基金the NSF of Beijing (1022004)the Foundation of organization depart ment in Beijing Municipal Party CommitteeDoctorial Science Foundation of North China Electric Power University
基金Supported by NSFC(No.11071108,No.11326099,No.11361042)Natural Science Foundation of Jiangxi province of China(No.2010GZS0147)the Youth Foundation of the Education Department of Jiangxi(No.GJJ13012)