Students of Xinmiao Primary School in xuyong county, Sichuan are filming campus activities with their teachers’ mobile phones. Bright pictures/vision china

　　Go to school with your mobile phone, go home and chat with your classmates on WeChat, and send a circle of friends at any time … … Zhao Zhao, a fifth-grade student in a primary school in Beijing, only enjoyed the good day when his mobile phone never left his body for two weeks. During this period, the war with his mother escalated, and repeated nagging and resistance, and finally a total outbreak made Zhao Zhao lose the daily control of his mobile phone. "Weekends can be used within the specified time", and the mother and son rebuilt a harmonious relationship in mutual compromise. "But my addiction is still there. Who knows what challenges I will face after the temporary isolation?" Zhao Zhaoma said helplessly.

　　Helplessness, powerlessness and helplessness are the strongest feelings of many parents when dealing with the problem of "children and mobile phones". "The teacher built a class group and sent and received notices; The school community has established a community student group to exchange and discuss … … Even the children said that without a mobile phone, I didn’t know anything about what the students talked about in the WeChat group, so it was completely out of date. As a parent, do you want to give your child a mobile phone? But addicted to mobile phones and addicted to social networks, I really can’t bear the consequences. " Zhao Zhaoma is in a dilemma.

　　Small mobile phones pose a problem for adults. But with the rapid attack of new technologies, we have nowhere to hide.

　　According to the data released by China Youth Research Center recently, the proportion of "post-00" mobile phones is 64.6%, which is about eight times that of "post-90". "Mobile phone control", "low-headed family" and "screen-brushing family" are spreading to younger people. The research suggests that the media literacy training and education system should be moved down to the primary school curriculum system, and the family-oriented media literacy education should be emphasized.

　　Normalization of social networking, whether parents care or not?

　　Zhou Cheng, a "post-00" Changchun teenager who failed in the battle with his parents for a smart phone, was reluctant to take the "old man machine" when he went out to participate in wind music training on a snowy day. The smart phone once opened Zhou Cheng’s eyes, and he chatted with his classmates on WeChat in the middle of the night. As a result, his parents discovered it several times.

　　The survey shows that mobile phones have become a new entertainment tool for children, and nearly half (46.4%) of the "post-00" children log on to social software with their mobile phones, and their online social behavior tends to be normal, and their most frequent online behavior is socialization.

　　Huang Chuxin, director of the Journalism Research Office of the Institute of Journalism and Communication, China Academy of Social Sciences, concluded that the post-00 generation are more inclined to find information and make friends through the Internet, and they are afraid of being marginalized or excluded because they can’t use electronic products, which makes them more keen on the Internet and find a sense of belonging from the Internet, thus falling into a strange circle of making friends.

　　The reason why Zhou Cheng’s father, Zhou Haixin, doesn’t trust his son to use the smart phone is that he thinks that the child lacks the ability of analysis and judgment. "Now it is not uncommon to see naked photos in some online novels and game interfaces, and short yellow videos can also spread smoothly through WeChat, which makes people hard to prevent."

　　Many parents fall into such anxiety because they are unwilling to isolate their children from the internet and afraid that their children will be affected by bad information. In the WeChat group of parents of a key middle school in Beijing, a mother admitted that she had sneaked on her son’s mobile phone and found that some WeChat groups had extremely bad video content. She suggested that other parents help their children turn off some functions, such as adding friends through WeChat "shake".

　　The reporter’s investigation found that although most parents are ambivalent, there is really nothing they can do. Ms. Huang, who tried to manage her children’s use of WeChat, was blocked by her daughter. After the face-to-face protest, her daughter’s circle of friends was reopened to her mother. Ms. Huang is worried that if she interferes with children’s use of WeChat again, it will intensify contradictions. "Now, silence is the best response."

　　Absence of Media Literacy Education

　　In the new technological environment, when adults who are also immersed in the online world look to schools to manage their children, they find that there is almost no education for teenagers’ media literacy in the traditional education system.

　　In a classroom of a middle school in Xicheng District, Beijing, the reporter saw that nearly 30 mobile phones were locked in lockers, and almost all the students in this class had a mobile phone. In order to ensure normal teaching, the first thing students do when they arrive at school is to hand over their mobile phones, which will be kept by the life committee. When asked about the use of mobile phones, "getting notice of class activities", "chatting with classmates" and "buying stationery online" are common answers.

