The average score of the "College Entrance Examination" in the United States dropped to the lowest level in 30 years, and over 40% of the candidates failed in all subjects.

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  On June 3, 2020, local time, an American high school student threw a hat to celebrate graduation. (data map)

  Overseas Network October 14th According to a report by CNN on the 13th, the average score of American high school graduates in the College Entrance Examination (ACT) dropped to the lowest level in 30 years, and more than 40% of the candidates failed all the examination subjects.

  The comprehensive average ACT score of the class of 2022 is 19.8 (with a total score of 36), which is lower than 20 for the first time since 1991. More importantly, more and more senior high school students have failed to reach any subject passing line set by ACT, indicating that their preparation for university courses has declined. According to the ACT report, among the 2022 graduates who took the ACT exam, 42% did not reach the passing line in any subject of English, reading, science and mathematics. In contrast, in 2021, 38% of candidates failed to reach the passing line of all subjects.

  CNN9 reported in September that the math and reading scores of 9-year-old children in the United States also plummeted from 2020 to 2022, falling to a level not seen in decades. Peggy Carr, Commissioner of the National Center for Education Statistics, said that it was not just the epidemic that interrupted students’ learning. Shooting on campus, violence, interruption of classes, shortage of teaching staff and absenteeism, cyber bullying, and students seeking mental health services are also increasing. These information may explain the serious decline of American students’ grades.

Ministry of Environmental Protection: Quantified accountability for party and government cadres in Beijing, Tianjin and Hebei and surrounding cities

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  Cctv newsOn September 1, the Ministry of Environmental Protection held a press conference on comprehensive air pollution control in Beijing, Tianjin and Hebei and surrounding areas in autumn and winter, and answered questions from reporters.

  Reporter: We have noticed that there are some digital regulations on local accountability in this attack. Can you tell us the details of "quantitative accountability"? Why are the problems such as ineffective rectification of "scattered pollution" enterprises, unrealistic work of replacing coal with electricity and gas, inadequate "zero clearing" of small coal-fired boilers, and non-implementation of peak-shifting production in key industries the key targets of quantitative accountability?

  Liu Changgen, Deputy Director of the State Environmental Protection Supervision Office:Quantitative accountability is an important document of compacting responsibility in 1+6. Since the beginning of this year, the prevention and control of air pollution in Beijing, Tianjin and Hebei and its surrounding areas has achieved good results, but the situation of atmospheric environmental quality is still very grim. In order to effectively transmit pressure and compact responsibility, according to the requirements of relevant documents of the central government and the spirit of the tenth meeting of the Beijing-Tianjin-Hebei and surrounding areas air pollution prevention and control cooperation group, the party group of the Ministry has studied and promulgated relevant provisions on quantitative accountability. The main considerations are as follows:

  The first is the sword hanging high. Is to urge everyone to really work. In the process of supervision and law enforcement, it is generally felt that party committees and governments at all levels have worked hard, done a lot of work and achieved remarkable results, but there are still some places, especially the grass-roots party committees and governments, whose environmental protection responsibilities are not implemented in place and their work is relatively passive. Therefore,The focus of quantitative accountability is "2+26" cities, county-level party committees and governments and their relevant departments, and municipal party committees and governments and their relevant departments.The focus of this document is accountability. At present, especially after autumn and winter, the situation of air pollution prevention and control in Beijing, Tianjin and Hebei and its surrounding areas is grim. The air control work is not allowed to cope, not allowed to slack off, and not allowed to do anything or act indiscriminately. As long as you don’t do anything, you may be held accountable as long as you don’t take responsibility. This is the sword hanging high, always maintaining a high-pressure situation, playing a deterrent role, and achieving the goal of eliminating the "middle obstruction" and getting through the "last mile".

  The second is to grasp the facts and grasp the details. The purpose of quantification is to grasp the work in detail and work hard in this respect. One point is deployment, and nine points is implementation. If the responsibility is not compacted, the work is not detailed, the work is the same as not doing it, the work is good and the work is bad, and the work is the same as the general work, our plan will only stay on the plan and the implementation will become a failure. Quantitative accountability is very specific. What questions, whom to ask, and what degree to ask, all have made clear requirements, that is, the localities are required to really grasp the facts, grasp the details, and grasp the results.

  There are two items to be included in quantitative accountability. One is "task-based" accountability, that is, strengthening the rectification of problems assigned by supervision and inspection. If the rectification is not in place, accountability should be carried out. The Ministry of Environmental Protection has stepped up supervision and inspection to point out problems, and local authorities have to draw inferences. If many problems are found after October, and five problems are found in a county, I’m sorry. I have to ask the responsibility of your deputy county magistrate, ask the county magistrate for 10 problems, and ask the county party secretary for 15 problems. The second is "result-based" accountability, which ranks according to the completion of the atmospheric environmental quality improvement target. Those who rank the last three and have not completed the target tasks should be held accountable, and the accountability target is the leading cadres at the prefecture level. In this way, the task of air pollution control is tied up with the responsibilities of city and county party committees and governments, and the responsibilities are suppressed layer by layer, prompting local governments to do detailed work.

  Just now, we talked about four tasks: first, the rectification of "scattered and polluted" enterprises is not effective; second, the work of replacing coal with electricity and gas is not practical; third, the "zero clearing" of small boilers is not in place; and fourth, the peak-shifting production of key industries is not implemented. These four problems are the prominent contradictions that affect the atmospheric environmental quality in Beijing, Tianjin and Hebei and its surrounding areas, and they are also found to be the most in the inspection process. It is necessary to solve these problems through supervision and the government’s efforts. At the same time, through these four tasks, other work will be promoted, thus promoting the comprehensive control of air pollution. The reason for this design is to grasp the key points, grasp the key points, and have clear boundaries. If you do it, you will do it. If you don’t do it, you won’t do it, and you won’t argue.

  The third is the long-term mechanism. The central government has made it clear that the party and government have the same responsibility and one post and two responsibilities for environmental protection. Through one-by-one inspection and repeated accountability, the responsibility will be suppressed, so that the mechanism of the party and government having the same responsibility and one post and two responsibilities for environmental protection will be formed, and a new working pattern for environmental protection will be established. Without pushing these tasks step by step, many of our requirements will only stay on the requirements.

  Regarding the specific content of the accountability regulations, the Minister spoke in detail at the meeting yesterday, and today’s press release has also come out, so I won’t repeat it here. I’d like to report to you on how to consider the next step.

  One is to tighten the screws. In accordance with the "five-step" arrangement of supervision, assignment, inspection, interview and special inspection, we should be interlocking and constantly tighten the screws, and we should be seriously accountable for those who do not implement, take responsibility or do things.

  The second is goal orientation. Through the implementation of strict, specific and quantitative accountability measures, all levels and departments will be urged to really move and work, to ensure that the strengthening plan can be implemented, to promote the improvement of air quality in Beijing, Tianjin and Hebei and surrounding areas, and to promote the supply-side structural reform in Beijing, Tianjin and Hebei and surrounding areas.

  The third is precise force. Don’t try to cover everything, but go to the problem. The content and matters of quantitative accountability are made clear, so as to better compact the responsibility and promote the work.

  The fourth is the linkage between the Ministry and the province. According to the needs of the work, special inspectors can be jointly carried out with provincial party committees and governments. In terms of quantitative accountability, it is clear that the accountability materials are handed over to local governments, and the local party committees and governments implement accountability. The accountability results must be approved by us and made public. When there is accountability, everyone can see it.

Free deposit in bike-sharing will become the general trend? Bicycle companies "ride a roller coaster" is a bit square.

       CCTV News:Since 2014, with the development of mobile Internet, colorful bike-sharing began to appear in the streets of the city. At their peak, there seemed to be too many bike-sharing of major brands, and many cities were besieged by bicycles. But recently, in Beijing, many commuters who often use cars found that bike-sharing was not so easy to find.

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       Recently, the reporter interviewed many places in Beijing and found that the number of bike-sharing on the road surface was significantly reduced than before. Take Beijing Caishikou subway station area as an example, the number of mobike put here every day has dropped from nearly 300 at the peak to more than 100 at present.

       Bicycle delivery personnel told reporters that through the company’s internal bicycle delivery system, the real-time number of each delivery point can be clearly known and deployed in a planned way as needed. At each bicycle drop-off point, there are also special personnel to maintain the condition of the car.

       In September 2017, the Beijing Municipal Transportation Commission issued a notice to implement the total amount control policy for shared bicycles. At present, there are 9 shared bicycle operating companies in Beijing, and the total number of operating vehicles has been controlled at around 1.91 million, down nearly 20% from the peak. It is understood that the number of bike-sharing in many parts of the country is decreasing. At the beginning of this year, Xiamen besieged bike-sharing with 300,000 bicycles, and 100,000 bicycles were idle, which caused a heated discussion. Therefore, Xiamen cracked down on bike-sharing, and the number of bicycles will be reduced by two-thirds. This year, bike-sharing will be reduced by a quarter, and the number of bicycles will be controlled to about 500,000. This month, Kunming reported the assessment of bike-sharing’s operation and management, and ofo sharing bicycles was at the bottom of the assessment for two consecutive months, and 10,000 bicycles will be recycled. In addition, the total amount of bike-sharing in Guangzhou and Shenzhen also showed a downward trend.

