Li, Ang
Ji, Bingnan
Ma, Qiang
Ji, Yadong
Mu, Qian
Zhang, Wenzhong
Mu, Pengfei
Li, Liang
Zhao, Chunhu
Funding for this research was provided by:
Open Projects of Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources (KF2020-5)
National Natural Science Foundation of China (51874229)
Natural Science Foundation of Shaanxi Province (2020JZ-52)
Article History
Received: 13 July 2021
Accepted: 28 December 2021
First Online: 18 January 2022
Competing interests
: The authors declare no competing interests.