ZHANG Chi-Gong, LIANG Yan, YAN Fu-Feng, YAN Li-Jun, DOU Jun, LI Pan-Shan, WANG Li-Zhen, ZHENG Xian-Jun
2010, Vol. 68(9): 833-838
(Henan Provincial Key Laboratory of Surface & Interface Science, Zheng Zhou University of Light Industry, Zhengzhou 450002)