Zhang, Kaili
Zhang, Yan
Li, Shan
Li, Yuhui
Li, Baokun http://orcid.org/0000-0003-1191-8434
Guo, Zhuang
Xiao, Shigao
Funding for this research was provided by:
he Natural Science Foundation of China (32060548)
Key Laboratory of Highway Construction and Maintenance Technology in the Loess Region of Shanxi Transportation Research Institute (2018AB010, 2018AB015)
Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Land and Resources (XPRU202007)
Article History
Received: 7 April 2021
Accepted: 31 July 2021
First Online: 17 August 2021
Declarations
:
: The authors declare that they do not have any conflict of interest.
: This study does not involve any human or animal testing.
: Written informed consent was obtained from all study participants.