Affiliation: | 1.Hulunbuir Vocational Technical College, Hulunbuir, 021000, Inner Mongolia, China ;2.Coal Gangue Heat and Power Plant of Inner Mongolia Mengtai Buliangou Coal Industry Co. Ltd, Ordos, 010321, Inner Mongolia, China ;3.Chifeng Industrial Vocational Technical College, Chifeng, 024000, Inner Mongolia, China ;4.Independent researcher, Liaoyang, 111003, Liaoning, China ; |