北京市冬季、春季PM
10
和PM
2.5
中元素地球化学特征
王的
, 冯海艳
*
, 景慧敏
Elements’ Geochemical Characteristics of PM
10
and PM
2.5
in Beijing During Winter and Spring
Wang Di
, Feng Haiyan
*
, Jing Huimin
北京市大气颗粒物采样点分布图