1Numerical Simulation on Permeability Properties of Coal Containing Gas Based on Continuously Variable Temperature ConditionsWANG Gongzhong, XU XingTest·Research1-42Study on Fracture and Seepage Pore Fractal Characteristics of Tectonic CoalYAO Yupeng, JIANG Bo, LI Ming, QU Zhenghui, LIU JiegangTest·Research5-83Experimental Study on Influence of Coal Rock Bedding Effect on Methane Adsorption and DesorptionYANG Hongxing, YANG TianquanTest·Research9-114Effect of Firmness Coefficient on Tectonic Coal Gas Permeability and Stress-strainYANG Jingna, SU HuiTest·Research12-155Experiment on Cracks Dynamic Propagation Characteristics of Bedding Raw Coal in Static Blasting DamageMA Hongxing, ZHAO Yuechao, WANG Xinyan, XIE BeijingTest·Research16-18,226Experimental Study on Sealing Material Characteristics for New Gas Extraction BoreholesYANG Huijun, ZHANG Chao, LI Zhiliang, ZHANG JingfeiTest·Research19-227Study on CO Generation Laws in Underground Blasting ProcessSONG Shuanglin, ZHANG Zhanguo, WANG KunTest·Research23-258Noise Propagation Law of Local Ventilator in Straight Roadway with Different Surface RoughnessZHAI Cheng, YU Guoqing, XU Jizhao, TANG Zongqing, QIN Lei, WU ShiliangTest·Research26-299Dynamic Control of Rock Burst in High Stress Coal Pillar Area of Deep MineLI Jianfeng, HE Gang, ZHANG JizhouTest·Research30-32,3610Fissure Evolution Laws of Overlying Strata Based on Particle Flow TheoryWU Mengmeng, WANG GangTest·Research33-3611Simulation Study on Surrounding Rock Stability of Gob-side Entry Retaining at Fully-mechanized Working Face in Inclined SeamZHANG Peisen, KAN Zhonghui, WANG Minghui, ZHAO Shijun, LI Kai, MIAO WangTest·Research37-40,4412Compaction Characteristics and Application of Solid Filling MaterialWU Xiaogang, LIU Kang, GE Shuaishuai, XUE Kaihong, HE HanghangTest·Research41-4413Mechanical Model and Mechanism of Roof Separation in Gob-side Entry RetainingXIE Zhengzheng, ZHANG NongTest·Research45-4814Influence of Hard Top Coal Weakening on Caving MiningYUE Jiwei, YUE Gaowei, CAO HanshengTest·Research49-5215Study on Lateral Stability of Large Mining Height Hydraulic SupportCAO Lianmin, WANG Penghuai, WEI CuicuiTest·Research53-5616Research on Vibration Characteristics of Blasting Excavation in Rectangular Soft Rock RoadwayGENG ChengTest·Research57-6017Study on Positive and Negative Pressure Gas Transmission for Bundle Tube System of Coal MineBAI Guangxing, NIE Baisheng, YIN Jingmei, HU Shaoming, WANG Hanchen, JIA MingshuoTest·Research61-6418Research on Pipe Applicability of Pipe-jacking Type Small Section Tunnel Construction Technology in Coal MineWANG LeiTest·Research65-6819Fully-mechanized Mining Key Technology and Practice of Working Face in Soft Rock Protected LayerMENG Fanwang, YAN ShuyuanTechnology·Innovation69-7220"Pressure Measurement and Gas Drainage" Integrated Oil-type Gas Pressure Measuring Technology in Coal Seam FloorLI Chuan, CHEN Dongdong, MOU QuanbinTechnology·Innovation73-75 