1Research progress of underground coal fire disaster mechanism,thermodynamic evolution and thermal energy utilizationXIAO Yang, ZHANG Erchuan, YIN Lan, LU Xing, DENG JunSpecial Column for Young Professionals1-182The effect of mine water pH on residual coal oxidation and its microscopic action characteristicsPAN Rongkun, WANG Zhiguo, HU Daimin, YUAN JiweiSpecial Column for Young Professionals19-273Research progress and prospects of drillhole destressing in the prevention of rock burstDU XuelingSpecial Column for Young Professionals28-404Study on the influence of driving force on growth kinetics of CH4 hydrate in coal mediumLIU Chuanhai, ZANG Qifeng, ZHANG Baoyong, WU Qiang, CHEN Ran, ZHANG Qiang, ZHAO ZiqiMine Atmosphere and Gas Control41-485Study on fracture propagation characteristics of hydraulic fracturing in steeply inclined coal reservoirsKANG Junqiang, JIAN Kuo, FU Xuehai, SHEN Jian, WANG Yibing, DUAN ChaochaoMine Atmosphere and Gas Control49-606Study on residual gas distribution in long extraction borehole based on negative pressure attenuation effectCAI Chunlin, JIANG Chengyu, GOU Rentao, XIA Xunpeng, WANG Chen, LIU WenchangMine Atmosphere and Gas Control61-687Optimization of multi-stage cluster spacing in deep coal seam horizontal wells considering cleatCHE Hengda, HUANG Hao, CHEN Mingzhong, KONG Xiangwei, GUO Lianglin, ZHANG HaoMine Atmosphere and Gas Control69-768Multi-physical field parameter response in the whole process of coal and gas outburst under deep high stressZHANG Qiang, NIAN Jun, ZHAO Bo, ZHANG WeiMine Atmosphere and Gas Control77-839Study on pore structure and fractal characteristics of fractured coal based on mercury injection and low temperature nitrogen adsorption testsCHEN Siliang, JIANG Zebiao, QUAN Xiping, YANG Xifa, MO QiaoshunMine Atmosphere and Gas Control84-9110Research on the effect of magnetic-electric coupling spraying dust reductionYAN Peng, WANG Cheng, DAI Zhenhua, LU Bin, GE Shaocheng, LIU XudongMine Atmosphere and Gas Control92-10011Study on gas seepage characteristics of loose coalZHENG Xuezhao, FAN Yongchao, YAN Ruijin, SUN Ziyu, HUANG YuanMine Ventilation and Fire Control101-10712Current situation and new technology prospects of hidden fire source location detection of residual coal spontaneous combustion in goafZHANG Duo, WANG Shuaihao, WEN Hu, DENG Jun, ZHAI Xiaowei, WANG WeifengMine Ventilation and Fire Control108-11913Research on the influence of particle size on thermodynamic characteristics and limit parameters of coal spontaneous combustionYANG PengMine Ventilation and Fire Control120-12914Isolated island attribute of working face based on coal column size effect analysisLI Yanzeng, XUE Weichao, XU Xingfu, LU ChuangMining Pressure and Strata Control130-13515Study on evolution law of overburden morphology in shallow coal seam mining of gully terrainCHEN Zetao, WANG Feng, LI Ting, HAN Chenghao, LU LangMining Pressure and Strata Control136-14516Research on long-term stability of coal pillar group in strip mining of inclined coal seamCHEN Yuanfeng, YANG Jing, MA Zhanguo, MAO XianbiaoMining Pressure and Strata Control146-15317Study on microcrack propagation and evolution of fractured coal-rock based on mineral particle modelLEI Ruide, SU Luo, HU Chao, LI Jun, ZHOU Linsen, HUANG Ling, GU QinghengMining Pressure and Strata Control154-16518Research on roadside filling body materials and reasonable width of gangue concreteYANG Gengqun, WANG Jun, SUN Yongkang, CHEN Xianhui, LI Wenpu, WANG TaoMining Pressure and Strata Control166-17519Water inrush mechanism of roof bed-separation and surface-underground combination treatment technology in Yuanzigou Coal MineDU Lin, LI Jianghua, LI Yaobin, HUA Ke, SUN Weicheng, LI Pengfei, ZHANG HaozheMine Geology and Water Hazard Control176-18520Research on mechanism and risk assessment of water and sand outburst in weakly cemented rock layers of Jurassic coalfieldsFAN Jiangwei, HUANG Haiyu, DING Xiang, LI Naijun, PU Zhiguo, ZHANG Yuguang, ZHAO LiguoMine Geology and Water Hazard Control186-193 