2Jinzhang Gao, Yanchun Zhao, Wu Yang, Jianniao Tian, Fei Guan. and Yongjun MaChemistry and Chemical Engineering College, Northwest Normal University, Lanzhou 730070, China.Sol-gel preparation and characterization of Co_3O_4 nanocrystals[J].Journal of University of Science and Technology Beijing,2003,10(1):54-57. 被引量:14