Supported by the Key Program of Excellent Youth Foundation of Higher Education in Anhui Province(2013SQRL071ZD);the National Natural Science Foundation for Young Scholars of Anhui Province(1508085QA04)
supported by NSFC(No.11001245,No.61202048);Talented Youth Foundation of Anhui Province Universities(No.2012SQRL020ZD,No.2011SQRL013ZD);the Scientific Research Foundation for the PhDs of Anhui University(No.33190141)
Supported by the NSF of China(11126173);Anhui Province Natural Science Foundation(1208085QA02);the NSF of China(10901002);the NSF of Anhui Province Education Committee(KJ2011Z151)