1Stimulation of the single-phase flow field of a large-sized cylindrical flotation machine with a cell volume of 60 m3LIU Chun-yanTest and Research1-52Analysis of the common internal factors influencing the separating performance of FGX-9 dry cleaning machineHU Bing-shengTest and Research6-93Exploratory experiment on reduction of stability of flotation frothGUO Jian-wei, SU Zhuang-fei, LI Zheng-ming, ZHANG Kun-long, TANG Yi-chun, WU Da-weiTest and Research10-144Quantitative analysis of the properties of different sizes of coal at Tunlan Coal Preparation PlantSONG XuanTest and Research15-185Study on formulation of coal industry technical innovation ability evaluation systemZHANG WenTest and Research19-21,326Research and application of the PAD gravity-flow type flotation pulp preprocessorWANG Wei-wei, LIU Yu-miao, CHEN Li-longTest and Research22-257Development and application of the pipe section-mounted self-discharging tramp iron separatorZENG Zheng-lin, WANG Cheng-sheng, LU JuanTest and Research26-278Application of the innovated secondary flotation process at Guobei Coal Preparation PlantGUO Chong-taoTechnology and Experiences28-329Notes on the scheme of SKT jig high-pressure air purificationLIN Guo-fu, LOU De-anTechnology and Experiences33-3510Optimization of coal cleaning process for better adaption to variation of raw coal propertyYU Hai-yingTechnology and Experiences36-4011Practice of management and control of flotation reagents and achievements obtained at Shiban Coal Preparation Power PlantZHANG Yong-qing, WANG Yong-sheng, LIN Fu-tanTechnology and Experiences41-44,5412Practice of renovation of coarse slime separation process at Lvliangshan Coal WasheryLIU Li-wenTechnology and Experiences45-47,8713The coarse slime separation system at Yangcheng Mine Washery underwent process re-adjustment and equipment optimizationLI Yuan-qing, ZONG Jian-wen, ZHANG Xing, PAN Bao-dongTechnology and Experiences48-50,5714Study and analysis of coal preparation plant washwater purification and reclaimation processDAI Hua-zhenissue discussion51-5415Application and calculation of the head of water pump in mine water drainage systemCUI Qing-biissue discussion55-5716Industrial application of intelligent control algorithm in separation of coarse slime with fluidized-bed separatorLV Yi-bo, JIANG Zhen-dong, YAN He-qing, SUN-feng, LIU Guo-dongAutomation of Coal Preparation58-6217Application of the NGAM-2008 natural gamma-ray ash monitor at coal preparation plants in southwest ChinaGE Xue-hai, BAI Yun-fei, CHEN Peng, ZHANG Li-gong, ZHANG Guang-chaoAutomation of Coal Preparation63-6618Application of the tailings thickening-pressure filtration on-line automation system at Gaozhuang Coal WasherySHAN Yong, SU Huai-dong, FENG Yong, ZHU Shou-qi, QU Yin-yuanAutomation of Coal Preparation67-7019Determination of density of flotation feed pulp using infrared optical transmission methodGAO PengAutomation of Coal Preparation71-7320The trusteeship management mode and its application and practice in coal preparation plantXU JianProduction and Management74-76 