Hong-sheng Wang 1,*, Dong-sheng Zhang 2, Lang Liu 1, Wei-bin Guo 1, Gang-wei Fan 2, KI-IL Song 3,* and Xu-feng Wang 2 1 School of Energy Engineering, Xi’an University of Science and Technology, Key Laboratory of Western Mine Exploitation and Hazard Prevention with Ministry of Education, Xi’an 710054, China; [email protected] (L.L.); [email protected] (W.-b.G.) 2 School of Mines, State Key Labora...