Funding for this research was provided by:
Natural Science Foundation of Shanxi Province (201801D121043)
National Natural Science Foundation of China (21673132)
Key Projects of Shanxi Coal-based Low Carbon Joint Fund (U1710221)
Article History
Received: 3 November 2020
Accepted: 15 January 2021
First Online: 2 February 2021
Compliance with Ethical Standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.