1Numerical Simulation Study on Mining Damage Repair and Supporting of +980 Roadway in Faer Coal MineSUN Shou-yi, DU Shu-yu, ZHAO Chang-zheng, LI Jiang, WANG Xing-yao, SONG Yu-zhu1-4,132Measurement and Analysis of Strata Behavior Laws in Fully-mechanized Caving in Coal MineQIN Dong-ping5-83Study on Technology of Driving Along Goaf in"Three Soft"Coal Seam of Deep MineKANG Cong-yong9-134Finite Element Analysis of Driving Drum of Heavy Belt Conveyor Based on ANSYS WorkbenchSHI Jian14-165Numerical Simulation on Low NOx Combustion Swirl-opposed Firing BoilerYU Rui-hong, WANG Tao-tao, WEN Lei17-226Research and Application of Fire Prevention and Extinguishing Technology in Fully-mechanized Caving Face Withdrawal in Large Inclination and Large Elevation Coal SeamWANG Zhen, WANG Peng-fei23-257Study on Mine Pressure Law and Surrounding Rock Control Technology of Dynamic Pressure RoadwaySHANG Yan-hui, XING Zhi-qiang26-308Experimental Research on Roof Cutting and Pressure Relief No-pillar Mining Technology of Hard RoofZHANG Guang-yun31-359Study on Application of Geophysical Exploration Technology in First Mining Face of Beixinyao Coal MineWEI Xiao-long, ZHU Ya-lin, FENG Guo-fu, WANG Bao-yong, ZHANG Qiang36-3810Study on Actual Measurement of Long Distance Working Face PenetrationSUN Hong-wei, WU Hong-li39-4111Study on Coal Pillar Stability of E1316 Fully-mechanized Caving Face in Gaohe MineZHANG Yong-ping42-4512Study on Technology of Roof Cutting and Roadway Protection in Deep Gob-side EntryLIU Jin-hu46-4713Key Technology of Intelligent Mining in Shuangxin Mining Co., Ltd.WEN Guo-hui, ZHANG Jin-hu, JIANG Qian-qian, LI Hua-jian48-5014Research on Mining Technology of Fully-mechanized Caving Face in Extra Thick Coal SeamXIE Qun51-5315Application of Down-the-hole Hammer and Tube Drilling Technology in Complicated Strata in Coalbed Methane Well DrillingZHANG Yong, HE Yi-fei, LI Min, WANG Yan-feng, YU Ze-jiao54-5616Exploration and Application of Coal Mine Geological Structure Based on Inclinometer While Drilling and Data Optimizing MethodCHEN De-qiang57-5917Application of Transient Electromagnetic Method in Roadway-protection Narrow Coal Pillar DrivingSHEN Guang-hui60-6318Treatment Technology of High Roof Caving Area of 2304 Track Roadway in Xinqiao Coal MineCHEN Shu-tao64-6619Application of Radio Electromagnetic Wave Perspective Method in Detecting Collapsed Column in Coal MineREN Chao, CAO Jia67-6920Trial Practice of New Type Fully-mechanized Excavator Pick in Coal Mine Driving FaceFENG Li-song70,76 