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Pollution property of particulates in the air and its affecting factors at the traffic crossing in Harbin were studied. PM10 in atmosphere was sampled in August 2005 near the roads of Harbin, the ions, heavy metals and carbon ingredients of PM10 were analyzed. The results showed that the proportion of the samples which didn't meet the national standard was 75%. The concentrations of SO42-, NH4+,...
In recent years, it draws people's attention to the high frequency of fog and haze. Shijiazhuang is a city where fog and haze have high frequency. This article takes the inhalant particles of fog and haze in the urban district in Shijiazhuang as the main research target, according to the data of the analyzed chemical elements in particles of fog and haze, four main sources of inhalant particles are...
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