北京市冬季、春季PM10和PM2.5中元素地球化学特征
王的, 冯海艳*, 景慧敏

Elements’ Geochemical Characteristics of PM10 and PM2.5 in Beijing During Winter and Spring
Wang Di, Feng Haiyan*, Jing Huimin
不同功能区PM10和PM2.5中21种元素总浓度