       It is difficult for users with frequent chaos in bike-sharing to find trust

       As a symbol of shared economy, bike-sharing has developed from a rush to disorderly development, to the total control that followed everywhere, and the problems in the development of bike-sharing cannot be avoided. For example, some people remove the seat, chain, tires, etc. of a bicycle, some people open the bicycle and find that it is a broken car, and some bicycles are left unattended in all kinds of unexpected places … …

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       Mr. Yang, a citizen, told the reporter that last year he and his two family members each used cool bicycles to travel and paid a total deposit of nearly 1,000 yuan. However, he has not received the deposit for nearly a year since he applied for a refund. Mr. Yang still keeps the cool cycling APP in his mobile phone. He said that he would open it from time to time and look at it, hoping to receive the good news of a refund one day. But in fact, this APP is already in a state of no networking.

       It is difficult for car companies to return to the "brand line"

       Crazy financing — — Building a car — — Release — — Refinancing — — Remanufactured cars — — Re-launch led to a serious surplus in bike-sharing, coupled with high cost and lagging maintenance, which led to a surprising number of bicycles becoming criticized urban garbage, and bike-sharing enterprises were finally unsustainable.

       In Zhaojialiu Village, Bazhou, Hebei Province, there are large areas of bike-sharing piled up in the fields on both sides of the village road, with a number of nearly 3,000 to 4,000. These bicycles are of different quality, and some of them look new. The manager in charge of buying and selling told reporters that these cars are all in bike-sharing, where the local bicycle factory has a backlog of inventory.

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       Facing the ever-expanding demand in bike-sharing, bicycle companies have also experienced the process from excitement to disappointment. A bicycle industry insider told reporters that when bike-sharing was booming, bicycle manufacturers all over the country rushed to join in the fun. Taking Tianjin as an example, bicycle companies such as Fujita and Flying Pigeon accepted a large number of production orders from bike-sharing.

       Fujita and Feige are large-scale bicycle manufacturers in Tianjin, and were once the main manufacturers in bike-sharing. The reporter wants to know about the manufacturing situation of these enterprises in bike-sharing, but he has never been able to contact the relevant person in charge.

       Bicycle industry insiders: "Now Tianjin has stopped, because they don’t place orders now, and now they are all integrating. Anyway, the injured ones will digest themselves. No way, he made some money in the early stage. bike-sharing has nothing to do, and it will have to close down after a long time. "

       Zhu Wei, deputy director of the Communication Law Research Center of China University of Political Science and Law, said: "There are many reasons why bicycle companies are having a hard time. One of the main reasons is that they can’t become incremental. Since the increment has not been expanded and compressed, it may not be able to keep up with capital investment. "

       Wangqingtuo Town, wuqing district, Tianjin is the largest bicycle production base in northern China. The data shows that in 2015, the total output of bicycles in this town reached 12 million, and 2.6 million bicycles were exported, accounting for more than 10% of the total annual output of bicycles in the country. The person in charge of the industry said that being a bike-sharing is risky and not profitable. At present, many small production enterprises have transformed to produce export-oriented and sports bicycles and electric vehicles.

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       Zhang Guisheng, director of Tianjin Wangqingtuo Bicycle Management Center, said: "For Wang Qingtuo, there should not be too many enterprises in bike-sharing in the future. Now it is to encourage enterprises to go out, explore the international market, take their own brand route, and transform into high-end bicycle products."

       [The first bankruptcy case in bike-sharing in China] bike-sharing recovery price: each 12 yuan.

       Xiaoming Bicycle has accumulated more than 4 million registered users and received a deposit of more than 800 million yuan. It completed two rounds of financing in one year. However, in just two years, Xiaoming Bicycle declared bankruptcy, which was the first bankruptcy case in bike-sharing.

       The debt is as high as more than 50 million yuan, including the deposit of 110 thousand users; The company’s assets are only 350,000 yuan in cash and bicycles scattered around. Recently, relevant announcements revealed that China Renewable Resources Development Co., Ltd. agreed to recycle Xiaoming bicycles according to each 12 yuan.

       After vigorous market expansion, the bike-sharing market has entered the "second half" of development since 2017. Now, many bike-sharing enterprises have closed down and shut down, and bike-sharing has changed from explosive growth to industry reshuffle.

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       How should the bike-sharing platform operate next? The reporter specially contacted the customer service in mobike and the media personnel in OFO sharing bicycles, but unfortunately, as of press time, there was no response from the two companies.

       How should we standardize the future development of bike-sharing and make the sharing economy really convenient for everyone’s travel?

       Zhu Wei, deputy director of the Communication Law Research Center of China University of Political Science and Law, said: "The next step of development is more about orderly competition, improving the protection of consumers’ rights and interests, and more about improving the user experience. The requirement for enterprises is not only that you build a car, but also the first step. You have to maintain the normal urban travel order, and you have to adjust the flow and direction of this vehicle. I think this series of problems is an important aspect of the bike-sharing platform’s main responsibility. "

       In August 2017, the Ministry of Transport and other 10 departments issued the "Guiding Opinions on Encouraging and Regulating the Development of Internet Rental Bicycles", requiring strict distinction between enterprises’ own funds and users’ deposit prepaid funds, and earmarking them. At the same time, the New Deal also clarified the standardization of parking spots and the promotion of electronic fences, and proposed that the bike-sharing platform should improve its online and offline service capabilities.

       Zhu Wei, deputy director of the Communication Law Research Center of China University of Political Science and Law, said: "The increase in the actual cost of vehicle damage is not only the result of competition, but also the damage caused by users’ poor use. Through the punishment of some untrustworthy behaviors, the quality of users will continue to improve, so your operating costs may be reduced in the future. "

       At present, OFO, mobike and other cities in China have started the credit deposit-free service. Experts said that the "Electronic Commerce Law" to be implemented in January next year clearly regulates the refund of deposits and strengthens the protection of consumers. We look forward to further clarification of the law, such as how to control the risks of deposits and how to implement special third-party supervision accounts.

       Zhu Wei, deputy director of the Communication Law Research Center of China University of Political Science and Law, said: "If you have to collect a deposit, you must supervise the flow of the deposit and the deposit. This dynamic supervision should be done well. At the same time, we must try to avoid the collection of such deposits, because now this kind of credit supervision can be completely achieved through big data and credit. "

       Experts believe that bike-sharing is a transportation service that occupies urban public resources and needs to be shared and governed by many parties. It is necessary to strengthen the timely recycling and reuse of bike-sharing to avoid resource waste and environmental pollution; City managers should take the initiative to intervene in management and services, enterprises should establish a sustainable profit model by optimizing services, and consumers should raise their awareness of public morality and not leave it lying around.

Strawberries are the dirtiest and coffee causes cancer? April rumor inventory

  deny/refute/spike a rumour

  Coffee contains carcinogens; Strawberries are the "dirtiest fruits and vegetables"; Mice become masters after eating genetically modified crops; Latin dance can lead to precocious puberty … … In the past month, there are still various rumors spread on the Internet. However, how can rumor fighters make rumors prevail, so let’s put these rumors in the sun of science now.

  Proverbs 1

  Starbucks coffee causes cancer.

  Recently, whether you drink coffee or not, you may have heard the so-called "Starbucks coffee causes cancer". The reason is that the judgment of the Los Angeles High Court in California shows that coffee contains acrylamide, a carcinogen, and all coffee products are required to be labeled as "carcinogenic".

  Truth: Hong Guangyu, a senior media person in the field of food safety, told the Science and Technology Daily reporter that the California court required the coffee sold in this state to be marked with a cancer warning on the grounds that acrylamide contained in coffee was classified as a "probable carcinogen" by the International Agency for Research on Cancer (IARC), and its complete meaning should be "limited evidence of carcinogenicity to humans and sufficient evidence of carcinogenicity to experimental animals". And the list of carcinogens listed by IARC refers to the strength of evidence, not to the "carcinogenic risk" of the substance.

  Hong Guangyu explained that acrylamide is naturally formed when coffee beans are roasted, which is the key to the formation of coffee flavor, and its content in coffee is extremely low. Acrylamide does have clear evidence that it causes cancer in animals, but there is no scientific evidence and no epidemiological investigation to prove that it causes cancer when it is ingested as an ingredient in food.

  Some experts have estimated that when the human body ingests 2.6 micrograms to 16 micrograms of acrylamide per kilogram of body weight every day, there will be a risk of cancer. According to this calculation, a coffee lover weighing 55 kilograms has a daily acrylamide tolerance of 143 micrograms. A cup of 160 ml black coffee has an average acrylamide content of 0.45 micrograms. He has to drink at least 318 cups of black coffee every day to be at risk of cancer. Therefore, ordinary people drink several cups of coffee every day, which is far from enough to reach the carcinogenic dose.

