Funding for this research was provided by:
National Natural Science Foundation of China (U1910206)
National Natural Science Foundation of China (51704278)
National Natural Science Foundation of China (51874312)
State Key Laboratory Cultivation Base for Gas Geology and Gas Control (WS2019A05)
Article History
Received: 6 May 2020
Accepted: 11 August 2020
First Online: 18 August 2020
Compliance with ethical standards
:
: The authors declared that they have no conflicts of interest in this work.