Affiliation: | 1. School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China 2. Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, Ministry of Education, School of Mineral Resource and Geoscience, China University of Mining and Technology, Xuzhou 221116, China 3. School of Geoscience and Environment, Anhui University of Science and Technology, Huainan 232001, China 4. Faculty of Engineering and Applied Science, University of Regina, Regina S4S0A2, Canada |