  "Therefore, the decision of the California court is only ‘ Do it according to the law ’ It does not mean that drinking coffee in reality will cause cancer. " Hong Guangyu said.

  Proverbs 2

  Strawberries are the "dirtiest fruits and vegetables"

  Recently, the Environmental Work Organization (EWG), an environmental protection agency in the United States, listed 12 kinds of the dirtiest and 15 kinds of the cleanest fruits and vegetables according to the detection results of pesticide residues in conventionally grown agricultural products by the United States Department of Agriculture. Among the dirtiest fruits and vegetables, Kusanagi ranked first for three consecutive years.

  Truth: Lan Wei, a researcher at Fuyang Normal University who has been engaged in high-quality and efficient cultivation techniques of strawberries for many years, told the Science and Technology Daily reporter that the statement that strawberries are "the dirtiest fruits and vegetables" is very one-sided. "First of all, we must clarify a concept that pesticide residues are not necessarily harmful. The fruits and vegetables we usually eat inevitably have some low-toxic and slightly toxic pesticide residues. In the process of strawberry cultivation in traditional greenhouse, some high-efficiency and low-toxicity biological pesticides with disease resistance and some easily decomposed pesticides are applied, but they are mainly applied in the early flowering stage and less in the fruit stage, and these pesticides are sprayed for 5-mdash; After 6 days, the decomposition is very fast, and the residual concentration in the fruit is very small. "

  Yun Wuxin, a doctor majoring in food engineering, also said that EWG is an environmental protection organization in the United States. They are neither a government management department nor an academic institution, but a private organization that advocates environmental protection. The criterion for determining the safety of fruits and vegetables is not whether pesticide residues are detected, nor how many kinds of pesticide residues are detected, but whether pesticide residues exceed the standard. The detection of pesticide residues does not mean that these foods are harmful to health. It is totally meaningless to talk about harm without the amount of pesticide residues and control standards.

  So, don’t be misled by the list of the dirtiest fruits and vegetables. In daily life, we need to remember that it is a necessary food safety habit to thoroughly clean and pay attention to hygiene, whether it is "using pesticides" or "not using pesticides".

  Proverbs 3

  Mice become masters after eating genetically modified crops.

  Recently, a video posted on the Internet showed that a giant rat weighing more than 30 kilograms appeared on a farm, and four medium-sized dogs struggled with it and finally subdued it. The text forwarded with the video said: "This happened in Heilongjiang 853 Farm. After investigation, it was because rats ate genetically modified soybeans and corn. It was terrible!"

  Truth: Jiang Tao, a senior engineer at the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, told the Science and Technology Daily reporter that the animals in the video are not mice. From the rough figure and fuzzy tail, they look like marmots, also known as woodchucks and ground squirrels. They are typical harmful animals in agriculture and animal husbandry. What can be confirmed is that this animal has nothing to do with "mice become sperm" and "genetically modified food". It is the conclusion of scientific research that eating genetically modified crops will not cause gene mutation.

  "The nature of the gene itself, such as in what species and how much it is expressed, is mainly determined by the DNA sequence of the non-coding region of the gene. This kind of information has ‘ Dialect ’ The characteristics are very different between different species and are a natural barrier for the expression of genetic information between species. " Jiang Tao explained that the genes of transgenic plants have plant properties. If they are not properly modified in vitro and transformed into genes with animal properties, even if they are deliberately transferred into animal cells, they will not have any activity. Therefore, there will be no genetic mutation when eating genetically modified crops.

  Proverbs 4

  Latin dance leads to precocious puberty

  Recently, an article entitled "9-year-old girl’s precocious puberty is ineffective." The doctor asked: Are you learning Latin dance? The article is widely spread on social media platforms. The article points out that there is a certain connection between Latin dance and children’s precocious puberty. The article explains that Latin dance is a kind of social dance, which requires strong interaction between dancers. Before and after puberty, the body is very sensitive to gender information. It may be that a healthy and ordinary action or look in the eyes of adults will start the switch in the brain during adolescence.

  Truth: Associate Professor Wu Xi, Department of Endocrinology, Huashan Hospital affiliated to Fudan University, pointed out that there may be observation deviation in the views in this article. At present, there is no scientific research in academic circles to prove that Latin dancing is directly related to precocious puberty, and it is impossible to explain that Latin dancing can lead to precocious puberty through one-sided inquiry or individual cases. At present, it has not been found in medicine that the "switch" of sexual development can be started through sight, hearing or smell, and there is no clear causal relationship between the two.

  According to the definition of "Guidelines for Diagnosis and Treatment of Precocious Puberty (Trial)" issued by the former Ministry of Health in 2010, precocious puberty means that boys have secondary sexual characteristics before the age of 9, and girls have secondary sexual characteristics before the age of 8 or menstrual cramps before the age of 10.

  Wu Xi pointed out that to prevent precocious puberty, parents should not only let their children develop good eating habits and not consume too much energy, but also be careful not to let their children eat contraceptives by mistake. If you find that your child has the above symptoms, you should go to a regular hospital in time.

  Our reporter Ma Aiping

Old residential areas "changed" to the hearts of residents

After the transformation, the happy neighborhood is becoming more and more beautiful. Photo by Chen Shuman

After the transformation, the happy neighborhood is becoming more and more beautiful. Photo by Chen Shuman

  In Chaozhou, many old communities in the city are quietly undergoing qualitative changes. The governance of old residential areas has always been the difficulty and pain point of urban grassroots governance. In order to solve this problem, Chaozhou seized many "key subjects" of streets, communities and communities, and adopted the model of "Party building leading+multi-governance" to carry out refined governance and promote the transformation of old communities.

  Before the renovation, the Xingfuli Community in Chunchenglou Community, Xixin Street, xiangqiao district was a "messy" fully open community in the impression of many Chaozhou residents. Xingfuli Community, which was founded in 1980s, has the "common problems" of most open old communities: outsiders coming in and out at will, lack of property management and poor environmental sanitation … …

  At that time, in order to do a good job in the ideological work of the masses, Xie Huanjie, secretary of the Party Working Committee of Xixin Street, and Wang Shoude, secretary of the Party branch of Chunchenglou Community, and other people went to the community several times to discuss the transformation ideas with the residents.

  "This renovation involves 4 buildings and benefits 96 households. In the process of transformation, we refresh the facade of the building and enhance the overall landscape of the community; Add leisure stone tables and chairs to provide residents with leisure facilities. " Xie Huanjie introduced.

  In mid-October this year, the renovation and upgrading of the dormitory of Taiping Street Colored Porcelain Group began, but the previous work was not smooth. The renovation team is being demolished, cleared and built, but the residents are watching the "excitement" and even misunderstanding the motivation of the renovation work.

  How to do a good job in the ideological work of residents in old residential areas is a major problem in rectification actions. Chen Ping, secretary of the Party Working Committee of Taiping Street, came up with such a way to let the cadres of the "two committees" in the community mobilize the old party member and the head of the building in the community to go to the household to publicize together, "walk the feet" and "grind the mouth", move with emotion and make sense of it; Find out the basic situation of residents, mobilize their relatives and friends to guide them, and do a good job of understanding residents’ thoughts.

  Recently, Xixin Sub-district Office and the Party branch of Xintaili Community have actively carried out centralized rectification on weekends and "micro-rectification" on several working days, and organized government officials, neighborhood committee clerks and party member in the community to solve the problems of garbage accumulation, occupation of public areas and sanitary corners one by one.

  In the eyes of Li Wenjun, a resident of Xintaili Community, the management has become more and more orderly since the establishment of the community party branch. The community not only added fire-fighting facilities, convenient charging and other equipment, but also planned a number of parking lines and parking spaces.

  Chen Wanlan, secretary of the Party branch of Xintaili Community, is 86 years old and an old party member with more than 60 years’ party experience. Under the leadership of Chen Wanlan, Xintaili Community explored a new model of community autonomy, and set up three volunteer service teams, namely, the elderly group, the women group and the fire brigade, to build a "golden triangle" for creating health volunteers.

  Nowadays, with the joint efforts of streets, communities, community party branches and residents, Xintaili community has changed its old look, and 170 households in the whole community have also expressed their willingness to actively participate in the community construction and create a beautiful home together.

  What is transformed is the environment, and what is condensed is the people’s heart. Talking about the changes in front of his house in the past two months in Dongxi Lane, Xixin Road, Xiangqiao District, Weng Shufang, a resident who has lived here for more than 40 years, is full of joy: garbage is often piled up in the garden in front of his house, and now it is much cleaner with the help of Xixin Street cadres!

  "Weng Shufang not only often takes the initiative to participate in rectification actions, but also enthusiastically sends tea to sanitation workers and volunteers, thanking the staff for their hard work." Xie Huanjie said that if a lane is cleaned by staff alone, it may not be finished in one day. But if the residents of the whole alley consciously participate, then this alley can be cleaned in ten minutes.

