Supported by Natural Science Foundations of China(11261041;11271045;11461053);Natural Science Foundations of Ningxia(NZ15055);Research Starting Funds for Imported Talents of Ningxia University
Supported by National Natural Science Foundation of China(11271045;11261041);Natural Science Foundation of Ningxia University(NDZR1301);Startup Foundation for Doctor Scientific Research of Ningxia University