Gao, Yi http://orcid.org/0000-0003-4356-3455
Ma, Mingde
Funding for this research was provided by:
Science Research Project of Ningxia Higher Education Institutions of China (NGY2015152)
National Natural Science Foundation of China (NSFC) (11561055)
Science Research Project of Beifang University of Nationalities (2016SXKY07)