[1] Southwest Univ, Coll Resources & Environm, Minist Educ, Key Lab Ecoenvironm Gorges Reservoir Reg 3, Chongqing 400715, Peoples R China
[2] Chongqing Ind Polytech Coll, Fac Chem & Pharmaceut Engn, Chongqing 401120, Peoples R China
[3] Chongqing Entry Exit Inspect & Quarantine Bur, Chongqing Engn Technol Res Ctr Import & Export Fo, Chongqing 400020, Peoples R China
[4] Chongqing Key Lab Agr Resources & Environm, Chongqing 400716, Peoples R China