REN Ai-Ling*,1,2, WANG Qi-Shan, GUO Bin2
2006, Vol. 64(10): 1068-1072
(1 College of Environmental Science and Engineering, Nankai University, Tianjin 300071)
(2 College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018)
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