基金supported by the grants from the National Basic Research Development Program of China(No.2006CB500704)the National Natural Science Foundation of China(No.30930036,30870858)the Natural Science Fund for Distinguished Young Scholars of Shandong Province,China(No.JQ200807)
基金supported by the grants from the National Basic Research Development Program of China(No.2007CB516701,2006CB500704)the National Natural Science Foundation of China(No.30770757)