1Influence of coal pore development characteristics on in-situ injecting CO2 to replace and drive CH4WANG Meng, GUO Xiaoyang, DENG CunbaoTest·Research1-8,152Influence of supercritical CO2-H2O fluid on seepage pore structure of coalsWU Jian, LI WeiTest·Research9-153Evolution characteristics of cracks and strain energy during progressive failure of coal and rock masses around the holeMA De, ZHAO Yuyun, GUO Delong, TAI YulongTest·Research16-234Relationship between pore structure and gas permeability of raw coal and briquette coalSUN Liang, JIA Nan, YANG XingTest·Research24-305Experimental study on compressive strength of fly ash grouting materialHUANG Jingwei, REN Wanxing, ZU Ziyin, YANG Wei, LIU XinTest·Research31-356Influence of coal composition on heat storage and spontaneous combustion characteristicsZHAO Wenbin, ZHANG Peiwei, WANG Jinfeng, XU Xingkui, LI Zhenwu, WANG Shengli, LI YongTest·Research36-427Transformation law of coal low-temperature oxidation active groups based on subtraction mapWANG Fusheng, GAO Zhanxiang, GAO DongTest·Research43-498Study on development law of water-conducting fault zone in deep gently inclined double coal seam miningHOU Enke, LIU Bo, LONG Tianwen, XU Wei, WEI Qiming, MA JinyongTest·Research50-579Research on overburden movement and fracture evolution of repeated mining in shallow coal seams groupZHANG Jie, HE Yifeng, LUO Nanhong, GUO Jianping, WANG Bin, WU JianjunTest·Research58-6510Study on fine numerical simulation of pull-out test process of anchor rock with rebar anchorLIU Yaxin, XING Minglu, LIU Pengcheng, FU YankunTest·Research66-7411Experimental study on proportion optimization of gangue-based new solid filling materialsXIAO Bo, LI Yongliang, WANG Yuxuan, WANG ZixuTest·Research75-8312Development trend of large-scale coal mine gas management technology based on 5G networkTIAN Chen, LI Bin, ZHOU HaifengApplication·Innovation84-9013Experimental project and prevention and control technology of Ordovician limestone water disaster in Tangjiahui Coal MineGAO Yingui, KONG Wanjun, AN Shikai, XUE Xianming, ZHENG Liugen, CHANG Chenglin, JIANG Chunlu, GUO Wei, LEI Feng, WANG Gang, YANG ChengchaoApplication·Innovation91-95,10314Surrounding rock control technology of deep large section composite roof mining roadwayLIANG WenxuApplication·Innovation96-10315Application of comprehensive geophysical prospecting technique in geological prediction of coal mine working faceMA Yulong, LI Pengfei, ZHAO Xinghui, GAO Bin, ZHANG Jie, SUN RujiangApplication·Innovation104-11116Underground borehole-based grouting and filling technology to overburden separation induced by repeated mining for ground subsidence controlZHENG LijunApplication·Innovation112-11917Research and application of intelligent decision-making platform for gas excavation from standardCUI Cong, LI Xiaoshen, SHU Longyong, LI Hongyan, MA Yankun, ZHOU Yang, SONG XinDesign·Development120-12418Coal mine gas big data management and analysis system based on GISLYU Pingyang, MAO Shanjun, HOU Li, WANG Shuangyong, XU Ping'an, MAO MingsongDesign·Development125-131,13919Research on optimization method of sensor placement in large three-dimensional physical similarity simulationHAO Yuyu, LI ShugangDesign·Development132-13920Research on secondary node system architecture of coal industry Internet identity resolutionZHOU Xin, ZHOU Yuncheng, JIN Shujun, LIU Xiaodan, LIU Hui, GUO YuDesign·Development140-145 