  Nanfang Daily reporter Ye Tong

  Intern Chen Shuman

Jin Yuzhi, CEO of Huawei BU: The mission of Gankun Zhijia is to bring intelligence to every car.

Not long ago, Huawei released a new brand of smart car solutions with smart driving as the core-Huawei Gankun. In beijing international automotive exhibition in 2024, Jin Yuzhi, CEO of Huawei’s smart car solution BU, accepted an exclusive interview with Liang Yi, general manager of Xinhuanet Automobile Industry Center, and gave a detailed introduction to the original intention of launching Gankun brand, as well as the advantages and intelligent direction of Huawei’s smart driving.

Interview the scene

Liang Yi, General Manager of Xinhuanet Automobile Industry Center:Hello, Mr. Jin. Huawei recently released the Gankun brand. What is the original intention of releasing this brand? What kind of innovative energy will Gankun brand bring?

Jin Yuzhi, CEO of Huawei Smart Car Solution BU:Thank you. Gankun is a brand released on April 24th. The second half of electrification is intelligentization, which first happened in the cockpit field. Therefore, Huawei launched the HarmonyOS cockpit brand around the cockpit, which has reached the "ceiling" of the industry through continuous development.

Jin Yuzhi, CEO of Huawei Smart Car Solution BU

According to our judgment, this year will be the first year of intelligent driving, and the China market will really start to adopt intelligent driving on a large scale. We Huawei are leading in the field of intelligent driving, and the English brand is very loud, ADS, Advanced Driving System, but we need a loud Chinese name, so we used this auto show to update its name, called "Gankun Intelligent Driving". The meaning of the word "Gan Kun" means that Gan is the sky, Kun is the Kun of Kunlun Mountain, and Kun means the mountain. Doing means that we should "pierce the sky upwards" in industrial development and lead the development of the industry; The meaning of Kun should be like a mountain, "down to the root" and build a hard-core technology. In this way, together with our partners, we can lead the intelligent second half forward, make China’s smart cars go better and let users get a safer intelligent driving experience.

Liang yi:In the first commercial year of intelligent driving scale in automobile industry, the brand of "Gankun" was launched at this node. What changes will Huawei bring in the field of intelligent driving? What is Huawei’s advantage in this field?

Jin Yuzhi:We have invested in intelligent driving for more than ten years, and ADS 2.0 released last year has created many firsts. The first one realizes the active safety of omni-directional anti-collision; The first released the function of parking service. In addition to the functions of auxiliary parking and automatic parking, it also provides a kinetic energy of parking service; The first one really realized that it did not rely on high-definition maps, and it could be opened all over the country. If there was a road, it could be opened, and the whole commercialization of intelligent driving was rolled out at once. In the past, when relying on high-definition maps, perhaps only five cities in China could realize intelligent driving, and not all roads in these five cities were covered. Huawei ADS 2.0 has realized that all countries can open and all roads can open, which has never happened in the past.

2024 Huawei Smart Car Solution Conference

Facing the future, our idea is to continue to be the first in the industry and continue to lead the industry forward. This is our original intention of intelligent driving and our mission. We will release ADS 3.0 this year, which will greatly improve the whole architecture. In the scene of parking, we will park faster than the old driver, and narrower parking spaces can be parked, which is higher than the old driver’s level. In terms of active safety, in addition to omni-directional anti-collision, many functions will be added to further enhance it. In the driving scene, our goal this year is to achieve the whole scene from parking space to parking space, that is, when navigating, we choose the parking space from one community to another, from the residential park or office park to the whole main road, which is the first in an industry. Therefore, the goal of the brand "Gankun" is to always lead the industry forward, to provide users with the best driving experience and the safest driving experience, as we have done in the past and will release it this year. This is the original intention of our brand.

"Gankun Zhijia" and "HarmonyOS Cockpit" have become two core brands of smart car solutions. About how to keep the advantage in the future, because Huawei is the only company in the whole industry that has all the training from chips, hardware, operating system, software and cloud, which is our unique advantage. Therefore, I believe that in the future, we will integrate the advantages of hardware, software and cloud to give full play to our strongest advantages. For example, if the chip is combined with the intelligent driving system, its delay will be lower, its response time will be faster, and it will be safer in the process of intelligent driving. In the industry, Huawei is unique in this advantage.

In the future, we hope to empower this advantage to the whole industry. Because the intelligence of the whole automobile is a great change in the next century in the automobile industry, we are open to cooperating with this industry, and can lead the century-long change of this industry together with our industry partners, so that the intelligence of the whole automobile can go faster and more steadily, and consumers can get a better experience.

Liang yi:This conference is your first appearance in front of the media as CEO of Huawei BU. Do you feel that your burden is heavier? Gankun brand will inject new energy into the intelligent track for China automobile. What’s your vision?

Jin Yuzhi:I am very excited to enter this industry. Because the intelligent transformation of China automobile is similar to the road we took in the communication industry more than 20 years ago.

Over the past 20 years, in the communication industry, from the initial "seven countries and eight systems" to various competitions, after the development of the past 20 years, we knew how to lead, and then we went all the way to lead the industry. We experienced the whole process. Today, China automobile and global automobile industry are in the process of becoming intelligent. We are very confident in this process, because we know that it is just the beginning. In the future, it will be like the 20-year history of our communication industry in the past, and it also needs a continuous lead and continuous progress. We are now at the leading starting point, and with a very focused and high-intensity investment, we are full of confidence in the future.

From the perspective of China’s automobile industry as a whole, I think we have a sense of mission. We have come with a mission, that is, to empower the key technologies we have accumulated in the ICT field over the past 30 years to the automobile industry and apply them to the intelligentization of automobiles, so as to bring intelligence to every automobile, help automobile enterprises to take the lead in the process of intelligent transformation, jointly revitalize China’s automobile industry, and help China’s automobiles to go global.

Heavy metals in well-known rice noodles exceed the standard? Don’t panic, experts have come to interpret it in detail.

Original scientific parenting editorial department Scientific family parenting is included in the topic # Novice parents absolutely need to bring baby cheats! 66

Do you still remember the event # Baby rice noodles with heavy metals exceeding the standard # years ago?

Source: Phoenix Network Video

At that time, many parents were frightened, and there were many messages expressing concern about rice noodles in the background!

Years later, Keke searched several baby rice noodles on the Internet and found that they were still on sale.

So, is this report authoritative and reliable?

Is this rice noodle still edible? How to eat?

If you don’t eat rice noodles, are there other complementary foods to choose from?

How to choose rice noodles?

Today, Keda is going to talk about baby rice noodles.

Image source: scientific family parenting original

one

Can baby rice noodles still be eaten? Listen to the expert’s answer!

The incident of excessive heavy metals in baby rice noodles is related to an investigation report issued by the House of Representatives of the United States Congress.

It is pointed out in the report that the contents of heavy metals such as arsenic, lead, cadmium and mercury in some well-known baby foods on the market reach dangerous levels, which will have adverse effects on the health of infants. In particular, it will damage the development of the brain and nervous system and is irreversible.

However, it was found that the heavy metal content in the investigation report reached a dangerous level, which was only a conclusion compared with drinking water. …

It should be known that in China’s standards, the limit of heavy metals in drinking water is only 0.01mg/L, which is 20 or even 30 times lower than other foods.

Therefore, this comparison is not rigorous! !

Moreover, the heavy metal content of the products mentioned in the report did not exceed the standards set by the US FDA.

Therefore, parents who have eaten this brand for their babies, don’t panic! !

Image source: scientific family parenting original

However, Keke wants to tell you that the ability of rice to absorb heavy metals (arsenic and cadmium) is indeed much stronger than that of ordinary crops!

Our environment (soil, groundwater, irrigation water) has been polluted by heavy metals to some extent, and it is impossible to make rice arsenic-free and cadmium-free. As long as crops grow in the soil, they will absorb these heavy metals.

So, how to eat rice food?

1. Increase the diversity of food and avoid eating only rice noodles.

When the baby starts to eat complementary food, he can choose rice flour fortified with iron grains, such as barley rice flour, oat rice flour and mixed grain rice flour. (The baby is not allergic to food).

In the daily diet, you can also add some coarse grains and miscellaneous beans to reduce the frequency of eating rice.

The department strongly recommends that the proportion of coarse grains should not exceed one-fifth of the staple food, because coarse grains are not easy to digest, and excessive intake may also affect the absorption of minerals.

Image source: scientific family parenting original

Generally, when the baby is 8-10 months old, parents can give the child rotten noodles, gruel, etc. according to the baby’s acceptance, instead of continuously feeding with a single rice noodle.

2. Limit the intake of high-risk foods (such as snacks containing rice ingredients).

Parents should give their children as little as possible snacks made of rice, such as puffs, rice cakes and molar biscuits.

Not only because of the problem of heavy metal content, most snacks like this contain various flavoring agents such as sugar and salt, which easily leads to children’s picky eaters.

3. Try to choose the National Bank version of rice noodles.

In fact, the National Bank Edition means that if foreign brands want to sell in China’s formal channels, they should readjust the ingredients in food until they meet the relevant standards of China.

