobiles reached 3,543.8 billion yuan, down 2.6%.

　　On October 27th, Sichuan Province held a teleconference on the province’s economic operation scheduling in the fourth quarter of 2023. In response to the sprint in the last two months of this year, the meeting requested that in terms of scheduling strategy, precise policies should be made by industry, agriculture should make up the gap as much as possible and tie the country, industry should overcome difficulties and consolidate the momentum of recovery, and service industry should carry a heavier burden and gallop.

　　Since the beginning of this year, due to the influence of multiple factors, the downward pressure on some local economies has continued to increase. Therefore, it is necessary to make up for the shortcomings and make the consumption and service industries "pick a heavier list" and "Dora Run" become a breakthrough for local shocks in the fourth quarter.

　　On November 24th, the website of Guangdong Provincial Government published "Several Measures to Further Boost and Expand Consumption in Guangdong Province", which put forward 27 specific measures from eight aspects, including stabilizing automobile consumption, promoting household appliances and electronic products consumption, stabilizing housing consumption, and promoting the expansion and upgrading of service consumption.

　　Before the meeting in Sichuan Province mentioned above, in order to further take effective measures to stimulate market vitality, sprint this year’s objectives and tasks, promote a good start next year, and promote the sustained improvement of economic operation, the General Office of the Sichuan Provincial Government issued a number of policies and measures on further stimulating market vitality and promoting the sustained improvement of current economic operation.

　　Among them, the boosting policy includes not only issuing consumer vouchers, but also implementing measures such as financial discount on consumer credit, with real money to support it. During the period from September 1, 2023 to March 31, 2024, the banking institutions issued one-year and above off-line consumer loans to residents in the province, which were used for four categories of goods, such as automobile purchase, electronic products, housing decoration, household appliances, furniture and durable goods. The financial department gave the residents a one-year one-time discount at an annualized interest rate of 1.5% with a single amount not exceeding 3,000 yuan.

　　In addition, Sichuan has also implemented measures such as subsidies for new flight routes in winter, incentives for travel agencies to attract customers into Sichuan, and reduction of tolls for small passenger cars from outside Sichuan. During the "Winter Tour in Sichuan Consumption Season", travel agencies that organize tourism teams to come to Sichuan will be rewarded according to each person’s trip to 30 yuan; In addition to the existing ETC preferential policies, a 50% discount will be given to the tolls of small passenger cars (Class I passenger cars) with license plates outside the province.

Aiming at the forefront of international science and technology and the major needs of the country, the Ministry of Education strengthens organized scientific research

　　"In the next decade, the scientific and technological work in colleges and universities will achieve another leap, and it is far from enough to answer the questions of the times of marching into the forefront of world science and technology, serving the country’s major strategic needs, and serving the high-quality development of the economy and society." On July 19th, at the press conference of the Ministry of Education introducing the reform and development effect of science and technology innovation in colleges and universities in the past ten years, Lei Chaozi, director of the Department of Science, Technology and Information Technology of the Ministry of Education, pointed out that the Ministry of Education will focus on strengthening organized scientific research, accelerate the building of national strategic scientific and technological strength, and provide strong support for the construction of important talent centers and innovative highlands in the world and the self-reliance of high-level science and technology.

　　Since the 18th National Congress of the Communist Party of China, as an important part of the national innovation system, colleges and universities have effectively supported the development of education, science and technology, economy and society in China. One of the highlights is organized scientific research.

　　Lei Chaozi explained that from the guiding ideology, organized scientific research is to aim at the international scientific and technological frontier and the major needs of the country, and to change what I wanted and could do in the past into what the country needs me to do. Around the "four orientations", organize major tasks, build a large platform according to the needs of the tasks, build a large team based on the large platform, and continue to tackle key problems for a long time. Its fundamental purpose is to achieve continuous major original breakthroughs in basic research and lay a solid foundation for building a strong country in science and technology; Technological innovation should truly meet the national strategic needs, make up shortcomings and forge long boards, enhance the core competitiveness of China’s industrial development, and support high-quality economic and social development.

　　For example, Rong Zeng, vice president of Tsinghua University, said that the Institute of Nuclear Energy and New Energy Technology of the school has always adhered to the scientific research organization model of "tackling key problems by big teams and crossing disciplines". After more than 30 years of hard work by three generations and hundreds of scientists, the world’s first intrinsically safe modular high-temperature gas-cooled reactor nuclear power plant jointly developed and built with China Huaneng and China National Nuclear Corporation was connected to the grid for power generation in December last year, which realized the leap from "running with" to "leading" in this field. Professor Tsinghua University Lu Xinchun’s team has been deeply involved in the field of chemical mechanical polishing technology for a long time. The company whose scientific research results have been transformed is the only high-end semiconductor equipment manufacturer in China that can provide 12-inch CMP commercial models, breaking the monopoly of international giants in this field for decades.

　　After the outbreak of COVID-19, Tsinghua University quickly organized and set up 18 scientific research and anti-epidemic commandos, and achieved many achievements. China’s first anti-Covid-19 antibody drug successfully developed by Professor Zhang Linqi’s team has been approved by National Medical Products Administration for emergency listing; The mobile laboratory for nucleic acid detection developed by Academician Cheng Jing can complete the sample detection within 45 minutes; Academician Rao Zihe discovered and reconstructed the complete form of Covid-19 transcription and replication machine for the first time in the world, which provided key support for developing broad-spectrum anti-Covid-19 drugs.

　　Sun Qingwei, vice president of Peking University, also said that the school has made great efforts to guide scholars to focus on practical problems facing economic and social development and national security. A number of teams aim at national needs to promote innovative research in the fields of graphene material preparation, photoelectric device devices, gallium nitride semiconductors, high-end medical equipment, biological breeding of wheat and fruits and vegetables, and digital economy. Academician Mei Hong’s team invented the "subversive" black box interoperability technology in the key core technologies of big data fusion; Academician Gao Wen’s team has established an international standard for China’s independent intellectual property rights in the field of ultra-high definition video coding and decoding. "Strengthening organized scientific research is the top priority in Peking University’s scientific and technological innovation work." Sun Qingwei said.

　　Lei Chaozi pointed out that in the next step, organized scientific research in colleges and universities should make efforts to achieve major breakthroughs in original innovation, to overcome the basic theory and key technologies of the "stuck neck" problem, to serve the national regional innovation and development strategy, and to enhance the core competitiveness of industrial development, so as to realize the transformation and upgrading of scientific and technological work in colleges and universities. (Science and Technology Daily, Beijing, July 19 th, by our reporter Zhang Galen)

A series of press conferences on ＂Starting the 14th Five-Year Plan and Striving for a New Journey＂ (6)： The quality of ecological environment has been continuously improved.

