the Key Program of the National Natural Science Foundation of China under Grant No.60533110( 国家自然科学基金重点项目) ;the National Natural Science Foundation of China under Grant No.60473075;60703012;60773068;60773063( 国家自然科学基金) ;the National Grand Fundamental Research 973 Program of China under Grant No.2006CB303000( 国家重点基础研究发展规划( 973) ) ; the Key Program of the Natural Science Foundation of Heilongjiang Province of China under Grant No.ZJG03- 05( 黑龙江省自然科学基金重点项目) ;the Heilongjiang Province Scientific and Technological Special Fund for Young Scholars un-der Grant No.QC06C033( 黑龙江省青年科技专项资金) .