1. Ph.D. Student, State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, School of Mines, China Univ. of Mining and Technology, Xuzhou 221116, PR China. ORCID: .
2. Professor, State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, School of Mines, China Univ. of Mining and Technology, Xuzhou 221116, PR China (corresponding author).
3. Ph.D. Student, State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, School of Mines, China Univ. of Mining and Technology, Xuzhou 221116, PR China.
4. Master’s Student, State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, School of Mines, China Univ. of Mining and Technology, Xuzhou 221116, PR China.