1Experimental study on flotation of coking coal middlings using flotation columnSUN Feng-jie, TAO Xiu-xiangTest and Research1-42Study on fatigue strength design of the driving mechanism of the JLT series movable-sieve jigFENG Bao-huaTest and Research5-83Numerical simulation of the shallow-bath heavy medium separator's medium feeding parametersSHI Bing-sen, QI Zheng-yiTest and Research9-13,174Application of the ultracoarse magnetite powder in heavy-medium separation at Tianhong Coal WasheryYAN Qiu-fengTest and Research14-175Preparation and application of emulsified and micro-emulsified collectors in coal slime flotationZHANG Feng, QI Xin, LYU Fa-kuiTest and Research18-226Positive correlation of ash and density of gangue contained in raw coalWANG Xing-xing, ZHAO Hong-wei, SU Zhuang-fei, DING Xue-gang, TANG Yi-chun, WU Da-weiTest and Research23-257Technical transformation of the coal slurry drying system at Shuiquan Coal Preparation PlantHAN Wan-dong, LI MingTechnology and Experiences26-298Renovation and optimization of coal washing system for producing customized productsXUE Zhong-xin, GAO Yun, XUE Sheng-jun, LIU Bao-xue, CHEN Yu-pengTechnology and Experiences30-32,369Practice of technical innovation of the coal slurry treatment system at Fangezhuang Coal Preparation PlantLI Chun-jie, GAO Guang-heTechnology and Experiences33-3610Product structure optimization practice at Fuxiang Coal Preparation PlantYAN Rui-feng, ZHENG Chuan-baiTechnology and Experiences37-38,4111Product structure optimization effected at the coal preparation plant of Shaanxi Zhengtong Coal Co., Ltd., Zibo Mining GroupHAN Chao, DENG Ya-ming, LI Jian-zhongTechnology and Experiences39-4112Renovation of the system for recovery of concentrate from flotation tailings at Enhong Mine Coal Preparation PlantWANG Lei, YUAN Pei-shunTechnology and Experiences42-4413Technical development and application of the HW12 screen plate for sizing of raw coal at Tianhong Coal Preparation PlantYAN Zhi-gang, LIAO Xiang-guo, GUO Dong-mei, HAN Tian-yu, SHI WeiTechnology and Experiences45-4914Application of the gravity-flow pulp preprocessor at Matou Coal Preparation PlantWANG Wen-yuanTechnology and Experiences50-5415Study of the scheme for appraisal of operational performance of a coal preparation plant operating in professional management modeYU Guo-wei, LIANG Zhe, CAO Yangissue discussion55-5716R&D of the vibrating screen load condition on-line intelligent diagnosis systemZHAO Xing-lei, BAI LongAutomation of Coal Preparation58-6317Design of the X-ray detector for use in coal and gangue separation systemGE Xue-hai, BAI Yun-fei, CHEN Peng, ZHANG Li-gongAutomation of Coal Preparation64-6718Design of intelligent Donggou Coal Preparation PlantLI Yan-chongAutomation of Coal Preparation68-7119Study on realization of visualized coal preparation plant operation and equipment management system based on industrial Internet of ThingsYANG Shu-chao, GAO Jun-meiAutomation of Coal Preparation72-74,8120Tighten control of power consumption per ton of coal treated for improvement of economic performance of enterpriseSUN Xiang-linProduction and Management75-77 