Therefore, when buying rice noodles or other baby foods, it is best to buy them in formal channels and avoid buying them from private channels. Let the country check for you!

Image source: scientific family parenting original

Finally, Keke would like to emphasize: as long as the content of heavy metals in rice and other foods does not exceed the national standards, we can safely eat them! After all, it is meaningless to talk about toxicity without dose. Unless you eat rice and burst your stomach! (The same is true for baby rice noodles).

So how should parents scientifically choose rice noodles? Keda is coming to teach you how to choose!

2

Choose healthy rice noodles and keep in mind 3 hard standards!

1. See if it contains sugar, salt and essence.

When purchasing rice noodles, parents must carefully read the ingredient list of the products!

If the baby ingests rice flour containing sucrose, it will increase the risk of sweet taste and dental caries.

And containing salt or essence may cause children to be picky eaters. Because babies are very sensitive to taste, they will have a preference for sweet, salty and other tasty foods.

In the end, it is likely that the baby will refuse to accept tasteless food and interfere with breastfeeding and formula feeding.

Image source: scientific family parenting original

2. See if there are any ingredients that are allergic to your baby.

In order to increase the taste of rice noodles and the content of protein, some merchants will add:

Image source: scientific family parenting original

These ingredients are very likely to cause allergic reactions in babies, and they must be discharged after being sensitized, and then eaten routinely.

Secondly, the "nuts" in many compound fruit and vegetable rice noodles are also easy to cause allergies, such as walnuts.

Therefore, when parents buy rice noodles, they must learn to look at the ingredient list to make sure that the ingredients contained are not allergic to children before adding them to prevent anaphylactic shock after eating a lot!

3. See if the iron content is appropriate.

According to the national standard "GB10769-2010 Infant Cereal Supplementary Food", every 100 kilojoules of rice flour should contain 0.25 ~ 0.50 mg of iron.

Therefore, parents should pay attention to the nutrient composition table when choosing, and it is not recommended to buy rice noodles below the national standard range.

Note here that the iron content is not as high as possible, but should be judged according to the baby’s diet!

If the baby is already eating iron-containing food, then you can choose a rice noodle with medium iron content; If the baby only eats breast milk, then you can choose rice flour with high iron content to supplement it.

Image source: scientific family parenting original

If you insist on changing the baby’s rice noodles, it’s not impossible! Because without rice noodles, we have many other choices!

three

Baby’s first bite of complementary food, look for one principle!

For babies aged 4-6 months, breastfeeding can no longer meet the baby’s iron needs, and can only be ingested through complementary food.

Therefore, the baby’s first complementary food lies in "iron supplementation", not in taking some fixed food!

For Xiaobaobo, there are two best choices for iron supplementation:

1. Fortified iron rice noodles

Baby rice noodles on the market are fortified with iron, which can well meet the baby’s demand for iron. Moreover, the sensitization rate of rice is very low, which is not easy to cause baby allergy, and it is nutritious and convenient.

Therefore, baby fortified iron rice flour is the first choice for baby’s first complementary food.

However, Keke does not recommend parents to make rice noodles for their babies!

Because:

① The iron content of rice itself is very low, and it lacks iron-fortified rice flour, which has no supplementary significance for babies.

② Studies show that the arsenic content of homemade rice flour/brown rice flour is even higher than that of ordinary rice flour!

If you really don’t feel comfortable giving your baby rice noodles, then we have other ingredients to choose from:

2. Other ingredients rich in iron

(Note: Be sure to confirm that the baby is not allergic before feeding! )

Image source: scientific family parenting original

If the baby’s iron supplement is not in place, it is likely that the following two situations will occur:

Image source: scientific family parenting original

So how to make iron supplements? Ke has prepared a recipe for iron supplementation for everyone:

Tomato and beef millet porridge:

Ingredients: tomato, beef and millet.

Image source: scientific family parenting original

When feeding the above complementary foods, you must have an allergy test! ! (Be sure to operate under the guidance of the doctor when he thinks it is necessary, and don’t try it at will.)

Image source: scientific family parenting original

If the baby is allergic to these, or is picky about food, it is easier to feed with rice flour.

Finally, in the face of this rumor, Ke greatly wants to tell parents:

1. Baby rice flour is only a stage in the addition of complementary food, and it is usually enough to eat it for 2-4 months.

If the baby is strong enough to accept food and is not allergic, he can even stop using rice flour and switch to iron-supplemented food earlier.

This incident also tells everyone that as long as there is heavy metal pollution in the environment, food is inevitable.

As long as the content of heavy metals does not exceed the national standard, we can eat with confidence! After all, it is meaningless to talk about toxicity without dose.

Finally, increasing the diversity of children’s food is king!

It is better to eat any food in moderation. If the meals at home are always too concentrated on a certain food, then even if the heavy metals do not exceed the standard, other problems will occur!

A balanced and varied diet can make your baby healthier!

Image source: scientific family parenting original

Original title: "Heavy metals in well-known rice noodles exceed the standard? Don’t panic The expert explained it in detail! 》

Read the original text

A number of district-level party and government leaders in Shenzhen announced that they would welcome the first female secretary.

On the 3rd, the Organization Department of Guangdong Provincial Party Committee and the Organization Department of Shenzhen Municipal Committee released a number of public information about provincial cadres and Shenzhen cadres, involving the adjustment of the "top leaders" of the party and government in several administrative districts and new districts in Shenzhen. After the completion of this personnel appointment, most of the party and government officials in all districts (new districts) and departments in Shenzhen are in place, laying the foundation for the strong implementation of the decision-making arrangements made by the sixth party congress, and the construction of a modern, international and innovative city will usher in a new pattern.

The Sixth Party Congress and the Municipal "Two Sessions" held in Shenzhen in May this year completed the change of the "team" of the Shenzhen Municipal Party Committee and Municipal Government. Since then, all districts (new districts) and departments in Shenzhen have entered a period of intensive adjustment of leading cadres. After the Organization Department of Shenzhen Municipal Committee completed the public appointment of two batches of municipal management cadres, on August 3, the Organization Department of the Provincial Party Committee and the Organization Department of Shenzhen Municipal Committee released a batch of public information of provincial management cadres and municipal management cadres again. Among them, He Haitao, Du Ling, Jiang Jianjun, Huang Min and Feng Xianxue, who are provincial cadres, are to be appointed as party secretaries of Luohu District, Yantian District, Nanshan District, Baoan District and Longgang District respectively. The publicity of city management cadres involves 10 people, 9 of whom are proposed to be the heads of Shenzhen administrative region and new district and the directors of management committee.

The five people who are proposed to be the secretary of the district party Committee are all "60" and are between 50 and 52 years old. Among them, Du Ling will become the first female official to be the secretary of the administrative district party committee in the 35 years since Shenzhen was founded. Judging from their experience, the secretaries of district committees have rich experience in grassroots exercise. Except Huang Min, who is going to be the secretary of Baoan District Committee, who has been working in Shenzhen’s transportation department, others all have the experience of being the first and second in command in the district. He Haitao, Du Ling and Feng Xianxue were directly promoted from the heads of Luohu, Yantian and Longgang as district committees.

Among the nine leading cadres who are to be appointed as district heads and directors of management committees, officials with general office work experience are relatively concentrated. Among them, Lv Yuyin, director of the General Office of the Municipal Party Committee, and Xingping Nie, director of the General Office of the Municipal Government, are proposed to be the district heads of Longgang and Luohu District respectively. Xiao Yafei, who is to be the head of Futian District, worked in the general office of the municipal government for many years before becoming the "top leader" of the Municipal Development and Reform Commission and the Financial Office. Wu Delin, who is to be the head of Yantian District, also worked in the general office of the municipal government at the beginning of graduation. After working experience in the Municipal Development and Reform Commission, he returned to the municipal government as the deputy secretary-general.

At present, Shenzhen is in a critical period of implementing the "four comprehensive" strategic deployment and building a modern, international and innovative city. From building a national independent innovation demonstration zone, building an international scientific and technological innovation center, to promoting the modernization of government governance system and professional ability; From accelerating the construction of rail transit, improving the level of higher education and medical care, to controlling urban waterlogging and water pollution, the district-level government in Shenzhen is the main force and main battlefield. With the dust of the top leaders of the district-level party and government settled, the decisions and arrangements made by the Sixth Party Congress in Shenzhen will be strongly implemented, and the development of the SAR in the coming period will open a new chapter.

Guangming new area

The new functional area wants to set the benchmark of "Shenzhen quality"

As the first functional new district in Shenzhen, Guangming New District undertakes the mission of "experimental field" for Shenzhen’s scientific development. Therefore, at the beginning of its establishment, Guangming New District clearly defined the concept of adhering to quality guidance and adhering to the development of green ecological cycle, and put forward the goal of building a modern international green new city integrating "people, production and city".

