1Increasing production mechanism and key technology of gas extraction in coal minesSU Xianbo, SONG Jinxing, GUO Hongyu, LIN Haixiao, LIU Xiao, HAN Ying, ZHANG Shuangbin, LI Xianzhong, YU ShiyaoSpecial Review1-302Classified arrangement technology of freezing holes in deep and thick alluvium and its influence on freezing controlLI Gongzhou, LI Xiaowei, CHEN Honglei, LI Fangzheng, PENG FeiMining Science and Engineering31-383Study on hydraulic load test of waterproof lining in pore type water-bearing rockBO Dongliang, ZHANG Wen, WANG BaoshengMining Science and Engineering39-444Study on in-situ stress testing based on Kaiser effect of rock acoustic emissionLIU Libin, DUAN Dong, ZHENG ChaoyangMining Science and Engineering45-505Support technology of open-off cut in fully-mechanized mining face of large mining height with shallow buried depth and thin bedrockYANG Yuliang, XU Zhuhe, HAN HaoMining Science and Engineering51-606Study on layout and support technology of strongly disturbed roadway in contiguous coal seamDAI Wenxiang, PAN Weidong, LI Meng, ZHANG JianMining Science and Engineering61-677Study on high-pressure grouting technology with combined anchor and cable under high ground stress roadwaySUN Hailiang, ZHAO Jingya, SUN jiayueMining Science and Engineering68-738Analysis of coal mining dynamic disasters and study on prevention countermeasuresGAN LintangMining Science and Engineering74-809Study on co-existence mechanism of tensile-shear failure of rib spalling in large mining height working faceMA ZhaoruiMining Science and Engineering81-8710Study on microseismic activity law during change of anti-rockburst coal pillar widthWU Shaoguo, ZHAO Qian, LIU TaoMining Science and Engineering88-9411Study on stability of dangling structure in ascending mining contiguous coal seamsWANG Yin, FU Xingyu, KONG Linghai, ZHAO Yang, ZHANG NingboMining Science and Engineering95-10012Research on coal and rock seepage laws under different confining pressures and hydraulic pressuresLI Zhihao, CHEN Shijiang, DU Guangsheng, GAO Zhenwei, GU Yunfeng, LIU ShoubinMining Science and Engineering101-10813Research on pre-drainage gas equivalent width of roadway under seepage-stress couplingWANG Mingzhong, SUN Yuning, HAO FuchangMining Science and Engineering109-11514Research status and prospect of mine thermal disaster and rescue safety judgementGUO Jun, CAI Guobin, ZHENG Xuezhao, LIU Yin, JIN YanSafety Science and Engineering116-12215Study on regularity of three-dimensional spontaneous combustion zone in gob of narrow face with thick coal seamZHAO Wenbin, ZHAO Juan, LI Zhenwu, WANG Shengli, LI Yong, LU JiyuSafety Science and Engineering123-13016Optimizing and application of technical parameters of gas drainage by buried pipe in closed connection roadway of gobLIU Yanqing, SUN Yongxin, ZHAO Can, ZHANG Lang, LI WeiSafety Science and Engineering131-14017Contrast test of liquid nitrogen freeze-thaw cycle cracking effect between anthracite and coking coalYUAN Junwei, CHANG DuoSafety Science and Engineering141-14718Research on preparation and fire resistance performance of safety polyurethane reinforcing materialZHANG ZengyuSafety Science and Engineering148-15219Current status and development trend of core control technology for coal mining and tunneling equipmentZHU Wei, WANG Hong, LI Shoubin, ZHAO WenshengMechatronics and Intelligence in Coal Mines153-16020Research on methane monitoring mode of coal mining face based on edge computingQU Shijia, WU FushengMechatronics and Intelligence in Coal Mines161-167 