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  • aerosol  (1)
  • microbial pollution in the atmosphere  (1)
  • 1
    ISSN: 1573-3025
    Keywords: aerosol ; airborne microbes ; particle size
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary This study was aimed at the detection of the Count Medium Diameter (CMD) of airborne bacterial and fungal particles with the Andersen's six-stage viable air-sampler at four sites over Beijing and Tianjin area. The results were as follows: in the first period (1984–1985) the CMDs annual average were 5.6, 6.6, 5.5, 7.1 µm at Xi-Dan, Feng-Tai, Tang-Gu and Huai-Rou respectively. The CMDs annual average of the airborne fungal particles were 3.9 µm at Feng-Tai and Xi-Dan. In the second period (1987–1988), the CMD annual average of airborne bacteria was 7.3, that of airborne fungi was 3.9 µm at Xi-Dan. At Huai-Rou, the CMD of airborne-bacteria was 7.1.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-3025
    Keywords: factors of influence ; microbial pollution in the atmosphere ; microbiological aerosol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The atmospheric microbial pollutants are potentially correlated to population density and activity as well as to human health. The higher the population density is, the heavier the air microbial pollution will become. Some meteorological factors exert great influence on air microbial pollution. Generally, wind, solar radiation and rainfalls purify air and, consequently cause a decrease in atmospheric microbial pollution. On the other hand, prevailing strong winds may favour this pollution, especially in dry conditions and in absence of vegetation. Obviously, relatively high temperatures associated with high RH enhance the growing of microbes. However, the higher the temperature is, the lower the viability of airborne microbes will be; nonetheless, with high RH a decrease in suspended particles may be recorded.
    Type of Medium: Electronic Resource
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