In recent years, Guangming New District has paid attention to the balanced allocation of public resources in the industrial and urban development layout, and ensured the city’s green production, green life and green operation through the practice of green innovation, thus achieving rapid and high-level economic and social development in its jurisdiction. The economic growth rate of Guangming New District ranks first in all districts (new districts) of the city for seven consecutive years, and the output value of strategic emerging industries represented by new generation information technology and new materials accounts for over 60% of the total industrial output value above designated size.

After years of development, Guangming New District has entered the stage of intensive cultivation from land reclamation. Can we continue to maintain high-quality and high-speed economic growth? Can we continue to explore the green road of "people, production and city" and accumulate experience? These are all new propositions faced by the leadership of Guangming New District.

Zhang Hengchun, secretary of the Party Working Committee of Guangming New District, is the second helm of the new district. He previously served as deputy secretary of the Party Working Committee and director of the management committee of Guangming New District. Zhang Hengchun, which has rich experience in the development and management of high-tech industries, has lived up to expectations, and Guangming New District is rapidly developing into an important growth pole of high-tech industries in Shenzhen.

Kuang Bing, who intends to be deputy secretary of the Party Working Committee and director of the management committee of Guangming New District, previously served as the director of the Municipal Market Supervision Bureau (Municipal Quality Management Bureau and Municipal Intellectual Property Office).

In 2015, the No.1 Document of Shenzhen Municipal Government focused on "Shenzhen Quality". Standing at the node where the new district is about to be established for eight years, it is expected that Zhang Hengchun and Kuang Bing, as partners, can make "bright quality" a sample of Shenzhen quality and realize green and sustainable development.

Longhua New District

The nine-year new leap of industrial region is worth looking forward to.

As an industrial area in Shenzhen, Longhua shoulders the historical mission of building a model area for accelerating transformation and upgrading, a demonstration area for the integration of special zones and a new city with a central axis of modernization and internationalization. In 2013, the enlarged meeting of the Party Working Committee of Longhua New District established the transformation and development strategy of the new district, and in 2014, the meeting of the Party Working Committee established "Ten Longhua" as the concrete embodiment of two districts and one city.

Yu Xinguo, the proposed secretary of the Party Working Committee of the New District, has served as the Deputy Secretary-General of Shenzhen Municipal Government and the post of deputy head and district head of Nanshan District since 2009, and has both macro-vision and grassroots governance experience. Longhua New District is adjacent to Nanshan District, and the innovative industrial belt that the former is building is inseparable from the strength of colleges in Nanshan District University Town and Leisure Avenue. At one time, Nanshan District was also located on the edge of the development of the original special zone, and then it rose by relying on high-tech industries. It is during Yu Xinguo’s term of office from 2012 to now that Nanshan District’s economy has accelerated and its scientific and technological innovation strength has increased day by day. Nanshan District has become the strongest economic region in Guangdong Province and the bridgehead of innovation in Shenzhen. There are many similarities between Longhua New District and Nanshan District in terms of area and growth process. Yu Xinguo, who took charge of Longhua from Nanshan, will undoubtedly bring many benefits and expectations to Longhua, which is in the stage of transformation, upgrading and climbing.

Chen Qing, who partnered with Yu Xinguo, once served as deputy secretary of the Fourth Municipal Committee of Zhaoqing, mayor, director of the Management Committee of Zhaoqing High-tech Zone and deputy head of Luohu District. He is also a multi-expert in social governance and industrial development. The upgrading of traditional industries in Luohu District is remarkable. Shuibei jewelry enjoys the reputation of "world jewelry looks at China, Chinese jewelry looks at Shenzhen, and Shenzhen jewelry looks at Luohu Shuibei", which has become a model for the gorgeous turn of traditional industries.

After three and a half years of governance, Longhua New District has made great progress in many fields, such as urban appearance, industrial adjustment, innovative resources gathering, and improvement of people’s livelihood and welfare, and achieved a "three-year big change". From this starting point, the partnership between Yu Xinguo and Chen Qing, the nine-year new leap of Longhua New District, is worth looking forward to.

Longgang District

"Doctor" partner is expected to lead the high-end development of Longgang

In the 22 years since the establishment of the district, Longgang, which has long played the role of "backward area", has shouted the slogan of "taking high-end lines to achieve overtaking in corners" in recent two years. With the rise of Shenzhen East International University Town and the appointment of two "doctor-level" officials, Longgang District has ushered in a key development opportunity in history.

According to the data, Feng Xianxue, who is to be appointed as the secretary of Longgang District Party Committee, is 50 years old, from Pizhou, Jiangsu Province, with a doctor of engineering and a senior engineer. He used to be the deputy director and member of the party group of Shenzhen Municipal Planning and Land Resources Committee. In July 2010, he served as deputy secretary of the Party Working Committee and director of the Management Committee of Pingshan New District. In July 2013, he served as deputy secretary of Longgang District Committee and district head of the district government.

Looking closely at Feng Xianxue’s resume, he began to work in Longgang as early as 1996, when he was the assistant to the director of Longgang Branch of the Municipal Bureau of Planning and Land Resources and the chief of the planning department. Until 2006, Feng Xianxue, who served as the director of Longgang Branch of the Municipal Bureau of Planning and Land Resources for five years, was transferred to work in the city. Being good at learning is a major feature of Feng Xianxue. According to the data, from April to August 1991, he studied British urban planning in the Department of Regional and Urban Planning of the University of Sheffield, England. From September 2000 to May 2005, I studied urban planning and design in college of architecture and urban planning, and received my doctorate.

Lv Yuyin, who is to be appointed as the head of Longgang District, was born in November 1970 in Nanyang, Henan Province, with a postgraduate degree and a doctorate. Lv Yuyin, who has been working in the general office of Shenzhen Municipal Committee for a long time, is an expert in economics. She was admitted to the Economics Department of Nankai University in 1989, studied for a master’s degree in 1993, studied for a doctoral degree in advance in 1995, and obtained a doctoral degree in 1998. Lv Yuyin is mainly devoted to the research in the fields of macroeconomics, regional economy, urban economy and real estate economy, and has participated in the compilation of academic works such as Urban Economics. His book "Economic Analysis of Urban Development" is considered to fill a blank field in urban economics research.

The secretary is a doctor of engineering, the district head is a doctor of economics, and the two new officials in Longgang District have given many expectations to the people in the area in the new era. Longgang District, which shouted the development goal of "high-end leading and innovation-driven" two years ago, is more emboldened in the face of a new journey.

pingshan new district

"International norm" helps "overtaking in corners"

For Pingshan New District, which undertakes the mission of "two districts and one pole", after years of development, it has three national-level "golden signboards", namely Shenzhen Pingshan National Bio-industrial Base, Pingshan National New Energy Automobile Industrial Base and Guangdong Shenzhen Export Processing Zone, initially forming an industrial pattern of strategic emerging industries, modern service industries, advantageous traditional industries and future industries.

Born as a result of reform, although it was established only six years ago, Pingshan New District has undertaken five national-level reform pilot tasks, including land management system reform, national community governance and service innovation pilot zone, national social work service demonstration zone, national smart city pilot zone and low-carbon ecological construction pilot zone, and six provincial-level reform pilot tasks, including administrative examination and approval system reform and "web weaving project".

As the region with the most developable land in Shenzhen, Pingshan has positioned itself in the goal of "Shenzhen High-end Manufacturing East New City". From January to May this year, Pingshan New District achieved a regional GDP of about 14.8 billion yuan, a year-on-year increase of 9.5%. From the perspective of key enterprises, the output value of six top 100 municipal enterprises in Pingshan New District accounted for 57.8% of the total industrial output value above designated size in May, which provided the cornerstone for the steady industrial growth.

Zhang Bei, who is proposed to be the secretary of the Party Working Committee of Pingshan New District, has made great progress in the four industries of finance, modern logistics, information services, science and technology and professional services in Qianhai during his work in Qianhai Administration, and he has obtained the qualification of taking the lead in opening up the financial industry and cross-border RMB business. Its open thinking and international vision will undoubtedly bring more international planning and implementation to Pingshan’s industrial development. And its experience in finance and service industry will also give wings to Pingshan’s "overtaking in corners".

Tao Yongxin, director and party secretary of China Council for the Promotion of International Trade, is proposed to be deputy secretary of the Party Working Committee and director of the Management Committee of Pingshan New District. As an "extroverted" talent, Tao Yongxin’s experience in foreign exchanges and economic and trade promotion will help Pingshan in attracting investment, industrial development and serving enterprises.

dapeng newzone

Bold reform aiming at world-class coastal tourist resorts

The appointment of the "top leaders" of the district-level party and government did not involve Dapeng New District, but after careful observation, it took only over three months for the secretary of the Party Working Committee and the director of the Management Committee of Dapeng New District to formally "build a team".

