Haze conditions are becoming increasingly common in Beijing and in 2015, the level of atmospheric particulate matter was 8 times that of the Chinese National Ambient Air Quality Standard.The health impact...
particles or liquid droplets that remain suspended in the air for extended periods of time....
根据VDI6022对欧洲标准偏好的现有测量方法进行了评估。VDI主页可看到新版本VDI6022第1部分的内容摘要。上述网址可以获得该指南。https://www.beuth.de/en/technical-rule/vdi-6022-blatt-1/279023701译者注:上述网址可购买下载版本和纸质版本,查了一下,都是207.40欧元。...
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