基金Supported by NSFC(No.10271017,No.11371133)Natural Science Foundation Project of Chongqing(No.cstc2012jjA00041)Chongqing Innovation Fund(No.KJTD201321)
基金supported by NSFC(No.10271017)Chongqing Municipal Education Commission (No.KJ101204,No.KJ091217)the Natural Science Foundation Project of Chongqing(No. cstc2012jjA00041)