1. School of Materials and Chemical Engineering/School of Safety Engineering, Ningbo University of Technology, Ningbo, Zhejiang 315211, China
2. Institute of Mining and Coal, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia 014010, China
3. School of Energy and Safety, Anhui University of Science & Technology, Huainan 232001, China
4. School of Resources and Safety Engineering, Chongqing University, Chongqing 400030, China
5. School of Safety and Environment Engineering, Hunan Institute of Technology, Hengyang, Hunan 421002, China