GENG Zhi-Yuan*, ZHANG Xing-Hui, WANG Yong-Cheng, FANG Ran ,GAO Li-Guo, CHEN Xiao-Xia, ZHAO Cun-Yuan
2006, Vol. 64(8): 772-778
(Gansu Province Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering,
Northwest Normal University, Lanzhou 730070)
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