基金Supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China under Grant No.20070422107 (高等学校博士学科点专项科研基金)the Key Science-Technology Project of Shandong Province of China under Grant No.2007GG10001002 (山东省科技攻关项目)
基金Supported by the National Natural Science Foundation of China under Grant No.60373099 (国家自然科学基金) the Science and Technology Development Program of Jilin Province of China under Grant No.20070533 (吉林省科技发展计划)