基金supported by the National Natural Science Foundations of China(61325016,61273084,and 61233014)the National Science foundation of Distinguished Young Scholar of Shandong Province of China(JQ200919)the Independent Innovation Foundation of Shandong University of China(2012JC014)
基金Supported by the National Natural Science Foundation of China(10471056)and Trans-Century Training Programme Foundation for the Talents by the Ministry of Education