Press conference video

　　At 15: 30 on May 27th, 2021, the Information Office of the provincial government held the sixth news conference of "Starting the 14th Five-Year Plan and Striving for a New Journey": the ecological environment quality continued to improve.

　　Release content:This paper introduces the work of ecological environment protection in our province during the Thirteenth Five-Year Plan period, as well as the relevant objectives, tasks and specific measures to promote the construction of ecological civilization and deepen the battle against pollution in the Tenth Five-Year Plan period, and answers questions from reporters.

　　Published by:

　　Party Secretary and Director of the Department of Ecology and Environment of Wang Zhongtian Province

　　First-class inspector of Shiwei Provincial Department of Ecology and Environment

　　Member of the Party Group and Deputy Director of the Department of Ecology and Environment of Jiaofei Province

　　Member of the Party Group and Deputy Director of the Department of Ecology and Environment of Wang Chaojun Province

　　Li Ying, Second Inspector of Provincial Development and Reform Commission

　　Chief Engineer, Housing and Urban-Rural Development Department of Li Xuejun Province

　　Ren Xinjun, Chief Animal Pastor, Provincial Department of Agriculture and Rural Affairs

　　Moderator:

　　Zheng Zhihong, Second Inspector of Propaganda Department of Provincial Party Committee

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　　Zheng Zhihong, Second Inspector of Propaganda Department of Provincial Party Committee

　　Ladies and gentlemen, friends from the media,

　　Hello everyone! Welcome to the press conference held by the Information Office of Henan Provincial People’s Government.

　　General Secretary of the Supreme Leader pointed out that it is necessary to firmly establish the concept of Lucid waters and lush mountains are invaluable assets, coordinate the management of landscape, forest, field, lake and grass system, optimize the spatial development pattern of national territory, and do a good job in ecological environment protection. Henan Province is an important area for ecological protection and management of the Yellow River Basin, and the work of ecological environment protection is related to people’s livelihood and well-being. Today, we are here to hold the sixth press conference in the series of "Starting the 14th Five-Year Plan and Striving for a New Journey", focusing on the ecological environment protection work in our province during the 13th Five-Year Plan period, as well as the objectives, tasks and specific measures to promote the construction of ecological civilization and deepen the battle against pollution during the 14th Five-Year Plan period, and answering questions from media friends.

　　First of all, let me introduce the publisher who attended today’s conference:

　　Mr. Wang Zhongtian, Party Secretary and Director of the Provincial Department of Ecology and Environment,

　　Mr. Shi Wei, the first-class inspector of the Provincial Department of Ecology and Environment,

　　Mr. Jiao Fei, member of the Party Group and Deputy Director of the Provincial Department of Ecology and Environment,

　　Mr. Wang Chaojun, Party Member and Deputy Director of the Provincial Department of Ecology and Environment,

　　Mr. Ally Li, Second Inspector of Provincial Development and Reform Commission,

　　Mr. Li Xuejun, Chief Engineer of the Provincial Department of Housing and Urban-Rural Development,

　　Mr. Ren Xinjun, Chief Animal Pastor of Provincial Department of Agriculture and Rural Affairs,

　　First of all, please let Mr. Wang Zhongtian introduce the relevant information.

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　　Wang Zhongtian, Party Secretary and Director of the Provincial Department of Ecology and Environment

　　Friends of the press:

　　Good afternoon everyone! I am very glad to have the opportunity to introduce the situation of ecological civilization construction, ecological environment protection and pollution prevention and control in the province. First of all, on behalf of the Provincial Department of Ecology and Environment, thank you for your long-term concern, support, participation and help in the province’s ecological environment protection work.

　　Since the 18th National Congress of the Communist Party of China, the CPC Central Committee with the Supreme Leader as the core has attached great importance to the construction of ecological civilization and the protection of ecological environment, treating the construction of ecological civilization as a major political issue related to the Party’s mission and purpose and a major social issue related to people’s livelihood, and continuously promoting historic, turning and overall changes in the protection of ecological environment. The "Thirteenth Five-Year Plan" period is not only a crucial five-year period for building a well-off society in an all-round way, but also a crucial five-year period for comprehensively promoting ecological environmental protection and deepening the battle against pollution. In the past five years, under the correct guidance of the supreme leader’s ecological civilization thought, and under the strong leadership of the provincial party committee and the provincial government, the whole province has made concerted efforts to overcome difficulties, comprehensively strengthened ecological environmental protection, and made every effort to fight the battle against pollution. The task of the three-year action plan for the battle against pollution deployed by the CPC Central Committee ended successfully, and the nine binding indicators determined in the national "Thirteenth Five-Year Plan" were fully completed. As determined by the Ministry of Ecology and Environment, by 2020, the air environment quality and water environment quality of the whole province will be comprehensive. In the past five years, the environmental quality of the province has improved significantly, the development of ecological environmental protection has continued to improve, and the people’s sense of acquisition, happiness and security of a good ecological environment has generally increased.

　　In the past five years, we have built a comprehensive pollution prevention and control system. A leading group for the tough battle against pollution was set up with the secretary of the provincial party committee and the governor as the "double leader", and a series of documents such as "Implementation Opinions on Strengthening Ecological Environmental Protection in an All-round Way and Resolutely Fighting the Tough Battle against Pollution" were issued, 35 local regulations and 22 local standards for ecological environmental protection were formulated, and a series of systems such as the list of responsibilities of the provincial party committee and the provincial government and relevant departments for ecological environmental protection, green dispatching, ecological compensation and ranking interviews were established. The secretary of the provincial party committee and the governor openly interviewed cities and counties with lower air quality rankings.

　　In the past five years, we have resolutely won the blue sky defense war. Pay close attention to structural optimization and adjustment, and eliminate 6 million kilowatts of backward coal-fired generator sets and 162,000 diesel trucks of Grade III and below; In-depth development of "three scattered" governance, the completion of "double substitution" of more than 5.4 million households, the seizure of 35,300 coal-fired scattered burning facilities and equipment, and the rectification and ban of "scattered pollution" enterprises of 120,000; Deepen the governance of industrial enterprises, take the lead in completing the ultra-low emission transformation of thermal power industry in China, and complete 31,000 governance projects such as non-electric industries and industrial furnaces. Compared with 2015, the five factors of PM10, PM2.5, SO2, CO and NO2 in the province decreased by 34.6%, 32.5%, 73.5%, 50% and 21.1% respectively, and the days of heavy pollution decreased by 60%. There are more and more blue sky and less smog.

