1Progress of research on grinding process theory and equipmentYAO Lei, WU Di, XIE YongxinOverview1-82A study of the dynamic mechanism in low-rank coal separation with varying-diameter pulsed airflow separatorLI Dahu, WANG Lu, WEI Lubin, QU Qilong, WANG JianzhongExperiment & Research9-133Diagnosis and optimization of the technological process of fine coal flotation system of Guobei Coal Preparation PlantOU ZhanbeiExperiment & Research14-194Effect of emulsification of collector on slime flotationZHOU Zongfeng, ZHAO Qing, GAO Guangyu, LIU Feng, XU Jixiang, ZHU HongzhengExperiment & Research20-255Study of the technology for raw coal in-depth destoning under the condition of combined mining of contiguous seamsHAN Youlong, ZHAO Yude, SUN Fengshuai, CHENG Yulong, XUE Zhigang, KOU Zongyang, BAO Xicheng, LI YonggaiExperiment & Research26-316Effect of variation of feed rate on vibration response of double-mass horizontal vibrating centrifugeYANG JieExperiment & Research32-367Study of the pattern of migration of pollutants in coal preparation plant's emergentcy pond in underground waterFENG Yunyu, SUN Xiaodong, WU JiameiExperiment & Research37-418A study of the influence of size consist of magnetite powder on heavy medium cyclone's separation efficiencyLI Jinyan, ZHANG LiqiangExperiment & Research42-469Experimental study of the technological process for recovery of kaolin from flotation tailingsDENG MingruiExperiment & Research47-5310Study on optimization of the effect of flotation of the coal slime containing mudstone prone to degradation in waterSU Ke, LI Chunxu, JIANG Hanyue, CHEN Dongqin, WANG Yunlin, WANG Shu, BAO Xicheng, LI YonggaiExperiment & Research54-5911Study of the novel-type lining structure for extending the service life of heavy medium cyclone's guide tubeLIU DongExperiment & Research60-6512Study and application of the flotation tailings in-depth clean processWU Sheng, HUANG Herui, JIAO Xianguo, XU Peng, ZENG XianglinOperation & Practice66-7113The technical measures for reduction of medium consumption adopted by Shaozhai Coal Preparation PlantZHANG YahuiOperation & Practice72-7614Study on design of the surface grouting system for underground backfilling with refuse from coal preparation plantLIU Lijun, SONG Tianqi, GUO ZhanOperation & Practice77-8015Technical transformation and application of the coarse slime treatment system at Liangbaosi Coal Preparation PlantLI Junlu, WANG Wei, SUN Xiantong, JI DongdongOperation & Practice81-8516Study of the heavy medium cyclone damage dynamic monitoring and diagnosis systemLIU JinlongAutomation & Intelligence91-98