1Study on Reasonable Arrangement of Gas pre-drainage Borehole Along Seam in Outburst Thin Coal SeamMA Guoqiang, CHEN JiufuTest·Research1-52Study on pressure Unloading Effect of Lower Coal Seam Under Upper protective Layer in a Kilometer Deep WellDAI Zhixu, LIU QiangTest·Research6-93Gas Desorption Characteristics of Tectonic Coal and Its Influence on Coal and Gas OutburstJIN BingTest·Research10-134Influencing factors of Gas Seepage flow in Advance pressure Relief Area of a Mining SeamWU Dongmei, ZHAO Wei, SHI Dajun, QIU HaishengTest·Research14-185Study on preparation and properties of Compound Dust Suppressant Under Microwave IrradiationWANG Zhenyu, WANG FeiTest·Research19-226Experimental Study on permeability Improvement of Deep Hole pre-splitting Cumulative Blasting in Low permeability Coal SeamGAO Xinyu, LIU Jian, ZHANG Chao, ZHANG ChiTest·Research23-26,317Experimental Study on Combined Detection of Drilling Water Injection in Coal Mining faceLIU BaixiangTest·Research27-318Simulation Study on Detection of Collapse Column in Coal face Based on Transmitted Slot WaveMA Xin, YANG Sitong, LI Xinfeng, GUO Xiaodong, BAI Jinlin, WEN Zhijie, ZHANG LiangTest·Research32-369Temporal and Spatial Evolution of Surface Soil Erosion in Mining Subsidence AreasZHAO Ling, SU Tao, LI Jiewei, ZHOU Liang, FAN YuTest·Research37-4010Dynamic Characteristics and Deformation failure Mechanism of Composite Structure ConcreteLI Ling, QIAN Xuedeng, WANG KeTest·Research41-4511Influence of Argillaceous Content on Mechanical properties and failure Characteristics of SandstoneHAN Yingwei, WANG Guowei, MA HongfaTest·Research46-49,5312Orthogonal Experimental Study on Sensitivity of Yielding Tube Material Characteristic parametersQIN Zhongcheng, FU Biao, ZHOU Yang, SUN WeiTest·Research50-5313Structural Design and Experimental Study on Mechanical properties of Sand Column SupportZHANG Ruixin, LI Peng, WEI Bo, LU Jianyu, LI Shidong, JIANG Yaodong, KONG Biao, YANG Tao, ZUO YujunTest·Research54-57,6214Mechanical Characteristics and Acoustic Emission Characteristics of Limestone Triaxial Unloading After High Temperature EffectCHEN Haiqing, MENG LuboTest·Research58-6215Study on properties of Coal Gangue foam ConcreteZHENG Xiaolei, MA Qihua, CAO Furong, ZHANG QingyunTest·Research63-6616Study on Damage Strength of Sprayed Shotcrete with Accelerating Agent Under Impact LoadFANG Yue, MA Yadong, PAN Changchun, ZONG QiTest·Research67-7117Strip Gas pre-pumping Technology in Horizontal Well of Broken Soft and Low permeability Coal Seam RoofZHANG DongliangTechnology·Innovati72-7618prevention and Control Technology of Rock Burst During Excavation process of Gob-side Roadway with Hard RoofLI Yaowen, WEN Yingyuan, CAO Anye, XUE Chengchun, GU Yu, LYU GuoweiTechnology·Innovati77-8019Control Technology of Roadway Surrounding Rock with Strong Dynamic pressure and High Horizontal StressZHAO FeiTechnology·Innovati81-84,8920Water Disaster Detection Technology in Return Airway of Gaojiazhuang Coal MineLIU Chaolin1., LI Jun, GUO YingjieTechnology·Innovati85-89 