基金supported by the National Natural Science Foundation of China(Nos.11126348, 11001289)the Natural Science Foundation Project of Chongqing(No.2011BA0030)+1 种基金the Special Fund of Chongqing Key Laboratory(CSTC,2011KLORSE02)the Education Committee Research Foundation of Chongqing(No.KJ110625)
基金The National Science Foundation of China(No.11171363)the Special Fund of Chongqing Key Laboratory(No.CSTC2011KLORSE02)the Education Committee Research Foundation of Chongqing(No.KJ110625)