基金项目: | National Science and Technology Project, No.2006BAK21B02; The Open Foundation of the State Key Laboratory of Loess and Quaternary Geology from the Institute of Earth Environment, CAS, No.SKLLQG0817; The Training Foundation of National Basis of Talents, No.J0630535; Foundation of Doctoral Program, No.20050284011; Test Foundation of Modem Analyses Center of Nanjing University, No.0209001309 |