基金Supported by China Postdoctoral Science Foundation(20070410370)Shandong Provincial Science and Technology Foundation for Ph D(2007 BS04001)Natural Science Foundation of Shandong Province of China(Y2008 B 08)
基金Supported by Opening Found of National Key Laboratory of State Heany Oil,University of Petroleum Beijing(2006-01)China Postdoctoral Science Foundation(20070410370)Shandong Provincial Science and Technology Foundation for PhD(2007 BS 04001).