1. College of Safety Science & Engineering, Liaoning Technical University, Huludao, Liaoning 125105, China
2. Key Laboratory of Mine Thermodynamic Disasters & Control of Ministry of Education, Huludao, Liaoning 125105, China
3. School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
4. College of Mining, Liaoning Technical University, Fuxin 123000, China