基金The National Natural Science Foundation of China(10726062)the National Natural Foundation of Fujian Province,China(2010J01005)the Science and Technology Development Foundation of Fuzhou University(2010-XQ-24)
基金Project supported by the Natural Science Foundation of China(No.60572093)Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20050004016)NSFC-KOSEF Joint Research Project and IITA Professorship Program of Gwangju Instiute of Science and Technology