Funding for this research was provided by:
the scientific and technological innovation project of shenhua group (SHJT-16-28)
the science and technology project of shendong company in 2020 (202016000041)
the fundamental research funds for the central universities (2021YJSHH19)
the yue qi young scholar project, china university of mining & technology, beijing (2019QN08)
the research on ecological restoration and protection of coal base in arid eco-fragile region (GJNY2030XDXM-19-03.2)
Article History
Received: 7 July 2021
Accepted: 13 December 2021
First Online: 6 January 2022
Declarations
:
: Not applicable.
: Not applicable.
: The authors declare no competing interests.