1Magnetization modification and pre-magnetization flocculta ion an d sedimentation of slime waterLI Jianjun, QIAO Shangyuan, ZHU Jinbo, MIN Fanfei, LIU Lingyun, ZHANG Liting1-4,112Research status and development trend of pulverized coal transportation by dense phase conveying system under high pressureLI Jun, LU Hong, GUO Yi, LI Xuan5-8,113Application of sieve bend with vibrating and striking function in Xiegou coal preparation plantLIU Xiaohui, QIU Guanglei, WANG Jiannan9-114Application of coal water slurry mass fraction improvement technology in Xinneng Energy CompanyZHANG Shengju, HE Guofeng, DUAN Qingbing12-14,195Application of respones surface meth odology on impor vement fo S henf u coal slurryabilityQU Jianlin, ZHANG Dongdong, ZHOU Anning, GONG Ming, YU Wei, SONG Chengjian15-196Cleaning potentiality analysis of harmful microelements in coalZHANG Bo20-247Application of strong brine from coal chemical industry in coal slime water settlingXIONG Liang, YU Guangxin, SUN Yuping, XIAO Gang25-288Coal characteristics and extension plan of Xiaoyugou coal preparation plantCHEN Jun29-319Optimization of coal slime water processing system in Qidong coal preparation plantWANG Hongsheng, XU Chuyang, FAN Zhongyue, LIU Lei, GOU Shanxin32-34,3810Technological process selection of Xingxian coal preparation plantZHANG Xinlong35-3811Comparison of nitrogen in coal by semi-micro Kjeldahl method and infrared thermal conductivity methodLONG Yaping39-4112Image segmentation method of slime floatation foam image based on machine visionXIE Peihong, XU Shoukun, LU Zhaolin, ZHOU Changchun42-4513Status and development suggestions of methanol industry in YulinLI Jian, YAN Long, LI Nina, KANG Yuhong, MA Yajun, CHEN Luyuan46-48,5414Research progress of direct coal liquefaction reaction mechanismLIU Min, SHI Shidong, QU Sijian, LIU Lilin, SHENG Ming49-5415Structures and composition of S and N compounds in direct coal liquefaction oilLI Weilin, SHI Zhijie, ZHANG Xiaojing, LI Junfang, HU Fating55-57,4516Deactivation and regeneration of Fischer-Tropsch cobalt catalystLI Jiabo, LIN Quan, SHI Yulin, HU Yunjian, LUO Xi58-6217Separation of methane/air by pressure swing adsorption with commercial molecular sieveLIU Chang, ZHANG Jinhua, CHE Yongfang, GUO Haoqian, LI Xiaoliang, LI Xuefei63-66,7318Status and development of lump coal pyrolysis and reactor design technologiesLIU Shuxian, MEN Zhuowu, GUO Yi, CHEN Aiguo, WANG Xianghui, CHEN Wei, WENG Li67-7319Applicat ion of high efficiency pulverized coal combustion technology in regional central heatingSONG Chunyan74-76,9020Influence of heat loss from smoke exhaust on thermal efficiency of industrial coal fired boilerZHANG Guoguang, SUI Yan77-79,84 