Natural Science Founds from NSFC(39825126,30171102,30472079&30572279);National Basic Research Program of China(2006CB504100&G1998051113);Hi-tech Research and Development Programof China(2001AA624020&2003AA624020);Shandong Province Natural Science Foundation(Z2001C01);Qingdao Natural Science Foundation(04-2-JZ-81);China Ocean Mineral Resources R&D Association(DY105-2-04-02);Cheung Kong Scholars Programof Ministry of Education of China for the Cheung Kong Scholar(CUI Cheng-bin)