1Research status and progress of coal seam acidification and permeability improvement technologyXIAO Zhiguo, HAO MeiMine Atmosphere and Gas Control1-72Optimization of high-pressure air jet parameters and analysis of erosion characteristics for similar materials in coal bodiesMA Heng, GONG Zheng, GAO Ke, SONG XinMine Atmosphere and Gas Control8-153Inversion analysis of three-dimensional geostress field in northwest Hancheng BlockZHAO Haifeng, YANG Changzeng, FENG Kun, ZHEN HuaibinMine Atmosphere and Gas Control16-234Original scale simulation of gas explosion at heading face in coal minesZHU Yunfei, WANG Deming, ZHAO Anning, ZHANG YutaoMine Atmosphere and Gas Control24-285Study on flow characteristics of CBM based on rough discrete fracture network modelLI Wenbin, ZHANG Shujin, HENG XianweiMine Atmosphere and Gas Control29-356Study on change characteristics of unit liquid injection volume during hydraulic fracturingJIA Zongkai, ZHANG Yunlong, SONG Guangming, SU WeiweiMine Atmosphere and Gas Control36-427Study on performance of environment-friendly double network hydrogel dust suppressantCHEN Zengjie, WANG Lijie, WEI JianfengMine Atmosphere and Gas Control43-498Influence of outlet parameters of wall attached air duct on dust control effect in heading faceWANG Jianguo, LI YaoyaoMine Atmosphere and Gas Control50-559Preparation and properties of chitosan-based water-absorbent resin dust-suppressing microcapsulesGUO Fenchao, ZHAO Yiyuan, ZHAO Guohui, LIU Kuan, LING Fengtao, SUN Yang, XING ZhanyiMine Atmosphere and Gas Control56-6210Evolution law of air leakage and oxidation characteristics of surrounding coal body in bedding gas extractionHE Haihong, TANG Hong, LIU Hua, GUO JunMine Ventilation and Fire Control63-7111Study on suppression characteristics of coal spontaneous combustion risk by nitrogen injection in extra-thick and high top coal cavingWANG Lixin, YAO Zhiqiang, WANG Xiaohuan, LIU Zhenguo, LIU WeiMine Ventilation and Fire Control72-8112Research progress and development trend of mine fire prevention and extinguishing materialsZHANG Yingxin, YANG Kang, LI Rijun, WANG Jiawei, TANG LuMine Ventilation and Fire Control82-9113Multi-field coupling numerical study of coal spontaneous combustion in U-shaped stope dynamic advanceQIN Jianyun, SONG Shuanglin, WANG Yongjing, LI Xiaochao, DANG Long, ZHU Peng, LI ShihaoMine Ventilation and Fire Control92-9914Research of stress wave and crack propagation superposition effect of double-hole blasting in coal and rock massXU Xuefeng, SHI PengkeMining Pressure and Strata Control100-10615Study on bump-prone property of coal under multi-stage confining pressure variable stress lower limit cyclic loading and unloadingZHANG Chuanjiu, DU Taotao, REN Jianhui, LI XuanliangMining Pressure and Strata Control107-11616Influence of particle gradation and timeliness on rheological properties of filling slurryZHAO Bingchao, CHEN Pan, ZHAI Di, ZHANG Jingui, WEI QimengMining Pressure and Strata Control117-12717Study on energy absorption characteristics of anchor support plate with microlattice dome topologyYANG Fawang, ZHANG Qinghe, LIANG Zhiwei, WANG MinggangMining Pressure and Strata Control128-13718Study on weakening of mechanical properties and ultrasonic law of sandstone under high temperature cycle loading and unloadingZHANG Yinhang, LUO Ji'an, HE Jun, WANG LiangliangMining Pressure and Strata Control138-14519Research on non-repeated advance support technology in mining roadwayWANG Qi, SONG Dejun, YAN DianhuaMining Pressure and Strata Control146-15320Surface dynamic subsidence prediction model based on multi-function crossover and its applicationWANG Wencai, WU Zhoukang, WANG Peng, SU Baoshan, YANG ShaochenMining Pressure and Strata Control154-160 