　　In the past five years, we have solidly promoted the defense of clear water. Strengthening the management of water resources, water ecology and water environment, pollution reduction and ecological expansion, the proportion of surface water whose national control section is better than Class III water quality increased by 25.5 percentage points, and 144 black and odorous water bodies in the built-up areas of provincial cities were all eliminated, of which 141 were recognized as "long-term clean-up" by the state. The former stinking ditch has become a landscape belt with clear water and green banks. The water quality of surface drinking water sources in the province reaches the standard rate of 100%, and the Danjiangkou reservoir area and the Henan section of the main canal of the Middle Route of South-to-North Water Transfer Project continue to maintain the water quality above Class II, ensuring the drinking water safety of the people in our province and along the line.

　　In the past five years, we have carried out the defense of pure land in depth. Through detailed investigation of soil pollution status of agricultural land, strict classification and control of agricultural land, strict access management of construction land, and strengthening investigation and rectification of heavy metal enterprises, the safe utilization rate of polluted cultivated land and the safe utilization rate of construction land in the province have all achieved 100%.

　　Although remarkable achievements have been made in ecological environmental protection in our province, the structural pollution problem has not fundamentally changed, ecological environmental risks still exist, environmental violations occur from time to time, and the task of ecological environmental protection and pollution prevention and control is still arduous.

　　During the "14th Five-Year Plan" period, it is a crucial period for our province to start a new journey of building a socialist modern Henan in an all-round way and write a more brilliant chapter of the Central Plains in the new era. We will thoroughly implement the supreme leader’s thought of ecological civilization, adhere to the direction of the CPC Central Committee and the State Council’s decision-making arrangements and the work arrangements of the provincial party committee and the provincial government, focus on precise pollution control, scientific pollution control and pollution control according to law, fight a tough battle for pollution prevention and control, continuously improve environmental quality, continuously reduce pollutant emissions and effectively prevent and control pollution. Focus on the following aspects.

　　The first is to continuously improve the atmospheric environment. Taking the synergistic effect of pollution reduction and carbon reduction as the overall starting point, taking the coordinated control of fine particles and ozone as the main line, focusing on the coordinated emission reduction of nitrogen oxides and volatile organic compounds, strengthening the coordinated control of multiple pollutants, implementing joint prevention and control in key areas, focusing on reducing PM2.5 and ozone, and continuing to do a good job in "seven controls": dust control, coal control, vehicle control, emission control, oil control, burning control and fireworks control, basically eliminating heavily polluted weather and continuously improving the environment.

　　The second is to steadily improve the water environment. The key point is to increase good water and ecological water, and control poor water and black and smelly water. We will continue to push forward the attack on water ecological environment protection, continue to do a good job in landmark battles such as water source protection, black and odorous water body treatment, river and lake ecological environment treatment and restoration, further promote the "three sources" treatment of industrial sources, domestic sources and agricultural sources, fill the shortcomings of urban sewage collection and treatment facilities, vigorously promote the construction of beautiful rivers and lakes, orderly promote the remediation of black and odorous water bodies in the built-up areas of county towns, stably eliminate inferior V water bodies, effectively ensure the safety of people’s drinking water, and ensure that the middle route project of South-to-North Water Transfer Project "one channel is clean

　　The third is to ensure the quality of soil environment. We will continue to push forward the attack on soil pollution prevention and control, focus on key areas, key industries, key pollutants and key risk factors, work together to promote the environmental control of soil, rural areas and groundwater, actively carry out the construction of a pioneering area for comprehensive prevention and control of soil pollution, strengthen the source control and safe use of soil pollution in agricultural land, promote the risk control and management of construction land, ensure the safe use of agricultural land and construction land, and let the people "eat with peace of mind and live with peace of mind".

　　The fourth is to improve the rural living environment. We will continue to carry out the comprehensive improvement of rural human settlements, intensify the treatment of domestic sewage in rural areas, strengthen the prevention and control of planting and breeding pollution, investigate and rectify the black and odorous water bodies in rural areas, build beautiful countryside, and keep the birds singing and the flowers fragrant and the rural scenery for the people.

　　The fifth is to maintain the safety of ecological environment. Firmly establish the bottom line awareness and risk awareness, keep a close eye on key areas such as "one waste, one warehouse and one product" (hazardous waste, tailings pond and chemicals), continuously carry out special rectification of hazardous waste, enhance the capacity of collection, disposal and utilization of hazardous waste, deepen the investigation and rectification of potential environmental risks in tailings pond, strengthen the comprehensive management of heavy metal pollution in key industries, strictly enforce the law and supervise the ecological environment, actively respond to sudden environmental incidents, prevent and resolve ecological environmental risks in time, and protect people’s physical and mental health.

　　Thank you!

　　Zheng zhihong

　　Thank you, Director Wang, for your detailed release! Next is the on-site questioning session. Welcome journalists and friends to ask questions about the relevant contents of this press conference. Please inform your news media before asking questions.

　　Xinhuanet reporter

　　The safety of drinking water quality has always been highly concerned by the masses. As the head of the middle route of South-to-North Water Diversion Project and the core water source area, what specific measures will be taken to implement the spirit of the important speech delivered by the Supreme Leader General Secretary at the symposium on promoting the high-quality development of the follow-up project of South-to-North Water Diversion Project and ensuring the "sustainable delivery of clear water from one canal to the north"? Thank you.

teacher

　　Shi Wei, first-class inspector of the Provincial Department of Ecology and Environment

　　Thank you for your question. The water surface area of Danjiangkou reservoir area, the water source of the Middle Route of South-to-North Water Transfer Project, is 1050 square kilometers, which is 506 square kilometers in our province, accounting for 48.2%. In 2015, the water source protection zone was demarcated in our province, with the first-class and second-class protection zones covering an area of about 300 square kilometers, and boundary demarcation and marking were completed, and boundary markers, warning signs, billboards, purse seines, no navigation signs and so on were set up. The catchment area covers 6 counties (cities) and 47 townships in Xichuan, Xixia, Neixiang, Dengzhou, Luanchuan and Lushi, three provincial cities in Nanyang, Luoyang and Sanmenxia, with a total drainage area of 7,815 square kilometers. There are five main rivers in storage. The total length of the main water conveyance canal is 1432 kilometers, including 731 kilometers in our province, passing through 8 provincial cities.