Dapeng New District, which shoulders the heavy responsibility of protecting and developing the "virgin land" in Shenzhen, was established at the end of December 2011. On September 11th, 2014, Wang Jingdong officially took over the post of Secretary of the Party Working Committee of Dapeng New District. Relevant information shows that Wang Jingdong was born in Yizheng, Jiangsu Province in 1962. He holds a postgraduate degree in the Party School of the Provincial Party Committee and is an economist. Previously, he was the director of the office of Shenzhen Organization Committee, and once served as the deputy director of the Organization Department of the Municipal Party Committee. He worked in the Organization Department of the Municipal Party Committee for "almost 10 years".

Wang Jingdong, who was evaluated as low-key and steady by the outside world, put forward the goal of demonstrating the national ecological civilization construction after taking office as the "top leader" of Dapeng New District. Soon, Dapeng New District compiled the "1+5" plan such as "Overall Plan of Ecological Civilization System Reform in Dapeng Peninsula (2014-2020)", and built a relatively systematic and perfect system of ecological civilization system. Wang Jingdong’s ruling philosophy is that in the absence of GDP pressure, the new district adheres to the direction of "marketization, rule of law and internationalization", closely combines the reality of Dapeng, boldly explores with open arms, and systematically plans the ecological civilization construction of Dapeng Peninsula through deepening reform.

Gao Shengyuan, who "teamed up" with Wang Jingdong, was officially appointed as the deputy secretary of the Party Working Committee and director of the Management Committee of Dapeng New District on April 30 this year. According to relevant information, Gao Shengyuan is 48 years old and a native of Yidu County, Hubei Province. His previous identity was the general manager of Shenye Group Co., Ltd., which can be described as "from business to official".

One is an economist, and the other is a general manager with a strong sense of marketization. They are leading Dapeng New District to boldly reform and stride forward towards the goal of "three islands and one area" (international tourist island, ecological island, life and health island and world-class coastal eco-tourism resort).

Yantian district

The dream of subway travel is expected to come true

Binhai Yantian is an ecological region and a tourist region in the east of Shenzhen. Under the guidance of the development concept of "new quality and new Yantian", Yantian District has embarked on a road of quality development with harmonious coexistence of economy and ecology through institutional and institutional innovation in recent years.

Du Ling, who is proposed to be the secretary of Yantian District Party Committee, is 50 years old. She used to be the director and party secretary of Liantang Sub-district Office and Cuizhu Sub-district Office in Luohu District, the deputy head of Futian District, the standing committee member and the executive deputy head of Yantian District. In April 2009, Du Ling was appointed as the head of Yantian District. If she successfully takes office this time, Du Ling will become the first female district party secretary in Shenzhen since the city was founded 35 years ago.

After six years in Yantian District, Du Ling has always insisted on introducing more carriers for the economic development of the jurisdiction. During the period, Yantian port trade grew steadily, and the pace of gold and jewelry industry transformation accelerated, which restricted Yantian’s innovation and development. The three-year transformation of the land behind Yantian Port started smoothly, and Yantian International Creative Port, which carries Yantian’s innovative and creative industries, operated smoothly. A number of well-known enterprises such as Chow Tai Fook and Huada Gene have developed and grown in Yantian.

Wu Delin, who is proposed to be the head of Yantian District, holds a postgraduate degree in business administration from Kobe University in Japan and is a doctor of business administration. Previously, he served as deputy director of the Municipal Development and Reform Bureau, deputy director of the Municipal Development and Reform Commission and deputy secretary general of the municipal government. In September 2013, he served as deputy secretary of the Party Working Committee and director of the Management Committee of Pingshan New District. Whether Wu Delin can give full play to his advantages in major project planning and realize Yantian people’s dream of traveling by subway as soon as possible is full of expectations.

In May this year, the Yantian District Committee and District Government of Shenzhen officially issued the Decision on Vigorously Developing the Bay Area Economy and Building the Frontier Position of the 21st Century Maritime Silk Road. The "Decision" proposes that Yantian District will build a new development pattern of "one port, one belt, one city". Du Ling and Wu Delin, as the "top leaders" of Yantian Party and government, bear the great mission of "quality Yantian" construction.

luohu district

"Wisdom Luohu" is expected to glow with new vitality

Luohu is one of the main financial districts and commercial center in Shenzhen. In the new era, Luohu is positioned as "one center and two bases", that is, to try to build an international consumption center first and build a service industry base and a corporate headquarters base in Shenzhen.

In 2012, He Haitao served as deputy secretary and district head of Luohu District Committee. During his tenure, Luohu’s innovative development has achieved remarkable results-the construction of an international consumer center is moving towards the "five-in-one" direction of standards, fashion, brand, integrity and internationalization; The Internet industry "goes hand in hand in four ways", forming a situation of agglomeration development, leading pilot, model innovation and scale breakthrough; The urban butterfly changes into the fast lane, and through the organic combination of developing modern industrial space, upgrading municipal functions, optimizing living environment, increasing ecological space and improving transportation system, a strong system supporting urban development functions is created; The level of government public service guarantee has been greatly improved, and the construction of a modern government governance system has achieved results. Informatization construction has given new vitality to "Wisdom Luohu".

He Haitao’s announcement that he intends to be the secretary of Luohu District Party Committee belongs to "local promotion", and his partner Xingping Nie intends to serve as the district head of Luohu District, and will participate in the future development of Luohu as a "newcomer". Xingping Nie, a 46-year-old native of Shicheng, Jiangxi Province, has been working in an enterprise since graduating from university. In 1996, Xingping Nie was admitted to work in the general office of the Shenzhen Municipal Government, and later obtained a postgraduate degree in finance from Fudan University.

This year, the Shenzhen government report put forward "promoting industrial upgrading with consumption upgrading", and its foothold is to build an international consumption center. In this process, Luohu will undertake the mission of taking the lead in exploring and summing up experience for Shenzhen as the pioneer and core area. Standing on such a foundation and a new starting point, Luohu also proposed that it will continue to promote the goals of first-class urban areas ruled by law, international consumption centers, urban renewal, well-off society, garden-style advanced urban areas and the construction of "smart Luohu".

Whether the new combination of the "top leaders" of the party and government can rejuvenate Lao Luohu is worth looking forward to.

Futian district

The central city will continue to be the vanguard of reform.

As the downtown area of Shenzhen, Futian District has always been in the forefront of the city’s economic development and reform.

With its unique geographical location and industrial advantages, Futian District has put forward a two-wheel drive strategy of "headquarters economy+modern service industry". According to statistics, more than half of the first batch of 180 headquarters enterprises recognized by Shenzhen gathered in Futian Central District. At present, four enterprises in the city are among the top 500 in the world, and three of them are located in Futian District.

In recent years, Futian District has vigorously supported the development of modern service industry through policies, funds and land concessions, especially the financial industry. By encouraging banks, securities, insurance, funds and venture capital institutions to gather and develop, Futian Central District has become not only the financial center of Shenzhen, but also the financial service center with the most resource cluster value in the Pearl River Delta.

Zhang Wen, the current secretary of Futian District Party Committee, is the only member of the Standing Committee of the Municipal Party Committee who is also the secretary of the District Party Committee. He took the helm of Futian in 2014, and soon started the reform of deep water area, taking the lead in compiling and drying out the power list in the city.

In the year of deepening reform in an all-round way, Futian took the lead in launching the activity of "open the door to ask about reform" in the whole city, set up stalls all over the jurisdiction, and publicly solicited reform opinions from the public. This open and inclusive attitude has enabled the reform in Futian District to advance smoothly and won many people’s hearts.

Xiao Yafei, who is proposed to be the head of Futian District, has been active in the economic front for a long time. At the age of 49, he has served as the director of the Economic Division of the General Office of Shenzhen Municipal Government, the deputy director of the Policy Research Office of the Municipal Party Committee and the director of the Financial Office of the Municipal Government. Since February 2014, he has served as the director of the Municipal Development and Reform Commission.

During his tenure as director of the Municipal Finance Office, Xiao Yafei actively promoted the layout of Shenzhen’s financial industry and the construction of a comprehensive experimental zone for financial reform and innovation, and made outstanding achievements in promoting Shenzhen’s financial innovation and the construction of a regional financial center. During the period of being in charge of the National Development and Reform Commission, he put forward the strategic concept of "focusing on the Bay Area economy" and made achievements in deepening the reform of social investment management system, improving the level of government investment management, promoting the reform of resources and environmental prices, and exploring new mechanisms for special funds to support the development of emerging industries.

Nanshan District

Building an international innovative urban area with the strongest innovation area

Nanshan is the window of China’s reform and opening up. From Shekou Industrial Zone to today’s Guangdong Free Trade Zone, Nanshan has not been absent from every big change and development opportunity.

Nanshan has a solid family background and a good foundation. The total economic output ranks first in Guangdong, and if calculated per capita, Nanshan has entered the ranks of developed countries. However, under the new economic situation, there are also many problems that need to be solved urgently.

After the establishment of Qianhai Shekou Free Trade Zone, how can Nanshan do a good job in service and cooperation, and how can it seize the opportunity of the free trade zone to achieve new development? Limited by space, many corporate headquarters have chosen to move out, and the consumption of the tertiary industry is insufficient. How to find a new carrier and platform for economic development in the jurisdiction? Nanshan puts forward the goal of building an international coastal city that is livable and suitable for business, but high housing prices and limited space have discouraged many enterprises. What measures will Nanshan take to attract and retain talents in the future?

