Affiliation: | 1.China Huaneng Group Co., Ltd., Beijing, 100031, China ;2.Huaneng Coal Technology Research Co., Ltd., Beijing, 100070, China ;3.Transportation Institute, Inner Mongolia University, Hohhot, 010070, Inner Mongolia, China ;4.Weifang Xiashan271 Experimental Middle School, Weifang, 261325, Shandong, China ;5.Sihe Coal Mine, Jinneng Holiding Group Co., Ltd., Jincheng, 048000, Shanxi, China ; |