摘要
简要介绍了环境空气质量状况的评价方法,利用该方法对九五、十五期间延安市城区环境空气质量状况及其污染变化趋势进行了综合评价与原因分析,最后得出结论并提出相应建议。
The evaluation method of ambient air quality has be introduced briefly in this article, and use this method to evaluate the ambient air quality status and analyse the causation of the ambient air pollution change tendency from 1996 to 2005 in Yanan city.the conclusions and the relevant advices be advanced finally.
出处
《延安大学学报（自然科学版）》
2007年第4期47-49,共3页
Journal of Yan'an University：Natural Science Edition
关键词
延安
城区环境
空气质量
Yanan
urban environment
air quality