　　Born and raised in the information age, "post-00" people have stronger information sensitivity and demand than "post-90" and "post-95" since childhood. Yu Xiaobing, a teacher in the experimental middle school affiliated to Beijing Normal University, believes that the proportion of information technology in the curriculum has increased, and the network teaching platform and network search have been widely used, which has aggravated the dependence of children on the network.

　　A class teacher, Mr. Ma, told the reporter that students had been organized to discuss the use of mobile phones at class meetings, but the results were minimal. "Most of the time, it depends on the children’s consciousness." She admits that she is not clear about the meaning of media literacy.

　　How to use the media, how to interpret the media information rationally and critically, and how to develop their own abilities with the help of the media are considered to be the core contents of children’s media literacy. According to the reporter’s investigation, at present, media literacy education has not been widely carried out in primary and secondary schools in China, and this project has already started abroad. It is understood that in 2001, Japan set up "comprehensive education" in primary and secondary schools and introduced media literacy education courses. In 2002, Australia has passed laws to make media literacy education a regular education, and developed a complete media literacy education curriculum and teaching materials from kindergarten to the second grade of primary school. In Canada, it is stipulated that one tenth of the time must be spent on media literacy education in the classroom of students in grades 7 to 8.

　　Media literacy education needs overall planning.

　　Parents are helpless, and the school "does not move." Who will tell children how to use mobile phones correctly and contact the internet?

　　Zhou Haixin, a parent, finally bought a non-smart phone for his child to meet the basic communication needs. He said that this was a helpless choice, but it may also be the best way at this stage.

　　For this reason, the research group of China Youth Research Center suggested that parents of children should be taught media knowledge and skills to help parents better guide their children to use media. Experts advise parents to discuss the media content and use strategies in the dialogue with their children, share each other’s views and opinions, and cultivate children’s ability to identify media information and critically look at problems.

　　"Help children understand the quality of electronic products, rather than simply controlling the amount of electronic products used by children and explaining disturbing information to them." Huang Chuxin believes that books and television also contain knowledge, and parents should take the initiative to provide more diversified media combinations, so as to expand the channels for children to acquire knowledge and broaden their horizons.

　　In addition, Huang Chuxin suggested that "the overall plan of media literacy education should be formulated and included in the curriculum of primary and secondary schools". Compared with traditional subjects, media literacy course is a new product of the information age. Schools should set up media literacy courses according to their own educational resources and students’ acceptance level, or combine other courses to carry out teaching by means of infiltration education.

　　But it is followed by another problem: teachers. It is understood that Dr. Zhang Jie from the Communication Research Institute of Communication University of China and his team have conducted many teacher trainings all over the country, but the results are not satisfactory. "There is a serious shortage of teachers who can teach media literacy education courses, which cannot meet the needs of implementing media literacy education courses in more schools."

　　When it is not included in the overall teaching plan and lacks a unified teaching system structure, it is difficult to start cultivating teachers with media literacy. Another set of data is worrying. According to the 38th Statistical Report on Internet Development in China, as of June 2016, the number of netizens in China reached 710 million, and the Internet penetration rate reached 51.7%, which exceeded the global average by 3.1 percentage points. Obviously, in the face of the rapid development of network technology, media literacy education for children is urgent and essential. We, we have to act now.

　　(Reporter Chen Peng)

　　Original title: Why is "nuclear smog" a rumor?

　　June 5th is World Environmental Protection Day. At the Beijing Green Communication Conference held a few days ago, the Beijing Municipal Environmental Protection Bureau released the "Top Ten Environmental Protection Rumors" for the first time, among which the second rumor was: "The smog persists because of nuclear pollution", also known as nuclear smog. The core point of an online article entitled "The Collapse of China’s Coal Industry and Nuclear Haze Disaster" is that some thermal power plants in northern China use coal containing radioactive uranium from Inner Mongolia, and uranium is discharged into the air in the form of dust with the coal burning, resulting in nuclear radiation pollution, which is related to the frequent smog phenomenon in North China in recent years. Under the guise of science, the article quotes a lot of false data and false facts, which makes the article very deceptive. For friends who don’t know the truth and lack scientific knowledge, it is easy to be deceived. (Why is "Nuclear Haze" in Focus Interview 20160605 a rumor?)

