基金supported by the National Natural Science Foundation of China (No. NSF-11174069)the Natural Science Foundation of Hebei Province (No.E2011205083)+2 种基金the Key Item Science Foundation of Hebei Province (No. 10965125D)the Key Item Science Foundation of Education Department of Hebei Province (No.ZD2010129)the National High Technology Research and Development Program of China (863 Program,No.2007AA03Z100)