TY - Front. Environ. Sci. Eng. A1 - Xiaojing SHEN,Junying SUN,Xiaoye ZHANG,Yangmei ZHANG,Lu ZHANG,Ruxia FAN T1 - Key features of new particle formation events at background sites in China and their influence on cloud condensation nuclei Y1 - 2016-10-01 JF - Frontiers of Environmental Science & Engineering JO - Front. Environ. Sci. Eng. SP - 5 EP - VL - IS - UR - https://journal.hep.com.cn/fese N1 - 10.1007/s11783-016-0833-2 ER -