Citation:
Tao J, Zhang RJ, Duan JC, Jing JS, Zhu LH, Chen ZM, Zhao Y, Cao JJ. Seasonal variation of carcinogenic heavy metals in PM2.5 and source analysis in Beijing. Environmental Science. 2014;35(2):411-417.
摘要:
Durinf April, July, October 2009 and January 2010, daily (24-h average) PM2.5 sample were collected at urban sites in Beijing and 29 metal elements were analized by the ICP-MS.