1Study of Absorption Behavior of JFC on Surface of Coal Dust by SpectrophotometricYANG Jing, WANG Zhen-hua, TAN Yun-zhen, SHANG Yan-dongTest and Research1-32Study on Relations between Geological Structure and Various Parameters about Activated Water Fracturing FluidsXU Zhen-yong, WANG Yan-bin, YANG Yu, YANG Qin-lin, NI Xiao-mingTest and Research4-73Model of Approving Ventilation Capacity for High Gassy Production Coal Mine and ApplicationHE Jun-jie, CHEN Kai-yan, GUAN Qing-an, ZHOU Ting-yang, ZHANG Zhuo-huaTest and Research7-114Study of Determination of Sulfur Hexafluoride as Mine Tracer Gas by Gas Chromatography with Electron Capture DetectorXIAO Chun-yan, TAI Chao, ZHAO Tong-qian, WU Li, XU Hua-shanTest and Research12-145Research on Intelligent Manager Administer and Remote Monitor System of Mine VentilatorsLIN Lin, WANG Ding-yuan, XU FeiTest and Research15-176Study on Parameter of Pre-stress Truss and Anchor Rope Support in Coal Tunnel Based on Orthogonal Test PrincipleZHANG Bo, HE Fu-lianTest and Research18-217Application of Gas Drainage in Coal Seam Exposure with Outburst Danger in Vertical ShaftZHAO Jun-fengTechnology Experiences22-238Application of Tail Roadway Technology in Gas Emission Controlling in Gassy Full-mechanized FaceJI Li-xiangTechnology Experiences24-269Application of Vertical Windbreak in Upper Gas Accumulation Treatment in Working FaceWANG Xin-jianTechnology Experiences26-2810Application of Gas Drainage by High Roadway in Inclined Coal Seam and Sealing Roof FaceWANG Feng, ZHU Yong-Zhong, LAN Qiu-faTechnology Experiences29-3011Application of Three-phase Foam of Lack Nitrogen Technology for Fire Prevention and Controlling in Fully-mechanized Caving FaceMA Han-peng, WANG De-mingTechnology Experiences31-3412Gas Controlling Technology by Deep-hole Blasting in Underground Special Belt of Coal MineLUO Da-xian, MA Qi-xiangTechnology Experiences34-3713Application of Coordinate Converting in Ventilation System Graph Under CAD CircumstanceTechnology Experiences38-4014Water Flush Characters and Water Prospect & Drainage in Deep Level Gob of Baiji Coal MineZHOU Fa-ming, ZHANG Guang-lin, ZHANG Xiu-caiTechnology Experiences41-4215Comprehensive Controlling of Spontaneous Combustion Disaster in Gassy and Easy Spontaneous Combustion Full-mechanized Caving FaceTechnology Experiences43-4616Application of Cluster Analysis to Mine Water Source DiscriminationTechnology Experiences47-4917Application of WiFi Communication Technology in Underground Coal MineYANG Juan, GUO Jiang-taoTechnology Experiences49-5118Approximation Algorithm of Transmission Resistance of Mine Twisted-pair CableCHENG Ling-fei, SONG WeiTechnology Experiences52-5419Application of High Reliability Low Voltage Power Supply System and Equipment in Heading Face Underground Coal MineLIU Xiang-xin, CHEN Zi-chun, GAO Zhi-anTechnology Experiences54-5620Reserve Fan Power Supply Monitoring by Safely Monitoring SystemXIA Shu-gui, XU Chuan-gao, LIU LiTechnology Experiences57-58 