1Crack propagation modes and energy evolution within slotting disturbed zoneLIN Bai-quan, LIU Ting, ZOU Quan-le, ZHU Chuan-jie, YAN Fa-zhi719-7272Application of evaluation index system of coal and gas co-extraction and evaluation modelLIANG Bing, QIN Bing, SUN Fu-yu, WANG Yan, SUN Ya-nan, KHUONG Phuclo728-7353Coupling mechanism between flow rate of gas drainage and coal seam abutment stress under mining conditionsYIN Guang-zhi, HE Bing, LI Ming-hui, CAO Jie, QIN Hu, LI Wen-pu736-7414High quality gas channel and its construction method applied to coal and gas simultaneous extraction in deep miningMA Nian-jie, LI Ji, ZHAO Xi-dong, ZHAO Zhi-qiang, LIU Hong-tao, JIA Hou-sheng742-7485Experimental study on gas adsorption law in coal particle and its numerical analysisQIN Yue-ping, LIU Peng749-7536Experimental study on the characteristic of coal deformation during gas adsorption and desorption processNIE Bai-sheng, LU Hong-qi, LI Xiang-chun, LI Li, L(U) Chang-qing754-7597Instability of pillar collapse model and generation of cracks in thick coal seam mining at shallow depthXUE Dong-jie, ZHOU Hong-wei, REN Wei-guang, LIU Ya-qun, CHEN Chao-fan760-7658Relationship between failure characteristics and fracture spacing of surrounding rock of short-distance coal seams groupLIU Hong-tao, ZHAO Zhi-qiang, ZHANG Sheng-kai, LIU Guo-bao, BAI Yi766-7739Coupling mechanism of rock mass stress and gas flow in coal mining fissuresZHANG Dong-ming, QI Xiao-han, SONG Run-quan, YIN Guang-zhi774-78010Mathematical model of gas emission in coal particles and its numerical solutionWANG Jian781-78511Dynamic evolution rules of mining-induced fractures in different floor area of short-distance coal seamsZHANG Yong, ZHANG Chun-lei, ZHAO Fu786-79212Effect of coal and rock characteristics on ultrasonic velocityXU Xiao-lian, ZHANG Ru, DAI Feng, YU Bin, GAO Ming-Zhong, ZHANG Yan-fei793-80013Fractal characteristics of crack evolution in gas-bearing coal under shear loadingPENG Shou-jian, XU Jiang, ZHANG Chao-lin, FENG Dan, NIE Wen801-80814Guidance and control effect of drawing speed on excellent gas channel at fully mechanized longwall faceLIU Hong-yong, CHENG Yuan-ping, ZHOU Hong-xing, WANG Wei, ZHANG Hao809-81515Property research of grouting material produced by rock cuttingsGAO Ya-bin, YANG Wei, LI He, HAO Zhi-yong, LI Zi-wen816-82216Numerical simulation parameters and test of cutting and fracturing collaboration permeability-increasing technologyYAN Fa-zhi, ZHU Chuan-jie, GUO Chang, ZOU Quan-le, QIAO Shi-he823-82917Research on permeability characteristics of depressured protective layer in close-distance seam groupJI Wen-bo, QI Qing-xin, LI Hong-yan, LIU Zhao-yuan, ZHANG Lang, CHENG Zhi-heng, LIU Xiao-gang830-83518Research on permeability characteristics of raw coal in complete stress-strain process under different gas pressureZHANG Zhao-peng, GAO Ming-zhong, ZHANG Ze-tian, ZHANG Ru, LI Guo836-84219Impact of energy dissipation of coal samples with rockburst tendency from gas in its failure processSONG Zhen-long, HAN Pei-bo, LI Wen-pu, YIN Guang-zhi, LI Ming-hui, KANG Xiang-tao843-84920Study on influence law of coal pillar size on roof break structure and fracture development in fully mechanized working faceXU Xing-liang, WEI Hao, TIAN Su-chuan, ZHANG Bei850-855 