基金Supported by the Natural Science Foundation of China (10471059)the Natural Science Foundation of Anhui Province(070416225)+1 种基金the Natural Science Foundation of Anhui Education Bureau(KJ2007A003)the Faculty Fund of Anhui University
基金Supported by the Natural Science Foundation of China (10471059)the Natural Science Foundation of Anhui Province(070416225)+1 种基金the Natural Science Foundation of Anhui Education Bureau(KJ2007A003)the Faculty Fund of Anhui University