1Simulation Study on Gas Flow Field of Circulation Gas-water Atomization DeviceLIU Chunyang, GAO Guijun, LIU QiuzuTest·Research1-3,72Research on Gas Migration Output Features Based on Coal Body StructureMENG Jie, YANG Chengtao, WANG Hongpan, WANG Jinshang, ZHAI QingweiTest·Research4-73Research Development of Gas Outburst and Seepage TestLI Shugang, ZHAO YongTest·Research8-114Experiment on Relative Permeability of Gas and Water Based on Coal Unsteady-state MethodGAO Guoxiao, BAI Yunlong, HOU Tao, GUAN TongTest·Research12-155Dynamic Diffusion Coefficient New Model for Gas Diffusion in Multi-scale Pore of Tectonic CoalWANG Sijian, LI ZhiqiangTest·Research16-196Study of Gas Desorption Law for Coal Samples from No.9 Coal Seam in Haizi Coal MineZHANG Rong, ZHOU Hongxing, WANG Liang, XU ChuantianTest·Research20-237Experimental Study on Gas Migration Law in Goaf of Fully Mechanized Caving Face in Coal MineWANG Hongsheng, JIANG Zhong'an, DU Cuifeng, LUO JunfengTest·Research24-278Experimental Study on Surface Potential of Coal Measures Rock Samples Under Uniaxial CompressionNIU Yue, LI Zhonghui, LIU Jie, LI Xuelong, KONG Biao, SHEN Zhiwei, LOU QuanTest·Research28-319Research on Coverage Efficiency of Foam from Flat-fan NozzleZHU Xiaolong, WANG Deming, HAN FangweiTest·Research32-3510Research on Applicability of SDQ-73 Deep-hole Fast Sampling DeviceCHAO JianweiTest·Research36-38,4211Noise Distribution Laws of YBT32-2 Axial Local FanTANG Zongqing, ZHAI Cheng, WU Shiliang, ZHONG Chao, XU JizhaoTest·Research39-4212Viscoelasticity Research on Surrounding Rock of Deep Rectangular Roadway Based on Complex Variable FunctionNING DeyiTest·Research43-45,4913Research on Roof Water Inrush Mechanism and Waterproof Safe Coal Pillar of Laogongyingzi Coal MineYANG Peigong, ZHANG Yan, GUO YingjieTest·Research46-4914Experiment Study on Burst Tendency of 7# Coal Seam and Roof in Hongyang Coal MineXIA Hongman, WANG Jiong, CUI Jiasen, ZHANG Yilong, WANG Bing, SONG JingliTest·Research50-53,5715Study on Risk of Rock Burst Induced by Normal Fault ActivationXU Lei, WEI ShimingTest·Research54-5716Pressure Field and Tempreture Field Monitoring of Shaft Wall by Freezing Shaft Sinking in Rich Water and Soft RockLI Borong, YANG Gengshe, XI Jiami, CHEN XinnianTest·Research58-6217Study on Relation Between Stability of Extra-thick Rock Stratum and Rock Burst Prevention and ControlYAO Shunli, MENG Guangfeng, ZHANG Shengquan, LIANG Kaishan, CHENG GangTest·Research63-6618Research on Support Pressure Distribution Characteristics of Steeply Inclined Coal SeamZHANG Jiwei, GU Yadan, WANG Jin'an, WEN JiandongTest·Research67-7019Coal Mine Mining Subsidence Prediction Based on Parameter Adaptive Differential Evolution AlgorithmWU Chenghong, ZHA JianfengTest·Research71-73,7720Coordination Study on Filling Wall and Roof Movement of Gob-side Entry RetainingMA Rui, ZHANG Nong, ZHAO Guolin, LAN Yitian, HAN ChangliangTest·Research74-77 