1. School of Energy Engineering, Xi’an University of Science and Technology, Xi’an, 710054, China
2. Key Laboratory of Western Mines and Hazards Prevention, Ministry of Education of China, Xi’an, 710054, China
3. College of Geology and Environment, Xi’an University of Science and Technology, Xi’an, 710054, China
4. College of Science, Xi’an University of Science and Technology, Xi’an, 710054, China