基金Supported by the National Natural Science Foundation of China(11204001,11174004)Anhui Provincial Natural Science Foundation(2013KJS030026,1208085QA07,1308085MA04)+2 种基金the Higher Educational Natural Science Foundation of Anhui Province(2013KJT010021,KJ2013A031)Anhui University Scientific Research Fund(KYXL2012017,KYXL2013009,201410357005)"211 Project"of Anhui University(SZJYKC2013020,kyx12013009)
