Sun, Wanhong
Chen, Lihua
Sun, Yu
Su, Qiong
Wang, Yanbin
Liu, Juanli
Funding for this research was provided by:
the fund Key Laboratory and Engineering Center of Independent Study of Northwest University for Nationalities (zyp2015016)
funds of Central Universities Fundamental Research (31920160011)
the National natural Science Foundation of China (51563022)
the fund of Gansu Science and Technology Support Projects (1504GKCA093)