Wu, Zhonglan
Cui, Lijia
Zhao, Weiming
Yang, Dongzhi
Chen, Hui
Wang, Ruiqing
Wang, Xuemin
Zhang, Linqi
He, Tianhua
Funding for this research was provided by:
Ningxia Science and Technology Program - International Cooperation Program (2013ZYH193)
Ningxia Natural Science Foundation (NZ13217)