国家科技部高新技术计划项目( the National Ministry of Science and Technology High- Tech Foundation No.2005EJ000017); 河北省科技研究与发展计划( the Science Research and Develop Program of Hebei Province of China No.02547015D); 河北省普通高等学校博士科研基金( the Postdoctoral Research Program Foundation of Institutions of Higher Education of Hebei Province of ChinaNo.B2002118)