基金Supported by the Research Fund for the Doctoral Program of Higher Education(20103401120002,20113401110001)the NNSF of China(11271371,11226247)+2 种基金the 211Project of AnhuiUniversity(02303129,KJTD002B,02303303-33030011,02303902-39020011,KYXL2012004,XJYJXKC04)the Foundation of Anhui Education Bureau(KJ2012A019,KJ2013A028)the Foundation of Anhui Provincial Nature Science Foundation(1208085MA13,1308085MA01,1308085QA15,1408085MA02)