Yin, Lihua
Yang, Shaohua
He, Miaomiao
Chang, Yuchen
Wang, Kaijuan
Zhu, Yidan
Liu, Yuhui
Chang, Yaoren
Yu, Zhanhai
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (lzujbky-2016-k17)
Natural Science Foundation of Gansu Province (1606RJZA095)
Natural Science Foundation of Gansu Province (1208RJZA148)