According to the public information of the district party committee secretary, Jiang Jianjun, once secretary of the Party Working Committee of Longhua New District, is about to take the helm of Nanshan District where high-tech enterprises gather. During Jiang Jianjun’s term of office, Longhua achieved industrial development and a great change in the appearance of the city. Whether it is the overall economic strength, the level of urban construction management, or the improvement of people’s livelihood and well-being, it has a level that matches the central axis city. Jiang Jianjun also served as the head of the Municipal Construction and Public Works Department and Longgang District. Today, Jiang Jianjun is at the helm of Nanshan, the most innovative area, and residents and enterprises in the jurisdiction expect him to bring new changes to Nanshan.

The district chief did not publicize it.

Baoan District

Public facilities construction may have a new look.

As the forefront of reform and opening up, Shenzhen’s economic region, population region and Bao ‘an District have developed better and stronger in social, economic and urban development in recent years, and are in the process of transformation from the former Shenzhen customs area to a modern and internationalized Bay Area new city.

Reform is the "innate gene" of Baoan. In recent years, Baoan has been a pioneer in deepening the reform. Phoenix Community’s agricultural land entered the market for the first time, developed the first 3D industrial map in China, joined hands with Shenzhen Customs to "solve the problem" in the whole process of information reform of processing trade, and promoted public cultural services to benefit the masses through cultural spring rain action …

Innovation is the "development soul" of Baoan. In the torrent of industrial structure transformation and upgrading, Baoan’s state-level high-tech enterprises showed a rapid growth trend. From the end of 2012 to the end of February 2015, the number of state-level high-tech enterprises increased from 402 to 1,232. In 2014, government investment in science and technology reached 213 million yuan, an increase of 85.3% over 2012; Drive the whole society to invest 8.56 billion yuan in research and development. Last year, the total output value of high-tech products in the whole region reached 302.8 billion yuan, an increase of 11.9%, accounting for 58.4% of the total industrial output value.

In the latest personnel arrangement, Huang Min, former director and party secretary of the Municipal Transportation Committee, is proposed to be the secretary of Baoan District Committee. His degree of doctor of engineering is undoubtedly consistent with Baoan’s regional situation as an industrial region and an industrial region; In the transportation department, it presided over the construction of the departure port of the Maritime Silk Road in Shenzhen Port, built the "Belt and Road" hot metal combined transport hub, highlighted industrial transformation and upgrading, and built a global logistics hub. The vision and courage of its reform will also be seamlessly connected with Baoan’s reform goal of building a new city in the Bay Area; At the same time, Huang Min’s ruling experience in the transportation sector for many years is expected to bring new ideas to Baoan’s public infrastructure construction in the process of integration of the Special Economic Zone.

Yao Ren, deputy director of the United Front Work Department of Shenzhen Municipal Committee and director of the Municipal Bureau of Ethnic and Religious Affairs, intends to be the deputy secretary of Baoan District Committee and the head of the district government. It is understood that Yao Ren was once the secretary of the Party Working Committee of longgang town, Longgang District, Shenzhen, and his experience in the former customs area will help him to be the "top leader" of Baoan District.

■ Noun explanation

What are provincial cadres and municipal cadres?

Cadres directly under the central government should be cadres at or above the deputy provincial and ministerial levels, including national and provincial and ministerial levels. For example: Premier president, Vice Premier the State Council, ministers and deputy ministers, directors and deputy directors of various ministries, secretaries, deputy secretaries, standing committees, governors and deputy governors of provincial committees, etc.

Provincial cadres are generally bureau-level and deputy bureau-level cadres, such as the director and deputy director of the provincial health department, the secretary of the municipal party Committee, the standing Committee of the municipal party Committee, the mayor and the deputy mayor of each prefecture-level city. The right to use and appoint these cadres is in the organization department of the provincial party Committee.

City management cadres refer to cadres who have filed in the organization department of the municipal party Committee, and their appointment right is generally in the municipal party Committee of the city where they live. Prefecture-level cities are county-level (director and deputy director) cadres, sub-provincial cities are deputy hall and deputy bureau-level cadres, and municipalities directly under the central government are bureau-level (director and deputy department-level) cadres. Among them, some important cadres are also appointed by the organization department of the provincial party Committee, such as the secretary of the district party Committee and the secretary of the county party Committee of some administrative regions.

As Shenzhen is one of the fifteen sub-provincial cities, its personnel allocation is quite special. Compared with ordinary cities, in the same position, the allocation of leading cadres is usually half a level higher at the administrative level. At present, there are four cadres directly under the central government in Shenzhen, namely, Ma Xingrui, Deputy Secretary of the Provincial Party Committee and Secretary of the Shenzhen Municipal Party Committee; Xu Qin, Mayor of Shenzhen; Dai Beifang, Chairman of the Shenzhen Municipal People’s Political Consultative Conference; and Qiu Hai, Director of the Standing Committee of Shenzhen Municipal People’s Congress.

On the 3rd, the posts of Party committee secretaries, district heads and management committee directors of key districts and new districts in Shenzhen’s re-election were announced before appointment. According to the pre-appointment announcement, the party committee secretaries of Luohu, Nanshan, Yantian, Baoan and Longgang belonged to provincial cadres. Deputy secretaries and district heads of district committees in Futian, Luohu, Yantian, Baoan and Longgang districts are municipal cadres. (Reporter Yang Lei Zhang Dongfang Hu Ming Wu Yongkui Liu Tingting Deng Xiang Liu Yan Fang Xiaoda Ding Wei Intern Cai Yarui)

Our scientists have cultivated healthy mice with iPS cells for the first time in the world.

On July 23rd, Nature published online the research results jointly completed by the research team led by researcher Zhou Qi from Institute of Zoology, Chinese Academy of Sciences and the research team led by Professor Ceng Fanyi from School of Medicine, Shanghai Jiaotong University. For the first time, they used iPS cells to obtain mice with survival and reproductive ability by injecting tetraploid blastocysts, thus proving the totipotency of iPS cells for the first time in the world.



Using iPS cells to inject tetraploid blastocysts, mice with survival and reproductive ability were obtained.


IPS cells are called induced pluripotent stem cells, which are stem cells induced from somatic cells and have developmental pluripotency similar to embryonic stem cells. In July, 2006, Japanese scientists announced for the first time that they had discovered the method of transforming mouse skin cells into pluripotent stem cells. In November, 2007, American and Japanese scientists induced human cells into iPS cells, which was rated as the top ten scientific and technological progress in the world by Science magazine in 2008. IPS cells have broad application prospects in the fields of biology and medicine, and are expected to become an important cell source for regenerative medicine and cell therapy.


The research of iPS has advanced by leaps and bounds, but do iPS cells really have the same totipotency as embryonic stem cells? Is it really comparable to embryonic stem cells? Embryonic stem cells can develop into normal mice when they are injected into the early embryos of tetraploid mice (embryos that have no further development ability and only provide nutritional environment) and then transplanted into surrogate mothers. Tetraploid blastocyst injection method is the "gold standard" to verify whether cells are totipotent. However, previous studies have found that iPS cells can not develop into living mice through tetraploid blastocyst injection like embryonic stem cells, and all the mouse fetuses formed after iPS cell injection die from early to late pregnancy. These results show that iPS cells are not totipotent yet.


Zhou Qi et al. prepared 37 iPS cells, injected more than 1,500 tetraploid embryos with 6 iPS cell lines, and finally obtained 27 live mice with 3 iPS cell lines. After identification by various molecular biology techniques, it was confirmed that the mice really developed from iPS cells, and some mice have now matured and propagated their offspring. This is the first time in the world to obtain live mice completely prepared from iPS cells, which strongly proves that iPS cells are truly totipotent. This work provides a technical platform for further research on the application of iPS technology in the fields of stem cells, developmental biology and regenerative medicine, pushes the research of iPS cells to a new height, and also makes an important contribution to China in this international hot research field.

sample

Sample (Sample), a collection of elements extracted from a population. The same population can extract several samples to form a set, such as 1,000 people from 10,000 Beijing citizens, and there areTwo kinds of extraction methods (without repeated sampling), the set of elements obtained by each extraction method is a sample. In the process of obtaining data, we are often limited to human, material and financial resources, and it is impossible to exhaust all the extraction methods to collect data. Researchers usually get one of so many samples. Therefore, the sample is not unique and uncertain for researchers, but once the data of a sample is collected, its characteristics can be characterized by the collected data. Therefore, the characteristics of the sample are known.

 

A generalized numerical measure that describes the characteristics of a sample is called sample statistics (Statistics), which is some quantities calculated according to the sample data, is a function of the sample. Sample statistics mainly include sample mean., sample standard deviation, sample proportionWait. The number of elements constituting a sample is called sample size or sample size (Sample size), generally usedExpress.