Funding for this research was provided by:
National Natural Science Foundation of China (51861145403)
National Natural Science Foundation of China (U1910206)
National Natural Science Foundation of China (51874312)
Yue Qi Distinguished Scholar Project, China University of Mining & Technology, Beijing (2017JCB02)
Beijing Natural Science Foundation (8184082)
Article History
Received: 25 November 2019
Accepted: 21 September 2020
First Online: 8 October 2020