Institution: | 1.School of Resource, Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan, 411201, Hunan, China ;2.Hunan Provincial Key Laboratory of Safe Mining Techniques of Coal Mines, Hunan University of Science and Technology, Xiangtan, 411201, Hunan, China ;3.College of Mining, Guizhou University, Guiyang, 550003, Guizhou, China ;4.College of Mining, Guizhou Institute of Technology, Guiyang, 550003, Guizhou, China ;5.Guizhou Panjiang Refined Coal Co., Ltd, 550003, Guiyang, Guizhou, China ; |