Ren, Heng
Zhu, Yongjian
Wang, Ping
Yu, Weijian
Li, Peng
Zhang, Yuqun
Funding for this research was provided by:
National Natural Science Foundation of China (51774130)
key laboratory of gas and roof disaster prevention and control in southem coal mines (969-E51770)
Article History
Received: 12 November 2019
Accepted: 13 August 2020
First Online: 29 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.