　　Cctv news(Focus Interview): Today is June 5th, which is World Environmental Protection Day. At the Beijing Green Communication Conference held a few days ago, the Beijing Municipal Environmental Protection Bureau released the "Top Ten Environmental Protection Rumors" for the first time, among which the second rumor was: "The smog persists because of nuclear pollution", also known as nuclear smog. So how did this statement of nuclear smog come from? We put the time back to last winter. After the winter, because of the continuous smog weather, many places in China started the red warning of heavy air pollution for the first time. Just as everyone is asking how the smog is produced, where it comes from and why it is difficult to eliminate it, an online article about "nuclear fog dyeing" has attracted attention.

　　First look at the title of this article: "China’s coal industry collapse and nuclear fog disaster." Nuclear, smog, pollution, disaster, every word is very "lethal". The Ministry of Environmental Protection also specifically clarified that there is no correlation between nuclear radiation and smog formation. So, what is this "nuclear fog dyeing" that has caused many speculations?

　　The core point of this online article entitled "China’s Coal Industry Collapse and Nuclear Haze Disaster" is that some thermal power plants in northern China use coal containing radioactive uranium from Inner Mongolia, and uranium is discharged into the air in the form of dust with coal combustion, which causes nuclear radiation pollution. In recent years, frequent smog phenomena in North China are related to this. At the same time, the article also puts forward in horror that this kind of nuclear radiation pollution will seriously affect the ecology, and the disaster far exceeds the Iraq war that year. As soon as this statement came out, it caused a lot of hot discussions on the Internet.

　　In response to the statement of "nuclear fog pollution", the Ministry of Environmental Protection gave an authoritative conclusion at the beginning of this year: the radioactive level of China’s atmospheric environment has been stable for more than ten years, and no particulate matter with high uranium content has been found. Nuclear radiation has nothing to do with the formation of smog. The conclusion is very clear. So, how did you get this result?

　　According to the Radiation Environmental Monitoring Technology Center of the Ministry of Environmental Protection, since 2006, according to the population density and geographical conditions, China has established 167 air level monitoring stations in various places. These monitoring stations are distributed in densely populated areas of large and medium-sized cities, and the density of distribution is close to the level of nuclear powers in the world. The news of these monitoring stations will be transmitted to the National Radiation Environmental Monitoring Data Center.

　　Relevant personnel of the Radiation Environmental Technology Monitoring Center of the Ministry of Environmental Protection stressed that since the saying of "nuclear fog dyeing" began in 2014, the monitoring of uranium content in the air has been particularly strengthened. Automatic monitoring and laboratory analysis show that the data is normal.

　　Ten years of automatic detection and laboratory analysis have not found any abnormality in the radioactive level in the air in China, which is the conclusion of the Ministry of Environmental Protection. The reporter specially went to two other scientific research institutions for interviews, one is the China Institute of Atomic Energy, which is called the "incubator" of China’s nuclear industry, and the other is lasg.

　　Liu Senlin, vice president of China Institute of Atomic Energy, said: "We began to monitor the uranium content in the air around 1958, and it has accumulated for almost 60 years. From the level of our laboratory, we can probably find 0.1 millibecquerel in the air. Uranium in every cubic meter of air can’t be measured most of the time, even if the measured value is very small, it has no impact on the human body." Wang Yuesi, a researcher in lasg, said: "There are 36 observation stations in all parts of the country, which have been observed since 2012. According to the extensive observation data in the country, uranium in atmospheric particles in our country is radioactive, including other radioactive elements. There is no abnormality and no change, so everyone can rest assured."

　　The data from the Radiation Environmental Monitoring Technology Center of the Ministry of Environmental Protection, China Institute of Atomic Energy and lasg all show that the atmospheric environmental radiation level in China has been stable for more than ten years, that is to say, the so-called "nuclear fog pollution" does not exist at all.

　　At the same time, I would also like to remind everyone that the monitoring results of radiation levels in the air are regularly published on the official website of the Ministry of Environmental Protection and the official WeChat meeting of the National Nuclear Safety Administration. You can check them from time to time if you are worried.

　　Go back and have a look at the ins and outs of this article. The source of the so-called "nuclear fog dyeing" mentioned in this article: coal with uranium from Ordos region of Inner Mongolia. If you want to say what uranium is, you may first think of the atomic bomb. Yes, highly enriched uranium can make nuclear weapons. Then, is there uranium in the coal in Ordos, Inner Mongolia? Is the coal there the so-called "uranium coal" that will cause nuclear pollution? Let’s listen to the authoritative experts.

