Chen, Yan
Zhang, Ke-Zhi
He, Yong-Lin
Liu, Zhen-Lai
Zhu, Liao
Funding for this research was provided by:
the National Science Foundation of China (11364016, 11464010)
The Supporting Program for LongYuan Youth Innovative Talents in GanSu (2050205-2)
the National Science Foundation of GanSu (1606RJZG048)
the National Science Foundation of Institutions of Higher Education in GanSu (2016A-075)