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Yang Guangming;Kou Huizhong;Liao Daizheng;Jiang Zonghui;Yan Shiping;Wang Genglin;Yao Xinkan;Wang Honggen
1999, Vol. 57(9): 998-1003
Nankai Univ, Dept Chem.Tianjin(300071);Nankai Univ, Ctr Lab.Tianjin (300071)