　　The key to the success or failure of South-to-North Water Transfer Project lies in water quality. As the head of the middle route project, the core water source area and the important water receiving area, our province has attached great importance to the pollution control and ecological environment protection and restoration along the water source protection area, catchment area and main water conveyance canal in Danjiangkou reservoir area since the water was put into use, resolutely shouldered the political responsibility of "delivering clean water from one canal to the north permanently", adopted a series of measures and done a lot of work to protect a reservoir of clear water and protect the water quality, and the water quality of Taocha water intake and the exit water from Henan Province continued to be kept at Class II and above standards.

　　On May 14th, General Secretary of the Supreme Leader hosted a symposium in Nanyang to promote the high-quality development of the follow-up project of South-to-North Water Transfer Project and delivered an important speech. The party group of our office organized serious study and studied and implemented the opinions for the first time. The next step is to take six measures or do a good job in six aspects:

　　First, cooperate with the development and reform departments to carefully evaluate the implementation of the 13th Five-Year Plan for water pollution prevention and soil and water conservation in Danjiangkou reservoir area and its upstream, carefully analyze the existing problems and deficiencies, speed up the preparation and implementation of the 14th Five-Year Plan, and plan to implement a number of engineering projects.

　　Second, continue to organize pollution control and ecological environment protection and restoration along the water source protection area, catchment area and water main canal in Danjiangkou reservoir area, and promote the standardized construction of protected areas.

　　Third, continue to organize and strengthen water quality monitoring, pollution source monitoring and supervision and law enforcement, and severely punish environmental violations.

　　Fourth, earnestly implement the "three lines and one order" ecological environment zoning control requirements, strictly control the environmental access of new projects, and strictly prohibit the launch of "two high" projects that do not meet the requirements.

　　Fifth, increase support and guidance services to Nanyang and other related places to promote green transformation and high-quality development.

　　Sixth, strengthen joint prevention and control, strengthen risk prevention, and ensure the water quality safety of the middle route project of South-to-North Water Transfer. Thank you!

　　Economic Daily reporter

　　Ozone pollution has always been the focus and difficulty of common people’s attention in summer. At present, it will enter June soon. What measures will Henan take to effectively block this pollution? Thank you.

burnt

　　Jiao Fei, member of the Party Group and Deputy Director of the Provincial Department of Ecology and Environment

　　Thank you for your question. First of all, let me introduce ozone and ozone pollution. Ozone is one of the main control factors in China’s atmospheric environmental quality standards, and its standard is based on the standard value of the second phase of WHO, with the maximum 8-hour average concentration of 160ug/m3. Under the conditions of high temperature and light in summer, a large number of volatile organic compounds (VOCs) emitted from production and life react with nitrogen oxides (NOx) in the atmosphere, resulting in ozone pollution. Ozone is corrosive, and excessive concentration will do harm to human respiratory tract, immune system and skin. The maximum number of days when ozone exceeds the standard in summer in our province exceeds 20%, and ozone pollution has become an important factor affecting the ambient air quality in summer and autumn in our province. In the summer of 2020, our province launched the attack on the prevention and control of ozone pollution. From June to September, the number of excellent days in the province was 91, an increase of 30 days over the same period of last year, and the effect was obvious.

　　Second, introduce the overall consideration of ozone control this year. As volatile organic compounds (VOCs) are important precursors of ozone (O3), strengthening the comprehensive treatment of VOCs is an important way to control ozone pollution and improve ambient air quality, and it is also an important task to fight a tough battle for pollution prevention and control during the Tenth Five-Year Plan period. The overall consideration this year is to adhere to the pollution control route of "source prevention and control, process management and terminal treatment". Focus on key areas (urban built-up areas, 46 VOCs-related industrial parks and 36 VOCs-related enterprise clusters), key time periods (the O3 concentration indicated in the forecast is 155-170μ g/m3), key industries (petrochemical, chemical, industrial painting, packaging and printing, oil storage and sales) and key enterprises (involving the use and use of high-activity VOCs such as aromatic hydrocarbons, olefins, alkynes and aldehydes).

　　Third, introduce the main measures taken in this summer’s ozone pollution prevention and control campaign. The first is to carry out the "one city, one policy" stagnation point tracking research on the coordinated prevention and control of PM2.5 and O3 pollution. This year, the Ministry of Ecology and Environment of the People’s Republic of China launched the "one city, one policy" follow-up research work on coordinated prevention and control of PM2.5 and O3 pollution. Our province seized the opportunity and actively strived for it. Eighteen municipal cities in our province were included in the national and provincial follow-up research plans, and 13 were included in the national and provincial stations. The remaining five were stationed in the province. Its main task was to study the ozone generation mechanism, put forward policy suggestions and guide the in-depth control, which will comprehensively improve the level of coordinated prevention and control of PM2.5 and O3 pollution in our province. The second is to carry out VOCs governance compliance actions. The whole process of VOCs emission control and supervision will be carried out in key industries, enterprise clusters and parks in the province, as well as oil storage and transportation, and VOCs emission in key industries, key fields and key areas will be greatly reduced through measures such as source substitution, governance upgrading, waste gas collection and management, and LDAR. The third is to carry out accurate forecasting and scientific control of ozone pollution. Strengthen research and judgment, accurately forecast meteorological conditions prone to ozone generation, scientifically carry out ozone pollution control and joint prevention and control, and reduce VOCs emission and ozone generation in key periods by reasonably adjusting the production time of VOCs-related enterprises, outdoor VOCs-related construction work time, oil loading and unloading time of gas stations and various activities that are easy to discharge VOCs.

　　Volatile organic compounds (VOCs) come from all aspects of production and life, and ozone pollution concerns you, me and him. We propose that governments at all levels and relevant departments take active actions to organize and implement VOCs governance and ozone control; VOCs-related enterprises (units) actively fulfill the social responsibility and main responsibility of air pollution prevention and control, comprehensively improve the level of governance, and conscientiously implement peak shifting production (construction) and control measures; Starting from their surroundings, the masses use environmentally-friendly architectural coatings, low organic solvent-based wood paints and adhesives, adopt clean energy, low oil smoke, low pollution and low energy consumption, do not burn straw and garbage, adhere to green travel, and refuel vehicles at night (from 20: 00 to 6: 00) to comprehensively reduce volatile organic compounds emissions and ozone generation.

　　Breathe together and struggle together. This summer, start from me and act together to protect the blue sky and health! thank you

　　Henan daily, top journalist

　　Our province is a populous province and a new industrial province, which is in an important period of accelerating new industrialization and urbanization, with high utilization intensity of construction land and high pollution risk. During the 14th Five-Year Plan period, how will our province fight the defense of pure land, and what measures will be taken to strictly manage the access to construction land, further ensure the safety of human settlements and ensure the people’s "peace of mind"? Thank you.

army

　　Wang Chaojun, member of the Party Group and Deputy Director of the Provincial Department of Ecology and Environment.

