Supported by the Chinese National Science Foundation(21171002);the Natural Science Foundation of Anhui Province(11040606M55)and the Foundation of Education Committee of Anhui Province(KJ2010A015)
Supported by the National Natural Science Foundation of China(21171002);the Natural Science Foundation of Anhui Province(11040606M55);the Foundation of Education Committee of Anhui Province(KJ2010A015);the Assistance from the Fifteenth Project of Excellent Talent of Anhui Province,the"211"Project of Anhui University