基金教育部留学回国人员启动基金(批准号:[2005]546),云南省有色金属真空冶金重点实验室开放基金(批准号:[2005]VM02)和云南大学理工科重点项目(批准号:20042001A)资助项目Project supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars of the State Education Ministry of China (No. [2005]546) ,the Opened Project by the Non-Ferrous Metal Key Laboratory of Yunnan Province (No. [2005]VM02),and the Key Project of Yunnan University (No. 2004Z001A)