Xu, Chang-Lin
Wang, Guo-Yin
Funding for this research was provided by:
National Natural Science Foundation of China (61272060, 61562001, 11601012)
Science and Technology Research Project of Ningxia Higher Educational Institution (NGY2016143)
Key Natural Science Foundation of Chongqing (CSTC2013jjB40003)
Research Project of Beifang University of Nationalities (2016SXKY05)