1. School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo, P. R. China
2. Energy Big Data Branch, Guizhou Coal Mine Design Research Institute Co., Ltd, Guiyang, P.R.China
3. Engineering Center of Mine Disaster Prevention and Rescue, Ministry of Education, Jiaozuo, P. R. China
4. State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University, Jiaozuo, P. R. China