1Study on rock pressure behavior laws of coal seam mining under thin bedrock in super-thick alluviumZHAI Xin-xian, LIU Qin-yu, YU Chun-sheng, ZHAO Xiao-fan, LYU ChaoSpecial Manuscript1-82Discussion on design of deep mining in Huainan and Huaibei Mining AreaZHANG LeiQuestion Discussion9-12,163Research on ecological restoration management plan in mining areaLIU De-linQuestion Discussion13-164Research on in-situ stress distribution law of Luxin No.1 Mine based on hydraulic fracturing technologyTIAN Yan-fei, LIANG Jian-guo, WANG Zhen-gang, WANG Yong-jing, DANG LongQuestion Discussion17-22,265Research and exploration of smart mine constructionLU Xiao-kang, ZHANG ChenQuestion Discussion23-266Study on oxidative spontaneous combustion characteristics of raw coal and oxidized coalYUAN Yong-meng, HAO Ming-yue, LONG Li-huaQuestion Discussion27-32,387Feasibility study on "three zones"detection and upward mining of overlying strata in goaf under the condition of no coal pillar miningWANG GangQuestion Discussion33-388Analysis and research on failure factors of hydraulic support balance cylinderMA Si-xueQuestion Discussion39-429Experimental research on oxidizing gas index of No.2 coal spontaneous combustion in Shuguang Coal MineDU Xue-ming, LI Peng-long, Zhou Quan-chao, XU Hui-qian, QIAO Lei, YANG Sheng-qiangExperimental Study43-4810Influence of oxygen content on fluidity of CoCrW powder for selective laser forming in mine repairTANG Yue-yue, YE Guo-chen, ZHANG Ke, WEI Fang, YU YangExperimental Study49-52,5911Experimental study on inorganic sealing material of deep hole blasting bag grouting in roofCAO Yuan-wei, XU Da-lian, LI Bing, LIU Han-lei, SHEN Li-mingExperimental Study53-5912Study on stress distribution law of surrounding rock in shallow coal seam group miningXIAO Qing, LI Nan-junExperimental Study60-63,6913Study on deformation and failure mechanism of compound bedding weak layer slopeKarimov NodirbekExperimental Study64-6914Study on simulation and optimization of ventilation system in Zhangshuanglou Coal MineYAO Wen-yuExperimental Study70-7315Coal seam water flooding softening method and effect analysisLI Bing, DU Wei-qian, LI Yu-jiang, MA Qing, LIU Han-leiCoal Safety74-77,8216Division of gas geological unit and gas prevention and control in Xinzhuang Coal MineSONG Xun-dong, WANG Ping, ZHAO Chang-chuangCoal Safety78-8217Primary fracture in coal roof and technical countermeasures of pre-mining groutingZHANG Biao, MA Ji, HUANG Fu-qiang, CHEN QingCoal Safety83-8918Treatment method and practice of roof water disaster in working face under the condition of closed hydrogeological unitWANG Dong-renCoal Safety90-9419Application of directional long borehole gas drainage and outburst prevention technology in crosscut coal uncovering operationGUO XinCoal Safety95-9920Research and practice on online identification method of coal mine electric inspection robot equipmentSONG Guo-dongPractical Technology100-104