[1] Xian Univ Architecture & Technol, Key Lab Northwest Water Resources Environm & Ecol, Minist Educ, Xian 710055, Shaanxi, Peoples R China
[2] Xian Univ Architecture & Technol, Shannxi Key Lab Environm Engn, Xian 710055, Shaanxi, Peoples R China
[3] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
[4] Xian Univ Architecture & Technol, Coll Literature, Xian 710055, Shaanxi, Peoples R China