摘要
报道了兰州大气微生物的污染状况，结果是城区比郊区污染严重。用中科院生态学研究中心制订的７级标准评价，兰州属污染和中度污染区，其污染程度高于北京、天津等城市。
The Pollution condition of microorganism in Lanzhou city was reported. It showed that the Pollution in urban area was heavier than that in suburban area. According to the seven-grade assessment creterion issued by Ecology Research Centre, China Acadeny Of Science , the pollution in Lanzhou was at pollution and medium pollution level ,higher than that in Beijing and Tianjing.
出处
《干旱环境监测》
1996年第1期42-44,共3页
Arid Environmental Monitoring