　　Thank you for your questions! Soil is the material basis of sustainable economic and social development, and the quality of soil environment is related to people’s health. During the "Thirteenth Five-Year Plan" period, our province actively promoted the pure land defense war, and the soil environmental risks in the province were effectively controlled, and the overall soil environmental quality remained stable. During the "14th Five-Year Plan" period, we will conscientiously implement the supreme leader’s thought of ecological civilization, fight the tough battle of soil pollution prevention and control, effectively control the environmental risks of agricultural land and construction land, and provide a good environmental guarantee for the construction of beautiful Henan. Mainly from three aspects to ensure the people’s "peace of mind":

　　(a) continue to carry out the investigation of contaminated sites. In conjunction with the relevant departments, conduct a comprehensive investigation and investigation on the enterprises involved in soil pollution that have been shut down and relocated, and ensure that the contaminated sites are brought into supervision and should be managed. Priority control was given to 142 high-risk plots identified by enterprise land survey, 59 enterprises in production were included in key supervision units, and 83 closed and relocated enterprises were included in the list management of contaminated plots. Supervise 876 key soil pollution supervision units in the province to implement their legal obligations, complete a hidden danger investigation of soil and groundwater pollution in 2021, and rectify problems in time to prevent new soil pollution.

　　(2) Strict access management for soil utilization. In conjunction with natural resources, housing, urban and rural construction and other departments to implement joint supervision, focusing on the "three barriers." The first is to close the source of good planning. The preparation of national land spatial planning fully considers the environmental risks of polluted plots, reasonably determines the land use, and prevents the environmental risks of human settlements from the planning level. The second is strict land transfer. When purchasing, storing and transferring land, full consideration should be given to the suspected contaminated plots of construction land, the contaminated plots and the environmental risks of converting heavily polluted agricultural land into construction land. If the land fails to meet the requirements for the redevelopment and utilization of soil environment for construction land, land supply will not be granted. The third is to strictly observe the start of construction. When issuing planning permits and construction permits for construction projects, it is not allowed to start construction for suspected contaminated plots and contaminated plots that fail to carry out related activities such as soil risk control and remediation as required.

　　(3) Strengthen soil risk management and remediation. Rigid implementation of the construction land soil pollution risk control and restoration directory system, the province’s 637 suspected contaminated plots, 60 contaminated plots in accordance with the law to carry out pollution risk control and restoration activities, the plots listed in the directory shall not be used as residential, public management and public service land, and resolutely prevent the occurrence of "toxic plots." Thank you!

　　Henan Radio and Television Station, Elephant Journalist

　　Energy is not only an important basic industry related to the national economy and people’s livelihood, but also a key area of air pollutant emission control. What progress has our province made in promoting the adjustment of energy structure and helping to fight the battle against pollution? What work will be focused on during the 14 th Five-Year Plan period? Thank you.

welcome

　　Ally Li, Second Inspector of Provincial Development and Reform Commission.

　　Thanks to the attention and support of media friends. Since the "Thirteenth Five-Year Plan", the Provincial Development and Reform Commission has conscientiously studied and implemented the ecological civilization thought of the supreme leader, implemented the decision-making arrangements of the CPC Central Committee, the State Council, the provincial party committee and the provincial government on resolutely fighting the tough battle of pollution prevention and control, and promoted the adjustment of energy structure in our province to achieve remarkable results.

　　The first is to further promote the "double control" of energy consumption. Strictly reduce coal consumption and replace it, and pay close attention to energy conservation in key areas. During the "Thirteenth Five-Year Plan" period, the energy consumption per unit of GDP in our province decreased by about 25%, and the total coal consumption decreased by about 18%, exceeding the target tasks assigned by the state. Our province’s coal consumption reduction work, energy consumption intensity and total "double control" work have been repeatedly praised by the state. The second is to vigorously develop renewable energy. During the "Thirteenth Five-Year Plan" period, the province added 27.55 million kilowatts of renewable energy and 32.51 million kilowatts of renewable energy. In 2020, the power generation from renewable energy sources will reach 44.23 billion kWh, up 18.3% year-on-year. The third is to strengthen the guarantee of natural gas supply. The first phase of Puyang Wen23 gas storage and six LNG emergency reserve center projects in eastern Henan, southern Henan, northern Henan, central Henan, southwestern Henan and western Henan were completed. The total mileage of long-distance natural gas pipelines reached 6,546 kilometers, and the natural gas consumption reached 54.3 billion cubic meters during the "Thirteenth Five-Year Plan" period. The fourth is to optimize and upgrade coal-fired units. During the "Thirteenth Five-Year Plan" period, 6 million kilowatts of backward coal-fired power units were shut down, and the proportion of thermal power installed capacity in the province fell to 68%, and the proportion of large green coal-fired power units with 600,000 kilowatts and above increased to 65%. The average coal consumption of coal-fired power units in the province fell to 300 g/kWh, which was better than the national average. Fifth, efforts should be made to increase the introduction of clean energy. The project of "Green Power Entering Henan" was completed and put into operation. In 2020, the province absorbed 60.08 billion kWh of foreign power, up 9.54 percentage points year-on-year and 5.23 billion kWh.It accounts for 17.7% of the total electricity consumption. During the "Thirteenth Five-Year Plan" period, it absorbed 245 billion kWh of foreign power. Sixth, we will continue to implement clean heating. During the "Thirteenth Five-Year Plan" period, 5.48 million households have been "double-substituted", with a cumulative increase of 250 million square meters of central heating capacity and 68 million square meters of geothermal heating capacity. The northern region has achieved full coverage of clean heating.

