基金Natural Science Founds from NSFC(39825126,30171102,30472079&30572279)National Basic Research Program of China(2006CB504100&G1998051113)+4 种基金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)