Characterization and sources of water soluble inorganic ions in PM2.5 in winter in typical cities of China
LIN Xin,CAO Fang,ZHAI Xiaoyao,BAO Mengying,YU Shaocai,WANG Jingpeng,ZHANG Yanlin
Ecology and Environmental Sciences . 2019, (2): 307 -315 .  DOI: 10.16258/j.cnki.1674-5906.2019.02.012