基金Project(20112120120003)supported by the Science and Technology Projects of Ministry of Education of ChinaProject(L2014120)supported by the Educational Commission of Liaoning Province,China
基金Supported by the Key Project with the Ministry of Education of China(209127)the Natural ScienceFoundation of Gansu Province(0803RJZA106)the Scientific Research Foundation of PostgraduateTutors of Education Department of Gansu Province(0711-01)
基金Supported by the Key Project with the Ministry of Education of China(209127)the Natural Science Foundation of Gansu Province(0803RJZA106)the Program for Longyuan Young Innovative Talents of Gansu Province,and the Scientific Research Foundation of Postgraduate Tutors of Education Department of Gansu Province(0711-01)