1Study on Rational Section Coal Pillar Size of Fully Mechanized Top Coal Caving Mining in Extra Thick and Hard SeamZHANG Yong-jiu, CHENG Yun-hai, LI Lin, LI Nai-luDesign and Technology10-132Design and Application of Coal Storage System in New Area of Coking Company Ma'anshan Iron and SteelFANG Xing, KAN Xing-dongDesign and Technology22-233Discussion on Gateway Retained Along Goaf Technology with Roof Breaking and Pressure ReleasingWANG Ju-guang, WANG GangConstruction Technology24-264Application of Hydraulic Fracturing and Permeability Improvement Technology to Low Permeability SeamLI Quan-gui, ZHAI Cheng, LIN Bai-quan, ZHANG Meng-bo, Li Xian-zhong, NI Guan-huaConstruction Technology31-33,365Repair and Reinforcement Technology of Mine Roadway under Sectional Coal PillarWANG Yuan-ming, FENG Wei, BAI Jian-biaoConstruction Technology37-39,426Technique of Reversed lnstallationmethod for Tower Silo StructureYANG Li-feng, WANG Shan-xinConstruction Technology43-457Analysis on Gateway Layout in Seam Underlying of Seam Group with Closed Distance in Caocun MineZHANG Sui-xi, ZHANG Dong-sheng, WANG Xu-feng, ZHANG Guo-hongProduction Technology46-488Fitting Clearance Control of Articulated Shaft to Prolong Service Life of Hydraulic Powered SupportZHANG Pneg-wu, SHI Ming-shuanProduction Technology54-559Gas Control Technology of Fully Mechanized Coal Mining Face in High Gassy and Low Permeability SeamXIE Sheng-rong, HE Fu-lian, YANG Hong-zeng, ZHANG Shou-bao, TIAN Chun-yangProduction Technology62-6410Optimization Reconstruction of Heavy Medium Recovery System in Coal Preparation Plant of Zhongtai Coking CompanyJIANG Shan-yong, ZHANG Kai, LIU Jiong-tianProduction Technology68-6911Discussion on Calculation Method of Coal Resource Scientific Mining IndexLI Dong-yin, XU Can-rongDiscussion on Research70-7212Prediction on Energy Requirements of China “12th Five Planning” Base on ARIMA ModelSONG Yu-chen, ZHANG Zhi-qiDiscussion on Research76-7913Study on Establishment and Application of Driving Time Aanlysis Method for Seam GatewaySHAN Ren-liang, CAI Wei-ling, WANG Yu-bao, XU Hui-ling, XU Jia-fuDiscussion on Research80-8314New Method to Measure Effective Gas Drainage Radius of Borehole in Outburst SeamLIU Yan-jun, SUN Yu-feng, JIANG Jing-yu, LIU Hong-yong, CHEN RuiDiscussion on Research86-8815Analysis on FLAC Simulation of Repair and Support Effect in Weijiadi Mine Transportation RoadwayREN Jian-xi, XU Xiao-bing, DANG Chao, XI Jia-mi, ZHANG Kun, CHEN Xin-nian, ZHNAG Yin-heDiscussion on Research89-91,9516Study on Surrounding Rock Deformation Failure Features and Support Technology of Gateway in Steep Inclined SeamWU Yong-ping, ZHANG Yong-tao, XIE Pan-shi, ZENG You-fuDiscussion on Research92-9517Study on Identification of Mine Pressure Bumping Dangerous Sources Base on Geophysical ResponsesPAN Jun-feng, ZHANG Yin, XIA Yong-xue, WEI Xiang-zhi, WANG Shu-wenDiscussion on Research96-98,10118Analysis on Factors Influenced to leakage Inspection of Transmission Line Model in Buried FieldCHEN Ya-yu, WANG Zhen-chong, NENG Chang-xin, DONG Lu, FAN Guo-liang, SU BoDiscussion on Research102-10419Study on Flow Uniformity of Air Intake Deflection in Ventilation Air Oxidized DeviceTANG Shuai, LIU Yong-qi, MAO Ming-ming, GAO Zhen-qiangDiscussion on Research107-11020Study on Wind Load Type Coefficient of Open Type Arch Light Weight Building RoofFENG Hai-ying, SHI San-yuan, GAO Hong-junDiscussion on Research111-114