1Study on Pore Sturcture Characteristics of Different Macerals in CoalZHAO Yongchao, NI Xiaoming, LI QuanzhongTest·Research1-4,82Experiment of Applying Active Carbon Measuring Radon Method to Monitor Hydraulic Fracture of Coal and RockLI Weitao, LIU Hongfu, ZHANG XinjunTest·Research5-83Experimental Study on Mechanical and Seepage Characteristics of Raw Coal Under Different Loading ConditionsCHEN Chunjian, ZHAO Yaojiang, YANG YangTest·Research9-124Application of Bound Water Drilling Fluid in CBM Horizontal WellDAI Kai, HU Wei, ZHANG Jianguo, ZHOU Lichun, WANG Gang, YUE QianshengTest·Research13-165Simulation Research on Coal-rock Compression Tests Under Different Loading ConditionsLI Jianle, ZHENG Shen, YAN Gang, WANG Kai, XIE YoucaiTest·Research17-206Physical Simulation Test of Hydraulic Borehole FlushingXU Jiang, WU Xuefeng, FENG Dan, TANG XupeiTest·Research21-247Study on Measurement Error of Absolute Adsorption of Coal-bed Methane in LaboratoryLIU Jingbo, YAN Min, WEI Zongyong, BAI Yang, LIU BaoliTest·Research25-288Influence of Effective Stress on Seepage Characteristics of Coal Under Thermal StressDUAN Shoude, ZHAO Honggang, LI YanzhiTest·Research29-329Optimization of Multi-component Acid Composition for Permeability Improvement Based on Different Mineral Contents in CoalLI Quanzhong, HU HaiyangTest·Research33-3610Mechanical Properties and Failure Modes of Coal and Rock Under Triaxial CompressionREN FeiTest·Research37-39,4311Simulation Research on Cavitation Flow Characteristics of Ultrasonic Atomization Nozzle for Mine Dust SuppressionLI Hongxi, ZHANG Jianlin, LIU Yanping, LIU QiuzuTest·Research40-4312Division of Coalbed Methane Dynamic Desorption Process Based on Weibull EquationJIANG Bici, WANG Kaibin, CHEN Gang, WANG XiaolongTest·Research44-4813Applicability of Surfactant in Fracturing Fluid Containing MicroorganismsWANG Qian, SONG Jinxing, SI Qing, YAO ShunTest·Research49-52,5614Experimental Study on the Minimum Detonation Length of Carbon Dioxide Fracturing DeviceMENG Xiangtian, LIU Pan, NI Hao, SUN XiaomingTest·Research53-5615Experimental Study on Spontaneous Combustion Oxidation Characteristics of Xinjiang Weakly Caking CoalWANG Kun, SONG Shuanglin, SHI Jilin, WANG Daqiang, ZHAO Yaming, CHEN QingfengTest·Research57-6016Formation Characteristics of Ice Crystals in Binary Ice Slurry FluidsBAI Yin, WANG ChangbinTest·Research61-6417Similar Simulation Experiment of Stagger Arrangement Roadway Layout in Three-soft Thick Coal SeamFAN Zhigang, WANG Huiyue, QU Xiaoming, REN Zhongjiu, ZHAO ZhiyanTest·Research65-68,7218Study on Water Abundance of Roof Aquifer of Coal Seam Based on Deposition Law of FormationsLIU Ji, YANG Jian, WANG QiangminTest·Research69-7219Experimental Study on Deep-hole Pre-splitting Explosion in Hard Roof Control of Fully Mechanized Caving FaceWANG JinxinTest·Research73-7520Study on Filling Effect and Measurement of Floor Failure in Paste Backfill MiningSUN Xikui, CHANG Qingliang, SHI Xianyuan, WANG Heng, LI XiangyangTest·Research76-79,84 