Tong, Yongchun
Wang, Yongcheng
Wang, Qingyun
Funding for this research was provided by:
National Natural Science Foundation of Gansu (No.1606RJYG220)
General Program of Key Laboratory of Hexi Corridor Resources Utilization of Gansu (No. XZ1606)
General Program of National Natural Science Foundation of China (21263023)