　　Pan Ziqiang, an academician of China Academy of Engineering, said: "The content of coal and uranium in Inner Mongolia should be low in the whole country." Liu Senlin said: "We have measured more than 90% of the coal mines in Inner Mongolia. According to the average output, the content of coal in Inner Mongolia is 49.8 becquerels per kilogram, and the national value is about 61 points. Therefore, the uranium content in coal mines in Inner Mongolia is lower than that in the whole country. The coal in our country is equivalent to the global average, basically at the same level." Pan Ziqiang said: "Uranium has existed on the earth since ancient times. There is no place without uranium, but this amount is relatively small, so it will not have harmful effects on people."

　　There are three key points here: the coal in Inner Mongolia does contain uranium; The content is lower than the national level; The uranium content in coal in China is comparable to that in other countries.

　　It can be said that uranium is everywhere, in the soil and in the air. Like many substances in nature, it is harmless as long as it is small, so there is no need to talk about uranium discoloration.

　　Let’s take a look at the so-called uranium coal mentioned in this online article. It is said in the article that the coal mines and uranium mines near Erdos in Inner Mongolia are together, and the coal and uranium are mixed, and the purity of uranium is very high. When coal is burned, the uranium mine is burned. What is the fact?

　　Wang Yuesi said: "No country is willing to burn this uranium mine in vain. Uranium mine is so precious. If the content is so high, it is a welcome thing to collect it as nuclear fuel. Can it be wasted?" Liu Senlin said: "The current understanding is that the spatial relationship between uranium mines or coal mines in Inner Mongolia is probably like this: this layer is a uranium-bearing layer, and this layer is basically a coal seam. The thickness between these two areas is about 100 meters. This 100-meter geological layer is mainly underground water and geological minerals."

　　This is clear: coal mines and uranium mines are separated by almost 100 meters, and they are not mixed at all. At the same time, experts point out that uranium can only be called uranium mines when the average content of uranium reaches more than five ten thousandths, while China has always been a uranium-deficient country. Once uranium is discovered, its exploitation will be strictly restricted by the state, and it is impossible to waste such precious resources as uranium in vain.

　　However, experts also mentioned that trace uranium does exist in coal. So, with the burning of coal, where did uranium go? According to the article "Nuclear Fog Dyeing", hundreds of thousands of tons of radioactive uranium dust are released directly from chimneys every year, which are widely distributed in cities and villages. So, will uranium turn into dust and enter the air after burning?

　　Liu Senlin said: "Burning coal is a carbonization process. Since it is carbonized, the combustion temperature of our coal-fired boilers, including coal-fired power plants, is about 800 degrees, while the melting point of uranium is more than 1,400 degrees, and the boiling point is more than 2,000 degrees. During the combustion process, uranium is not burned, but is in the cinder. At present, the trend of uranium in coal is about such a proportion: 90% enters the cinder, and the remaining 10% enters the fly ash. The fly ash is filtered by the filter, and about 1% enters the filter system, enters the chimney environment through desulfurization, and enters the atmosphere. Uranium in coal entering the environment is basically negligible. "

　　After coal combustion, more than 90% of uranium goes to ash, 10% to fly ash, and after dust removal and filtration, only 1% finally goes to the atmosphere. Because the density of uranium is very high, 19 tons per cubic meter, the particulate matter of uranium will soon be deposited on the ground and will not be suspended in the air. Therefore, as long as the ash and fly ash are properly treated, even around the thermal power plant, there will generally be no large radiation.

　　In this article "Nuclear Fog Dyeing", the final goal is: the persistent smog shows that a large number of charged dust particles are floating in the air. It is radioactive uranium dust that provides power for charged particles, so even if the sun comes out and the temperature rises, it can’t be eliminated like fog. This view is also considered nonsense by experts.

　　Wang Yuesi said: "For example, I am from Beijing. When I was young, there must be coal at noon in the morning. Why? In the early days, it was water. By noon, the fog evaporated and disappeared. Now, the fog that started in the morning is mixed with a lot of particulate matter, that is, PM2.5 is still there. This day is still not blue, and this day has passed. Therefore, the smog is the reason for the duration, and the concentration of particulate matter in the atmosphere is too high. The floating time is too long, so in this case, the process of smog formation has nothing to do with us, mainly the discharged motor vehicles, coal-fired industries and ground dust. "

　　Seeing this, you finally understand that "nuclear fog dyeing" is a lie packaged with pseudo-scientific concepts, but why does such an article full of conceptual errors and logical confusion lead to the forwarding on the Internet? First, under the guise of science, the article quotes a lot of false data and facts, which makes the article very deceptive. For friends who don’t know the truth and lack scientific knowledge, it is easy to be deceived. Another, it takes advantage of the public’s attention to smog. In fact, among the top ten environmental rumors released this time, air pollution rumors accounted for six. Smog really annoys everyone, but even so, don’t believe rumors and rumors easily, let alone spread them, or believe in data and facts and science.