　　In the next step, our Committee will take the goal of "peak carbon dioxide emissions, carbon neutral" as the guide, accelerate the preparation of the energy plan during the 14th Five-Year Plan, make great efforts to promote the "double control" of energy consumption and the reduction of coal consumption, continuously expand the scale of renewable energy construction, comprehensively improve the natural gas supply guarantee capacity, further optimize the coal-fired power structure, actively plan the third channel for foreign electricity to enter Henan, continuously promote the optimization and adjustment of the energy structure in the province, and enhance the energy supply guarantee capacity, so as to achieve the 14th Five-Year Plan. thank you

　　Zhengzhou Newspaper Group reporter

　　We have learned that the Provincial Housing and Construction Department, as the lead department of dust prevention and control in the province, has successively formulated and promulgated a series of policies, standards and norms, which have achieved good results. Please tell us about the relevant situation and the specific work measures for the next step. Thank you.

plum

　　Li Xuejun, chief engineer of the Provincial Department of Housing and Urban-Rural Development

　　Thank you for your question. In recent years, under the guidance of the supreme leader’s ecological civilization thought, and under the strong leadership of the provincial leading group office for pollution prevention and control, the Provincial Housing and Construction Department has successively issued relevant opinions on supporting the transformation and development of the construction industry, developing supporting policies for prefabricated buildings, and standards for dust pollution prevention and control, especially adopting differentiated control measures such as engineering classification, enterprise classification, and process exemption, and achieved better results. By the end of 2020, the main and secondary trunk roads in cities under provincial jurisdiction and counties (cities) directly under provincial administration will basically achieve full coverage of mechanized cleaning; The annual disposal capacity of construction waste resources exceeds 65 million tons; More than 23 million square meters of prefabricated building projects have been implemented, and green buildings account for more than 55%; The newly added green area in the urban built-up area of the province is 5981 hectares, with a green rate of 36.3%.

　　In the next step, we will further refine the measures, further promote and upgrade, and continue to do a good job in dust prevention and control. First, continue to do a good job in construction dust control. Strictly implement the "six hundred percent" dust control measures and the "three-member" management, video monitoring and other systems, focus on dust control of linear projects such as earthwork excavation, demolition site and municipal administration, do a good job in performance rating by industry, time period and pollution source, and focus on supervision of urban-rural fringe, night construction, muck removal and disposal. The second is to focus on improving the level of city appearance and environmental sanitation. Continue to carry out urban clean-up operations, strengthen regional environmental governance in back streets, old communities, villages in the city, and solve problems such as littering and sewage dumping; Investigate and rectify the surrounding environmental sanitation problems such as garbage dumps (stations), public toilets and farmers’ markets, and eliminate hidden dangers such as virus and bacteria breeding and cross-contamination. The third is to further promote the construction of urban ecological gardens. We will focus on greening old urban areas and improving the quality of parks and green spaces, coordinate the implementation of small parks, street green spaces and ecological corridors, and accelerate the construction of urban three-dimensional greening. By 2021, cities and counties in the province will build more than 3,000 hectares of parks, add more than 430,000 square meters of roofs and vertical greening, and build (rebuild and upgrade) more than 500 kilometers of urban green corridors. Fourth, continue to deepen the treatment of urban catering oil fume pollution. Supervise and guide all localities to strengthen the daily inspection of the operation and emission of lampblack prevention facilities in catering service places, and the monthly inspection rate is not less than 20%; Increase the catering service units in large-scale catering service units or key areas,In particular, the frequency and density of repeated inspections of catering units, the monthly inspection rate is not less than 25%. Fifth, actively carry out the creation of green buildings. Vigorously develop prefabricated buildings and promote the intelligent upgrading of building parts and components. Study and establish the framework of green building policy, technology and implementation system, and issue technical guidelines and pricing basis for green building. Organize the formulation of the peak carbon dioxide emissions Action Plan for the construction industry, strictly implement the mandatory standards for energy efficiency of civil buildings, and promote the development of ultra-low, near-zero and zero-energy buildings. thank you

　　Hong kong business daily reporter

　　When talking about the prevention and control of air pollution in rural areas, everyone will think of straw burning ban. What is the effect of straw burning ban in the province during the 13th Five-Year Plan? What specific measures will be implemented during the 14 th Five-Year Plan period? Thank you.

let

　　Ren Xinjun, Chief Animal Pastor of Provincial Department of Agriculture and Rural Affairs

　　Thank you for your question. During the "Thirteenth Five-Year Plan" period, under the strong leadership of the provincial party committee and the provincial government, the whole province insisted on focusing on grasping, grasping normally and continuously, and the straw burning ban achieved remarkable results. In summer and autumn, the number of straw burning fire spots decreased from 66 in 2016 to 13 in 2020, with an overall decrease of 80%; Since the full-time ban on burning in 2019, all kinds of burning fires have declined for two consecutive years: by 32% and 18% respectively. The comprehensive utilization rate of straw in the province will increase from 86% in 2016 to over 90% in 2020. In the first four months of this year, all kinds of burning fires dropped by 19%, which strongly supported the prevention and control of air pollution in our province.

　　At the same time, we are soberly aware that the atmosphere of self-ban and active ban on burning has not yet been fully formed, and we must be mentally prepared for a protracted war. Therefore, we must adhere to successful practices, carry forward the style of continuous operations, and continue to work hard to ban burning accurately, scientifically and legally, so as to ensure new results in this year’s and the "Fourteenth Five-Year Plan" straw ban. Main measures:

　　First, earnestly perform their duties. Under the correct leadership of local Party committees and governments, agricultural and rural departments at all levels should actively play a leading role, refine their work measures, strengthen cooperation with public security, ecological environment, discipline inspection and supervision departments, and make concerted efforts to form a strong driving force according to their respective functions.

　　The second is to highlight rapid control. Strengthen grid control and uninterrupted inspection and patrol of key areas and blind spots; Use the "Blue Sky Guardian" monitoring system to strengthen the duty of the four-level monitoring platform; Focus on villages and towns, and constantly improve the ability of rapid response and disposal. Adhere to the organic combination of civil air defense technology and defense, so as to find the fire in time, dispatch and dispose it quickly, and eliminate the burning fire and hidden dangers in the bud.

　　The third is to strengthen the combination of punishment and education. Continue to carry out publicity and education in a way that the masses like, and strengthen the self-discipline of village rules and regulations. We will continue to implement effective measures such as job interviews, disciplinary actions, economic and administrative penalties, investigate and punish the igniters and those responsible for burning according to law, expose warnings, create a shock, create an atmosphere of "no burning", consolidate the situation of "no burning" and build a mechanism of "no burning".

　　The fourth is to promote comprehensive utilization. Make full use of the existing policies for comprehensive utilization of straw, create new support policies in combination with the actual situation, increase capital investment, strengthen the implementation of various comprehensive utilization projects and the popularization and application of new technologies, continuously support and expand market players, open up interest chains, improve industrial chains, and achieve win-win results for all parties. By returning livestock to the field through abdomen, we can optimize the utilization structure of straw, improve soil fertility, and promote the combination of agriculture and animal husbandry and green development. thank you

　　Zheng zhihong

　　That’s all for today’s on-site questioning session. If you have other concerns that need further understanding, you can contact the Provincial Department of Ecology and Environment for an in-depth interview after the conference.

