1Study on fully mechanized top-coal caving technology for ultra-soft extra-thick coal seam with high gas and hard roofPAN Wei-dong, NIE Xiao-dong, LUO Jian-yangSpecial Topic1-62Experimental study on failure mode of horizontal sublevel caving in steeply inclined thick coal seamYANG Sheng-li, ZHAO Bin, YANG YiSpecial Topic7-11,153Study on velocity field distribution characteristics of loose coal-rock flow in longwall top-coal caving miningZHANG Jin-wang, WEI Wei-jieSpecial Topic12-154Reasonable roadway position determination in steeply-inclined horizontal sublevel top-coal caving miningWEI Wei-jie, YANG Sheng-li, LI Liang-hui, ZHANG Jin-wangSpecial Topic16-195Top-coal failure process and its influencing factors in longwall top-coal caving miningWANG Zhao-hui, XIE FeiSpecial Topic20-25,296Numerical simulation of prefabricated fissures directional hydraulic fracturing in top coalLV Hua-yong, ZHANG Ya-ning, LIU FeiSpecial Topic26-297Research progress of automatic recognition of coal - gangue mixedness in longwall top-coal caving faceLI Liang-huiSpecial Topic30-348Research progress and prospect of coal caving at the ends of fully mechanized top-coal caving faceZHANG Ya-ning, XIE Li-he, ZHANG Dai-yueSpecial Topic35-37,429Study on section coal pillar size in gently inclined and extra-thick coal seamZHANG Jie, YANG TaoDesign Technology38-4210Preliminary exploration of joint development mode of coal-aluminum symbiotic resourcesLI Zhi-gang, YANG Yan-hong, JI Liu-tingDesign Technology43-4711Design method on reasonable scale for strip mining under buildings ( structures) in thick loess mining areaMENG Yi, PANG Zhen-zhong, ZHANG Xin-guo, YAN Yu-gang, LI FeiDesign Technology48-5112An explanation of "Code for energy conservation design on open pit mine of coal industry"CHENG De-ying, DONG Wan-jiang, LIU GuangDesign Technology52-5413Design of coal mine safety monitoring system based on ZigBee and information fusionWU Jing-hong, LIU XunDesign Technology55-58,6214Design of vibrating-powered wireless temperature sensing node for mineGUO Tao, YANG Xiao-jie, JIA Xiao-hanDesign Technology59-6215Design and application of intelligent micro-climate enclosure structure in underground electromechanical chamberSONG Xiang, ZHANG Bin, LIU ChangDesign Technology63-6516Research on improvment of fine coal recovery ratio in Qidong Coal Preparation PlantLI Meng-ting, ZHOU Bo-han, XU Chu-yang, WANG Yan-fenDesign Technology66-6817Discussion on structure design of high retaining wall in coal receiving pitLIU Jian-kang, ZHANG Zhen-yuDesign Technology69-7218Instability mechanism and the support technology of rail dip entry in high-stress soft rockJIA Zhi-ming, KANG Quan-yuConstruction Technology73-7619Support technology and width effect of large section coal roadwayZHANG Feng-yanConstruction Technology77-8020Undercutting construction of open tunnel with covered arch in shallow buried loess areaJIA Li-shu, LU Zheng-yan, HAN Ying-junConstruction Technology81-83,86 