基金Supported by NSFC(10971124,11001160)the National Science Foundation for Postdoctoral Scientists of China(20090461281)+1 种基金the DrStart-up Scientific Research Foundation of SUST(BJ10-17)the Natural Science Basic Research Planin Shaanxi Province of China(2011JQ1015)
基金Supported by the Special Funds for Major Specialities of Shanghai Educational Com mittee NNSF of China (10371070) and the Nature Science Foundation of Educational Committee of Liaon -ing Province(2004C057).