　　Building ecological civilization is related to people’s well-being and the future of the nation. It needs the support and help of the media to build a national system of ecological environment governance and promote the formation of a working situation in which everyone cares, supports and participates in ecological environment protection. I hope that everyone will continue to pay attention to the development of environmental protection in our province, reflect the concerns of the masses, focus on the effectiveness of work, do a good job in news reporting from all directions and angles, and create a good public opinion atmosphere for comprehensively promoting the high-quality development of environmental protection during the 14 th Five-Year Plan period.

　　This concludes today’s press conference. Thank you, publishers, journalists and friends, goodbye!

618 accelerates the release of trade-in demand, and Suning’s one-stop trade-in is favored by the market.

The 618 War was in full swing, and consumers’ enthusiasm for "buying in buy buy" reached a climax in the middle of the year. Compared with previous years, this year’s 618 has more peace of mind and comfort for consumers.

The refrigerator of Ms. Li, a consumer in Nanjing, Jiangsu Province, has been used for some years, and sometimes the refrigeration is not complete. Because of her busy work and the trouble of finding someone to carry it, Ms. Li has never had time to replace it.

Taking advantage of this year’s 618, Ms. Li changed her refrigerator through Suning.cn’s trade-in service. According to Ms. Li’s past experience, it is often necessary to contact and coordinate different people to replace old appliances, and it will take many trips. The long waiting time for the replacement of old and new appliances will also affect the use. However, unlike the expected cumbersome process, it took Ms. Li less than a day to change the old refrigerator from the old one. By placing an online order for trade-in, the whole process can be done at once without leaving home, and there is no delay in use.

This is the convenience brought to Ms. Li by the service upgrade of Suning 618. Before 618 this year, Suning.cn completed the launch of one-stop trade-in, differential payment, cross-category trade-in and other special services. The one-stop trade-in service enjoyed by Ms. Li this time is the service upgrade made by Suning.cn in view of the pain points of consumers’ actual trade-in.

One-stop replacement service: solving the pain points and difficulties of consumers

After work on Friday night, Ms. Li bought a new refrigerator through Suning.cn APP at a price of 3,999 yuan. She chose the old-for-new purchase option and entered the old machine evaluation function page. She chose the opposite-to-door refrigerator model corresponding to the old refrigerator, discounted the old machine and added the old-for-new subsidy from Suning.cn. The system directly deducted 180 yuan. Ms. Li actually paid 3,819 yuan for the new machine and made an appointment for a one-stop replacement service at 4: 00 on Saturday afternoon. Suning after-sales staff brought the new refrigerator to the door and recovered her old one.

Like Ms. Li, consumers’ demand for trade-in is increasing. Especially with the coming of summer, ice-washed air-conditioning household appliances are also welcoming new trends. Because the replacement of household appliances often involves handling, disassembly and installation services, the convenience and professional operation of the old-for-new service also put forward higher requirements for service providers.

In this context, platforms have started to upgrade their services. Take Suning.cn as an example. First, in April this year, the latest version of the trade-in service was launched.

In April this year, Suning.cn launched the latest version of the trade-in service. At the same time, in May, it quickly upgraded its service functions and increased subsidies. The one-stop trade-in service for ice washing products has covered nearly 50 cities across the country, and the 3C one-stop trade-in service has covered nearly 200 cities.

Literally speaking, trade-in involves two simple steps, namely, "collecting the old ones" and "exchanging the new ones", but the actual operation includes many steps, such as door-to-door dismantling, old machines returning, recycling, new machine delivery, new machine installation, and price evaluation in the process. In the past, the old-for-new service enjoyed by consumers was mainly "two-step". After completing a series of links such as discounting old appliances and purchasing new products, the recycling of old appliances and the door-to-door installation of new appliances should also be divided into two steps, and different links should be served by different service personnel.

"One-stop" service has realized the integration of trade-in and trade-in. Users can complete the evaluation of old household appliances on Suning.cn APP, select the new products they want to buy, and directly see the exchange price after deducting subsidies and other benefits on the page. Discount old household appliances, pay the difference to buy a new one, drag old ones and send new services to your door at one time. In this way, the transaction link of home appliance replacement can save two steps, the performance link can save one step, and the conversion rate of replacement is expected to double. For consumers, the whole process of trade-in can be realized with one click and one stop online, which saves the time for many people to find someone and wait, saving time, worry and convenience.

Service specialization: trade-in is more standardized and transparent.

Behind the realization of one-stop service is the improvement of after-sales service ability and the overall upgrade of the system. At present, in China, Suning has integrated more than 700 localization partners and 7,270 certified engineers, covering 2,942 districts and counties, with a maximum of 50,000 jobs per day.

Liang Ming is a service engineer of Suning. He joined Suning with his father in 2015 and formally joined Suning in 2017. He is mainly responsible for the service of Nanjing jiqingmen area. The introduction of one-stop trade-in service has put forward higher requirements for Liang Ming’s service capacity. Need to be more considerate for consumers, but also have the ability to deal with various technical problems of disassembly.

Recently, Liang Ming received a trade-in order for Mr. Liang’s old refrigerator. Mr. Liang first found a master who repaired electrical appliances at the gate of the community. "The door-to-door fee is 300, no matter whether it is good or not, it is 300. It costs 500 yuan to replace the compressor, 700 yuan for materials, 200 yuan for freon, and the warranty is only three months. I have heard a lot about it, so I won’t repair it, just trade in the old one. "

Mr. Liang suffered a big loss in old electrical appliances. For convenience, he once looked for a small recycler to recycle the air conditioner near the community. "Call them to charge for recycling, and the air conditioner was dismantled in half. I temporarily said that I would increase the price. If I don’t add it, I will leave and I won’t put it back. What do you think I should do?" In addition to being slaughtered, Mr. Liang also met the elderly to carry home appliances. "When I lifted my waist, I flashed."

After that, Mr. Liang resolutely "only looked for regular units, who were punctual and hygienic." We all know that old household appliances can’t sell any money, but your service is good, it is definitely good, and people just want to save trouble. "

For the service of consumers, Liang Ming pays more attention to details besides constantly improving his professional skills. He often contacts customers half an hour in advance according to their agreed time. As the epidemic situation in COVID-19 is still repeated in various places, it has become the door-to-door service standard for Suning’s trade-in engineers to show their electronic number plates, wear shoe covers and wear masks. Every quarter, Suning will also organize Liang Ming, a service engineer, to conduct training on service specifications and professional skills.

