基金supported by the National Natural Science Foundations of China(60674036,60774004)the Science and Technical Develop-ment Plan of Shandong Province(2004GG204014)+3 种基金the Program for New Centuly Excellent Talents in University of China(NCET-07-0513)the Key Science and Technique Foundation of Ministry of Education of China(108079)the Excellent Young and Middle-Aged Scientist Award Grant of Shandong Province of China(2007BS01010)the Natural Science Foundation for Distinguished Young Scholar of Shandong Province
