国家自然科学基金(the National Natural Science Foundation of China under Grant No.90412006;No.90412011;No.60573110;No.90612016; No.60673152);国家高技术研究发展计划(863)(the National High- Tech Research and Development Plan of China under Grant No. 2006AA01A101;No.2006AA01A108;No.2006AA01A111);国家重点基础研究发展规划(973)(the National Grand Fundamental Research 973 Program of China under Grant No.2004CB318000;No.2003CB317007)。