　

Shanghai people pay attention!

Recently, the Shanghai Provident Fund was released.

The city announced the deposit base, proportion and monthly deposit limit of housing provident fund in 2023.

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The city announced the deposit base, proportion and monthly deposit limit of housing provident fund in 2023.

According to the Regulations on the Administration of Housing Provident Fund, Several Provisions on the Administration of Housing Provident Fund in Shanghai and Measures for the Administration of Housing Provident Fund Deposit in Shanghai, combined with the actual situation of this Municipality, the Municipal Housing Provident Fund Management Committee passed the Notice on Adjusting the Base, Proportion and Upper and Lower Limits of Housing Provident Fund Deposit in Shanghai in 2023.

Since July 1, 2023, the deposit base of employee housing provident fund in this city has been adjusted from the average monthly salary in 2021 to the average monthly salary in 2022. Deposit base of housing provident fund in 2023The maximum is not more than 36549 yuan, and the minimum is not less than 2590 yuan.

In 2023, the proportion of units and employees’ housing provident fund contributions will be 5% to 7% respectively, and the proportion of units and employees’ supplementary housing provident fund contributions will be 1% to 5% respectively.

The housing accumulation fund corresponds to the deposit ratio of 7% for each unit and employee.The upper limit of monthly deposit is 5116 yuan, and the lower limit is 362 yuan.

Supplementary housing provident fund is corresponding to the deposit ratio of 5% for each unit and employee.The upper limit of monthly deposit is 3654 yuan, and the lower limit of monthly deposit is 260 yuan.

In 2023, the adjustment of the housing provident fund base will be based on online adjustment. From May to June, 2023, enterprises that have applied for the combined declaration of annual social insurance premiums and housing provident fund contributions through Shanghai "One Netcom Office" can log in to Shanghai "One Netcom Office" to inquire about the adjustment results of housing provident fund base from July, 2023, and after the housing provident fund is paid to June, 2023. Enterprises that have handled the consolidated declaration and found the successful adjustment result of the housing provident fund base do not need to repeat the adjustment of the housing provident fund base in 2023.

From July, 2023, after completing the payment of housing provident fund in June, the units that have not applied for consolidated declaration can adjust the base of housing provident fund in 2023 through the original channels such as Shanghai Housing Provident Fund Network, online business processing system of unit housing provident fund, "Shanghai Provident Fund" mobile phone client and China Construction Bank. The municipal provident fund center will continue to share data with the municipal social security department. When the unit handles the adjustment of the housing provident fund base through the above channels, it can choose to use the social security declaration information, and it is not necessary to fill in the average monthly salary information of employees repeatedly.

Shanghai Housing Provident Fund in 2023

Monthly deposit upper and lower limit table

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Original title: "About the provident fund! There are adjustments! 》

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　　Few brands are as famous as Bugatti for their staggering numbers on the price tag, refined design, speed that does not belong to this world, and pitifully low output, so Veyron is not afraid that no one will buy it, but that money will not buy it. In order to meet the needs of these people, Bugatti produced a limited number of "convertible" Veyron Grand Sport.

　　In order to make the production version of the new model reach a new height, the "convertible version" of Veyron Grand Sports will be limited to 150 units. The car made its debut in Pebble Beach Concours d’Elegance last August, after which Bugatti held a special test drive for subscribers in Cannes, France.

　　The most memorable first of the 150 vehicles was auctioned for $2.9 million last year, and the remaining 149 vehicles were priced at about $2 million, but 50 of them were reserved for registered customers of Bugatti.

　　Although defined as a convertible, the Grand Sport is actually only a part of the panoramic sunroof, and it must be removed manually before the car starts. The manager of Bugatti’s outreach department said that in order to maintain the integrity of the shell of the Grand Sport and ensure the safety of the car, the detachable skylight is the only feasible solution.

　　When the roof is installed, the top speed of the Grand Sport is 407 kilometers per hour, and after the roof is removed, the top speed is 360 kilometers per hour, which ensures that the Grand Sport will remain the fastest convertible sports car in the world for a period of time.