基金国家自然科学基金(the National Natural Science Foundation of China under Grant No.60505008, No.60603086)国家自然科学基金优秀国家重点实验室专项基金资助项目 (the Key Program of the National Natural Science Foundation of P.R. China under Grant No.60723003)江苏省自然科学基金(the Natural Science Foundation of Jiangsu Province of China under Grant No.BK2007520)
