1Notes on publicity and implementation of the national standard GB/T 35054-2018-《Coal Preparation Heavy Medium Cyclone Operating Performance Testing Method and the Performance Assessment Criteria》WANG PengOverview1-52Study on fine coal flotation based on mathematical modelYANG Chenguang, FENG Anan, ZHU Jinbo, YIN JianqiangExperiment & Research12-153Experimental study on the influencing factors involved in measurement of volatile matter content of coalLIU Jinlong, CAO HuiExperiment & Research16-184Experimental study on flocculation settlement of coal slurry water at Xiagou Coal Preparation PlantGUO Liangliang, GUO FanExperiment & Research19-21,265Application and analysis of the X-ray ash monitor in coal preparation plantZHANG Xiufeng, LI TaiyouExperiment & Research22-266Heavy medium vessel flow field simulation and structural optimizationWANG Lipeng, SHEN Ning, LIAN Yongqiang, ZHU Changyong, JING Zhi, YANG JianguoExperiment & Research27-327Application of the fine-slotted sieve bend for recovery of coarse slime in Pengzhuang Coal Preparation PlantZHAO Lijuan, YUAN Jinchao, SHI Jun, ZHANG Yao, HU ShunfeiExperiment & Research33-368Application of the double-layer flip-flop screen at Liujiakou Coal Preparation PlantSHI YunjiangEquipment & Technology37-41,499Application of the packaged coal washing technologies of Guohua Technology Company at ＞ 10 MTPY-capacity ultralarge coking coal cleaning plantZHAO Shuyan, ZHANG Xianxian, JI Zongshan, YU Yidong, WU ChaodangEquipment & Technology42-4910Practice of reducing medium consumption at Tingnan Coal Preparation PlantHU Yuanchao, WANG Hao, YAN YongOperation & Practice50-5211Innovation and practice of the 4 Management modes at Dawan Coal Mine WasheryLUO Yuanfu, LAI XueziOperation & Practice53-5612Analysis of the necessity of adding a small coal washing system at Muduchaideng Coal Preparation PlantSU QiangOperation & Practice57-6013General check-up and optimization of the washing systems of Zhongxing Mine Coal washeryZHAO YongliangOperation & Practice61-6414Study of the technology for high-precision separation of washed middlings at a large-size coking coal plantLIU Dewu, WANG Kai, WAN Guangxian, WANG Fengqi, ZHANG Peng, JIANG YaweiOperation & Practice65-6915Application of the building information management (BIM) technology in design of coal preparation plantSUN ZaizhengOperation & Practice70-73,7716Design and practice of the secondary flotation process at Tianzhuang Coal Preparation PlantXU XueweiOperation & Practice74-7717Design of coal preparation plant's networked automatic coal bunker level indication systemZHU Shuai, YANG Linshun, MAO Ning, ZHANG Haijun, YANG Mingjin, PENG ChenAutomation & Intelligence78-8218Application of the HMS system's clean coal ash closed-loop control technology at Linhuan Coal Preparation PlantYANG Xiaohong, LIU Yi, GUO Chongtao, YUAN MingpengAutomation & Intelligence83-8619Optimization of Xiegou Coal Preparation Plant's heavy medium suspension density control systemHUANG JianhuaAutomation & Intelligence87-9020Improved design of the control system of packaged pneumatic cleaning equipmentLIN Guofu, JIA JinxinAutomation & Intelligence91-94 