Sun, Qiang
Hu, Jianjun
Zhang, Yuliang
Funding for this research was provided by:
opening project of geological research institute for coal green mining (MTy2019-13)
national natural science foundation of china (41972288)
Article History
Received: 15 December 2018
Accepted: 19 August 2021
First Online: 9 September 2021
Declarations
:
: The authors declare that they have no competing interests.