1Research on the effect of cone angle based on numerical simulation on separation result of cyclone and its applicationLv Xiu-li, Zhang Li-qiangTest and Research1-3,72Research on flow field characteristics of dense medium cyclone with inclined medium inletLI Hai-junTest and Research4-73Solution scheme for over width on large-scale flotation machineZHANG Peng, LI Hong-qiTest and Research8-114Experimental research on classification of new hydrocyclone with double overflowDU Zhen-baoTest and Research12-155Research on effect of mixing pump on secondary coal slime in the process of pressure-fed dense medium cyclone separationSHANG Ai-min, FANG Cun-song, LU Yi-fanTest and Research16-206Research on on-site coal slurry recycling technology for underground kilometer drilling rigZHAO Long, WANG Hui-fengTest and Research21-24,287Experimental study of fluorite ore separation by teetered bed separatorHUANG Ya-feiTest and Research25-288Research on minerals transfer and graphitization during Taixi coal calcinationsYANG Jian-guo, WANG Yu-ling, PAN DongTest and Research29-32,369Improvement of processing and assembling technologies for key parts of vibrating screenWANG Shu-junTechnology and Experiences33-3610Application of raw coal pre-desliming or non-desliming dense medium separation process in Gaozhuang coal preparation plant and their comparative analysisSU Huai-dong, ZHAO Wei, ZHU Shou-qi, XU Xin, WANG TaoTechnology and Experiences37-40,4411Research on HW12 screen plate for granular coal recovery in Chengjiao coal preparation plant and its applicationHAO Chun-jian, XU Shi-hui, JI Ji-xing, SHI WeiTechnology and Experiences41-4412Research on reducing medium consumption of Majialiang coal preparation plant and its applicationJIA Huai-junTechnology and Experiences45-4713Application of hydrocyclone with three taper angles in jigging processZHANG Yun-qi, CUI Guang-wen, SHEN Xiao-jun, ZHANG Yu, ZHAO Jian-jun, XU Dong-shengTechnology and Experiences48-5114Technical modification on flotation system in coal preparation plant of Henan Liyuan Group Co., Ltd.FENG Bao-fu, WANG Peng, WU Xue-lin, JIANG Ming-dongTechnology and Experiences52-54,5815The application of DZSN2431 three masses high frequency screen for tailings recovery in Dongqu coal preparation plantWANG Ya-weiTechnology and Experiences55-5816Optimization solution to scraper conveyor for lump coal distribution in Selian coal preparation plantMENG Zhi-jieTechnology and Experiences59-6117Discussion on coal preparation technology in underground roadwayWANG Na, Li Bai-yunissue discussion62-65,7018Application research on equipment conditions monitoring system in coal preparation plantCAI Xian-fengAutomation of Coal Preparation66-7019Research on chain protection device for scraper conveyor in Tunlan coal preparation plant and its applicationKOU Jin-chengAutomation of Coal Preparation71-7320Design of intelligent given density system for dense medium suspensionLI Guo-hui, SUN Jing-ping, LIANG XinAutomation of Coal Preparation74-76,93 