From the upgrade of trade-in services to the standardized training of terminal services, it is not difficult to see that in the face of the new development opportunities in the trillion-dollar market and the trade-in service experience that needs to be improved urgently, Suning.cn has made full use of big data, intelligent marketing and standardized operation to build the platform capacity of trade-in services and support the large-scale development of trade-in services.

In the next step, Suning.cn will also support partners to build capacity and cooperate flexibly through ecological opening, improve business efficiency and user satisfaction, and jointly promote the value of building a green circular economy system. The value of trade-in is not only released to serve consumers, but also to serve the industrial chain, the ecological circle and the whole society.

The cost-effective choice for young people in small towns, how many points can Kaiyi Xuanjie Pro score？

Automobile Information Network July 15 th　In recent years, with the popularity of the term "young people in small towns", many new models focusing on young consumers in cities below the second tier have appeared in the market. Among them, Hyun Jie Pro, a brand-new SUV launched by Kaiyi Automobile, is one of them.

Not long ago, Xuanjie Pro officially opened the pre-sale. On the original power versions of 1.5L+MT and 1.5L+CVT, a new 1.5T+CVT power was added, and the configuration was also significantly improved. The pre-sale price range of 74,900-92,900 yuan can also cover more young people who have just entered the society. So what kind of performance will Hyun Jie Pro have when driving?　

1.5T power has a "small surprise"

Kaiyi Auto officially defines Hyun Jie Pro as "all-round small steel cannon", but in the actual driving process, it was found that this is actually a compact SUV that is more suitable for home use. However, the 1.5T engine derived from Chery Kunpeng’s power architecture has a lot to watch.

The power of Xuanjie Pro is actually the same as that of Chery Tiggo 5x. The maximum power of 1.5T engine reaches 115kW, the peak torque is 230N·m, and the thermal efficiency reaches 37.1%. In terms of transmission, it can simulate a 9-speed CVT gearbox, which is rare in competing products at the same level.

Judging from the actual test drive experience, due to the early intervention of the turbine, Xuanjie Pro did not appear in the initial stage, especially when driving at a speed below 80km/h, every acceleration will be very confident. However, with the continuous improvement of vehicle speed, the dynamic performance will be somewhat conservative, but there is still no problem in daily urban transportation.

The adjustment of CVT gearbox is still a comfortable home setting. If you want to accelerate occasionally or have more intuitive driving and control needs, you need to manually simulate the shift. However, even under such special requirements, the overall dynamic response of CVT gearbox, which emphasizes comfort and fuel economy, will still be somewhat lazy.

Xuanjie Pro has two driving modes: standard driving mode and sport driving mode. If you want to give full play to the performance of "small steel cannon", the sport mode will also bring "small surprises". In this mode, the engine will respond more quickly, and the gearbox will also squeeze more power by simulating downshift, which will make the high-speed overtaking more confident.

In terms of steering, Xuanjie Pro still adopts the adjustment of daily household, and radicalism and sportsmanship are not its main styles. When driving at medium and low speed, there is a certain virtual position in the steering wheel, but when the speed increases, the virtual position will decrease. At the same time, the tracking performance of the car body is good, and the rear of the car has a very obedient performance in the process of high-speed cornering and merging.

The chassis of Xuanjie Pro adopts the front McPherson and rear torsion beam dependent suspension system. When passing through the speed bump or bumpy road, the overall performance of the car body is relatively calm, which is mainly due to its more comfortable suspension adjustment, and the roll range of the vehicle is also controlled within a reasonable range when cornering, and the overall performance is still very worthy of recognition.　

The new design is more youthful.

Compared with the Hyun Jie models previously launched by Kaiyi Automobile, Hyun Jie Pro has adopted a younger design. Young, trendy and dynamic, it is the most intuitive feeling when you first see Xuanjie Pro, and the national aesthetic design language adopted by it also incorporates a variety of national trends and dynamic fashion elements.

Specifically, the large-size front air intake grille with upper and lower layers is decorated with lattice elements, which makes the front of the car look more scientific and technological. The headlights are connected with the first volume grille, which further widens the visual effect of the front of the car. At the same time, the addition of full LED light source also makes Hyun Jie Pro more sincere.

The lines on the side of the car body are relatively simple, and the suspended roof design is one of the highlights. In terms of body size, the "measurements" of Xuanjie Pro are 4400mm×1831mm×1653mm and the wheelbase is 2632mm respectively. The design of wide body and large space can meet the wider travel needs of young users.

Compared with the front face design full of design elements, the rear end of Hyun Jie Pro is simpler, and the style of penetrating taillights and bumpers is similar to that of Hyun Jie models, but the tail at the top of the car body is obviously enlarged, and the double-color rear surround and double exhaust highlight the overall sense of movement.

At the same time, combined with the popular color matching, Hyun Jie Pro also prepared five kinds of solid color bodies, such as ice crystal white, Hyun Dong Hong, Deep Sea Blue, Cold Sand Ash and Wind Qing Blue, and four kinds of two-color bodies, such as high-energy black+ice crystal white, high-energy black+Hyun Dong Hong, high-energy black+Deep Sea Blue and high-energy black+Wind Qing Blue, to meet the individual needs of users.

In terms of interior, the overall design of Xuanjie Pro is simple, but the materials selected have a good texture. Including the center console, door panel, steering wheel and other places that can be reached by human hands, all of them are wrapped in leather. Not only that, you can’t smell a trace of odor when you enter the car, which is an important plus.

In terms of intelligence that young users pay attention to, Xuanjie Pro is equipped with dual 10.25-inch LCD screens, which is in line with the current trend of big screens. Built-in Iflytek’s voice interactive system can start voice control by saying "Hello, Wings" while driving, and realize the operation of window lifting, music on demand, navigation and other functions.

In addition, the full-time mobile phone housekeeper supported by Xuanjie Pro has also unlocked a new mode of smart travel, and users can download the "Kaiyi Zhixing" APP to realize remote control of vehicles. The new car is also equipped with mobile phone wireless charging function, car Wi-Fi, mobile phone mapping screen projection and other functions, which can bring more convenient use experience.　

Summary:

In fact, for Xuanjie Pro, although the lack of brand power can not be rapidly improved in a short time, it is enough for most young consumers with real needs on the premise of meeting daily travel with rich configuration and good power performance.

According to the plan, Xuanjie Pro will be officially listed on July 20th. At that time, Kaiyi will come up with what kind of surprises to meet the needs of more young consumers, and the "steam talk" will continue to pay attention.

Editor: Feng Jingmiao
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