基金Supported by the National Natural Science Foundation of China under Grant(10971203,11271340)the Specialized Research Fund for the Doctoral Program of Higher Education(20094101110006)the Project of Young Backbone Teachers in University of Henan Province(2011GGJS-182)
基金Supported by the National Natural Science Foundation of China(1067118410971203)the National Natural Science Foundation of the Education Department of Henan Province(2010A110018)