1Research on High Rank Coalbed Methane Recovery Prediction Method and Drainage Process OptimizationWU XiupingTest·Research1-42Research on Effects of Blasting Vibration of Two Different Properties ExplosivesZHANG Yuanjuan, HUANG Jinxiang, ZHAO Xiang, FENG YusongTest·Research5-7,113Measurement of Effective Drainage Radius Based on Primitive Gas Content and Pressure for Slotted DrillingLIU Ting, LIN Baiquan, ZOU Quanle, SHEN Chunming, ZHANG Zhen, YANG WeiTest·Research8-114Research on Coal and Gas Outburst Features and Causes in Hebi Mining AreaGONG Chunsheng, ZHANG Mingjie, TIAN JiajiaTest·Research12-155Experimental Research on Critical Value of Outburst Danger Prediction Index for Ding6 Coal Seam in No.1 Coal Mine of Pingdingshan Tian'an Coal CompanyZHANG Jinjing, WEI Fengqing, LIU Shaobo, ZHAO GuodongTest·Research16-196Research on Pulsating Gas Drainage WayWANG Zhenping, WU Linfeng, ZHANG Hua, WEN Hu, WANG Weifeng, MENG Qinghua, CHEN JunweiTest·Research20-227Research on New Flexible Paste Borehole Sealing Material for Gas Drainage DrillingXIANG Xianwei, ZHAI Cheng, LI Min, PENG Shen, YU XuTest·Research23-268Experimental on Low-temperature Oxidation Mechanism of Coal Based on Oxygen ConsumptionYAO Yanna, WANG Junfeng, WU Jianming, ZHANG PingTest·Research27-309Experimental and Analysis of Pressure-gas Ejecting Orifice Dust CollectorYE Yaodong, CHENG Heyu, SHENG Huaxing, WANG ZhuliangTest·Research31-3410Research on Gas-geology Law of Ji15 Seam in No.12 Mine of PingdingshanGAO Jiancheng, ZHANG Yuzhu, LYU Youchang, SUN JuzhengTest·Research35-3811Research on Reasonable Sealing Hole Depth of Extraction Borehole Based on Drilling Cuttings TheorySHEN Hongmin, MAO Taoliang, ZHANG Leilin, YIN Hai, YUAN Guangming, YU ZhijinTest·Research39-41,4512Research on 90° Elbow Pressure Drop in Gas-water Mist Transportation PipelineLIU Zhichao, XIE Hechao, HAO Jingjing, LI YanboTest·Research42-4513Forecast on Development Height of Water Flowing Fractured Zone Based on Support Vector MachineTAN Xipeng, SHI Longqing, WANG Juan, JI Xiaokai, JING Xing, XING Tongju, LIU YunTest·Research46-4914Research on Gas Drainage Roadway Layout for Outburst Coal Seam Floor RockWANG HuiyueTest·Research50-5215Research on Reasonable Location of Outward Staggered Arrangement at Simultaneously Mining Working Face Crossheading in Close Distance Coal SeamsDU FengTest·Research53-5616Research on Deformation Laws of Uncovering Coal in Inclined Shaft Based on FLAC3DZHAO WeiguoTest·Research57-5917Law of Surface Movement and Overburden Failure for Paste Filling Fully Mechanized MiningLI XingliTest·Research60-6318Strata Behavior Law at Fully Mechanized Mining Face in Close Coal SeamsMENG Long, GAO ZhaoningTest·Research64-6719In-situ Measurement Study on Stress and Temperature of Frozen Outer Shaft Lining in Western Cretaceous StrataXI Jiami, QU Yonglong, YANG Gengshe, CHEN Xinnian, LI BorongTest·Research68-7120Evolution Law of Caving and Fractured Zone in Underground Mining with L-shaped Working FaceWANG Jia, SUN ShiguoTest·Research72-75 