1Calculation and Research on the Temperature Distribution Model of Dehumidification and Cooling Airflow in RoadwayLI Zongxiang, LIU Jiang, WANG TianmingTest Research1-42Study on the Distribution Law of Droplet Diffusion and Deposition of Long Range Air-assisted SprayerZHANG XiaotaoTest Research5-9,133Experimental Investigation of Degradation Efficiency on Coal Particles Adsorbing Methane Microbe at Different TemperatureZHANG Xiaoju, PENG Zhanjin, HUANG HuiyanTest Research10-134Thermal Insulation Performance Affected by Thermal Physical Parameters of Thermal Insulation Layer in Active Thermal Insulation TunnelZHOU Xihua, TANG Xiaoyu, SONG DongpingTest Research14-185Numerical Analysis and Experimental Verification of the Influence of Roadway Crossing on Mine VentilationHE Dongsheng, CHEN Mengmeng, BAI Changjiang, TANG HongqiangTest Research19-22,276Comparative Study on Mechanical and Permeability Characteristics of Raw Coal and Briquettes under Different Loading RatesCHEN Chunjian, ZHAO Yaojiang, ZHANG Hongge, GUO ShengliangTest Research23-277Numerical Study on Reasonable Width of Creep Pillar in Coal-rock Interbedded Thin-roof Section of Deep-well and High-stressZHANG YongguoTest Research28-328Research on Leakage Types and Efficient Sealing Technology for Gas Drainage BoreholeZHOU Houquan, SHEN Kai, CHEN BinApplication Technology33-36,429Research and Application of Surrounding Rock Support Design of Gob-side EntryLIANG Bing, CHEN Xiaojie, LI Gang, LI CunzhouApplication Technology37-4210Investigation and Application on the Effect of Pressure Relived and Permeability Enhanced of Ultra-high Pressure Hydraulic Slotting in Lvtang Coal MineLIU Zhiwei, ZHAO Jinming, ZHANG Yangqiang, ZHANG YongjiangApplication Technology43-4611Establishment and Application of Gas Emission Prediction Method in Mining Face of Steeply Inclined and Extra Thick Coal SeamLIU JunApplication Technology47-51,5612Effect and Correction of Filter Membrane Deformation on Particles Concentration Measurement of β-ray Attenuation MethodHE Zhenhuai, WANG JieTechnical Experience52-5613Research on the Technology of Long-span and Open-cut Hole Support in Secondary ExcavationZHANG Xiangdong, HU Yuelong, WANG ZhenTechnical Experience57-61,6814Bolt-grouting Support Technology of Sidewalls and Floor in Soft Rock Roadway of Deep WellLI Jinlan, LIU BinTechnical Experience62-6815Study on Integrated Optimization Model of CO SensorLIANG Shuanghua, WANG Yunjia, WEI LianjiangTechnical Experience69-7316Application of Regional Outburst Prevention Technology of Gas Pre-extraction by Long Borehole along Coal Seam in Huoshaopu Coal MineKUANG Yonghua, JIANG Zhongcheng, SHAO LinjinTechnical Experience74-7717Design and Analysis of Energy-saving Pneumatic Low-temperature Magnetizd Water Dedusting SystemHUANG Xin, YAO WeijingTechnical Experience78-81,8618The Assessment Method of Derivative Disaster Caused by Coal Mining in Loess Gully Region of Northern ShaanxiZHAO Bingchao, LU Xiaoxiao, HE Weizhong, LI Hui, WANG Guirong, HE ShenglinIssue Discussion82-8619Analytical Study on the Buckling Failure Mechanism of Steeply Inclined Coal Seam Floor based on the Theory of Post-bucklingLEI DaoxueIssue Discussion87-90,10320Establishment of Optimization Index System of Mine Ventilation System based on Factor Analysis MethodLI Yucheng, ZHENG Yi, GAO Junjun, HUANG XuIssue Discussion91-94,108 