1. Associate Research Fellow, State Key Laboratory of Mining Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China; Research Fellow, State Key Laboratory of Water Resource Protection and Utilization in Coal Mining, Beijing 100010, China; Research Fellow, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao 266590, China.
2. Co-Researcher, State Key Laboratory of Mining Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China; Ph.D. Student, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao 266590, China (corresponding author).
3. Research Fellow, State Key Laboratory of Mining Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China; Professor, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao 266590, China.
4. Co-Researcher, State Key Laboratory of Mining Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China; Postgraduate Student, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao 266590, China.
5. Engineer, Longgu Coal MIine, Shandong Energy Group Co. Ltd., Jingshi Rd., Jinan 250000, China.
6. Co-Researcher, State Key Laboratory of Mining Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China; Ph.D. Student, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao 266590, China.