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from pm10 to pm2.5 包含92685个检索结果
PM2.5SINCE the beginning of November, fog has covered the sky much of the time, from Beijing and Shandong in the north to Hunan and Fujian in the south. PM2.5 is a major part of the heavy fog. PM ……
2011年12月18日
’s *meteorological authorities currently use PM10 to assess conditions, but unlike PM2.5, which monitors... for “there is no need for PM2.5 measurement”.The public debate concerning PM2.5 and PM10 first began when people ……
2011年11月08日
北方大雾消散,公众期待PM2.5纳入空气质量标准。词数 232 建议阅读时间 4分钟FOGGY weather is always annoying. But when it starts... debate has raged (激烈进行) over the two different measurements for monitoring air quality, “PM2.5 ……
2011年12月11日
able to report such PM10 levels, reported China Daily.Studies on the causes of PM2.5 have been..., to measure air quality.Monitoring PM2.5 pollution will be included in the newly *amended draft ……
2012年01月03日
. There’s a lot of PM2.5 in waste gas from factories. Beijing will close some companies that cause...治理PM2.5,共同呼唤蓝天。WE always check the weather before a trip. But after hearing a lot about air ……
2013年09月15日
that PM2.5 is a major part of the heavy fog. PM is short for particulate matter (颗粒物).PM2.5 is small... 2.5 and 10 micrometers) is still being used. Beijing is planning to use the new measurement of PM2 ……
2011年12月18日
registrations (注册) will be reduced.To lower PM2.5 emissions from factories, Beijing will close...?That’s what made PM2.5 – small particles (颗粒) of pollution in the air with a diameter of 2.5 micrometers ……
2013年09月22日
the PM2.5 index and looking at the color of the sky.In the following package, we not only look at the basics of PM2.5 and smog formation, but also consider case studies of severely polluted regions ……
2013年12月31日
quality. From this year, PM2.5 will be used to measure air quality in Beijing, Tianjin, Shanghai...’s provinces and provincial-level regions, the Ministry of Environmental Protection said. From 2016, PM2.5 ……
2012年01月01日
quality. From next year, PM2.5 will be used to measure air quality in Beijing, Tianjin, Shanghai...’s provinces and provincial-level regions, the Ministry of Environmental Protection said. From 2016, PM2.5 ……
2012年01月01日
effect, with Beijing a major beneficiary (受益者).The national standard for PM2.5 – fine inhalable... concentration (浓度) of PM2.5, an air pollutant, dropped to 23 micrograms per cubic meter in Beijing ……
2019年10月13日
. Public debate raged (迅速蔓延) over the two figures, “PM2.5” and “PM10”, and continues even now the fog has cleared. Beijing has been using PM10, which measures only particles (微粒) between 2.5 and 10 ……
2011年11月13日
debate raged (迅速蔓延) over the two figures, “PM2.5” and “PM10”, and continues even now the fog has cleared. Beijing has been using PM10, which measures only particles (微粒) between 2.5 and 10 micrometers ……
2011年11月13日
as the country battles poverty (贫困), he said.The government will start by reducing PM10 and PM2.5... PM2.5, are a major cause of smog. Most of the particles are caused by human activities, such as coal ……
2014年03月09日
. On Oct 20, the first day that public heating was provided, the reading of PM2.5 – small particles (颗粒... will be required to cut down the density (浓度) of PM10 by at least 10 percent by 2017 from levels measured in 2012 ……
2013年10月27日
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