1Experimental study on porosity and permeability characteristics of damaged coal in different shear end faces and confining pressuresZHENG Chunshan, DONG Yangyang, XUE Sheng, JIANG Bingyou, ZHAO YangMine Atmosphere and Gas Control1-82Study on multi-fractal characteristics of micropores in coal with different metamorphic degreesJIN Feiyang, CHEN Xuexi, GAO ZeshuaiMine Atmosphere and Gas Control9-173Molecular simulation study on competitive adsorption characteristics of CO2 and CH4 for 8#coal in Dongqu MineDENG Xiaopeng, XIANG JianhuaMine Atmosphere and Gas Control18-244Study on advancing speed effect of pressure relief gas transport and storage area evolution in fully mechanized mining faceYU Hanxu, XU Peixun, LIN Haifei, LIU Sibo, SHUANG Haiqing, LUO RongweiMine Atmosphere and Gas Control25-355Creep-seepage evolution of coal under different temperatures,confining pressures,and gas pressuresZHANG Leili, CAI Tingting, SHI Lei, JIANG Yulong, XIA JinMine Atmosphere and Gas Control36-456Study on the influence of coal pillar left by long-distance mining of protected layer on the mining of protected layerCHEN Xuexi, SHENG Guisong, GAO ZeshuaiMine Atmosphere and Gas Control46-527Gas content prediction simulation of unsaturated low coalification coal coresWEI Bo, ZHANG Ji, LI Xin, HU Yong, SU HongmeiMine Atmosphere and Gas Control53-598Effect and optimization of anionic and cationic surfactants on the performance of self-diverting acids in coalMIAO Yanping, ZHANG Jingui, ZHENG Xuhe, WANG Hongliang, ZHE Gang, XIE Yao, CHENG WeiminMine Atmosphere and Gas Control60-659Research of pressure relief and permeability improvement of hydraulic punching in soft and low permeability outburst coal seamZHANG ShuaiMine Atmosphere and Gas Control66-7210Pore characteristics of soft medium rank coal in Huainan Mining Area based on low temperature liquid nitrogen immersion treatmentLI Feng, XUE Sheng, TU Qingyi, ZHANG YuanyuanMine Atmosphere and Gas Control73-8311Influence of coal reservoir fracture pressure on fracturing reconstruction and its engineering applicationFENG XingkaiMine Atmosphere and Gas Control84-9012Experimental research on microbial dust suppressant for solidified dust based on MICPGAO GuangyiMine Atmosphere and Gas Control91-9813Coal spontaneous combustion disaster monitoring and early warning technologies and development trend for coal minesDENG Jun, ZHANG Qi, CNEN Weile, BAI ZujinMine Ventilation and Fire Control99-11014Effects of igneous rock erosion on spontaneous combustion properties and structure of coalHU Haifeng, YANG Yingbing, ZHANG Yunzeng, CHEN Minghao, GUO JiaceMine Ventilation and Fire Control111-11915"Trinity" treatment technology for fire area of joint mining in close coal seam groupsWANG ShuaiMine Ventilation and Fire Control120-12616Mechanism and prevention technology of large inclined workface retracement inducing rock burst in deep tectonic zoneLIANG Wenzhao, LIU Guolei, ZHENG Yuchao, WANG Feng, MENG Shengshi, CUI Yu, MA QiufengMine Ventilation and Fire Control127-13817Rock burst risk analysis and prevention measures of island working face mining in area of cutting-offTIAN Yongfeng, CAO Dongjing, XU Hongyang, WEI Minghua, TIAN Lihua, XUE Jianjun, XUE JianqiuMining Pressure and Strata Control139-14618Deformation mechanism and control of broken roof under the influence of advance bearing pressureHAO Yinghao, WANG Shuai, ZHANG Xin, WANG Mingliang, SU HaitaoMining Pressure and Strata Control147-15419Layout study of bottom drainage roadway in deep mining of very close adjacent coal seam groupGUO Minggong, LI Yanhe, SONG Dazhao, YANG Gang, QIU Liming, YANG ChengMining Pressure and Strata Control155-16520Deformation and failure mechanism of retaining gangue structure in hard roof cutting and roadway formationJIA Dongxiu, ZHAO Jun, FAN Lijun, ZHANG Yong, CHEN Xugang, LIU YuyueMining Pressure and Strata Control166-174