基金Supported by the National Natural Science Foundation of China under Grant No.60135010 (国家自然科学基金) the National Grand Fundamental Research 973 Program of China under Grant No.G1998030509 (国家重点基础研究发展规划(973))
基金中国博士后基金(the Post-doctor Foundation of China under Grant No.20060390170)天津市高等学校科技发展基金(the Tianjin College Science and Technology Development Foundation of China under Grant No.20060610)