【摘要】 本文主要针对广州地区冬夏两季气溶胶样品,应用扫描电镜/X射线能谱分析技术,对单个颗粒物进行形貌观察和组份分析;对于大量单颗粒的组份采用动态聚类法处理,广州气溶胶粗颗粒中的主要污染元素是Cu,Zn,Pb和Ag,Pb和Ag的存在是广州气溶胶的一个特征。更多还原

【Abstract】 Static sampler Was used for collecting Guangzhou aerosol samples at five sites in winter and summer 1988. The morphological observation and component analysis for individual aerosol particles were performed by SEM/XED,Dynamic cluster analysis was applied for data processing. On the basis of component differences of individual particles, different types of groups representing characteristic particles were obtained along with their component percentage concentrations, the enrichment factors of relative composition contents in main groups, and the distribution of coarse particles among groups.更多还原