1. State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University, Jiaozuo454003, China
2. State Key Laboratory of Gas Detecting, Preventing and Emergency Controlling, Chongqing400037, China
3. China Coal Technology and Engineering Group, Chongqing Research Institute, Chongqing400037, China
4. State Collaborative Innovation Center of Coal Work Safety and Clean-Efficiency Utilization, Henan Polytechnic University, Jiaozuo454003, China
5. College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo454003, China
6. Institute of Science and Technology, Beijing Jiaotong University, Beijing100044, China