1Comments on Preparation of Mine Feasibility Study ReportWANG He-deDesign and Technology1-32Rational Determination on Width of Support Mass along Side of Gateway Retained GoafCHEN Yong, BAI Jian-biao, XU Ying, ZHU Tao-lei, LONG Jun, KANG Wen-taoDesign and Technology4-73Countermeasures to Integrated Mine Design with Merger and Reorganized ResourcesJI Liu-tingDesign and Technology8-94Hydraulic Fracturing Technology Applied to Hebi No.8 MineYIN Wen-tao, DUAN Bao-hua, WANG Gen-qing, ZENG Guang-xiaConstruction Technology39-415Completed Set of Fully Mechanized High Cutting Mining Equipment Applied to Medium and Thick Seam with Complicated Geological ConditionsGUO Yu-huiProduction Technology56-586Optimization Research and Application of Comprehensive Dust Prevention and Control System in Underground Mine of Peigou MineDING Jin-hua, ZHANG Qiu-zhi, WANG Zhi-xinProduction Technology65-677Analysis on Hydrological Conditions of Coal mining in Low Group Seam in Shuangliu Mine and Mine Water Prevention and Control MeasuresHE Zhi-hong, LI Xiao-chen, LI Xi-binProduction Technology68-708Analysis and Optimization on Resistance Reduction Technology of Mine Ventilation System in Ultra Deep MineMO JiProduction Technology73-759Study on Numerical Simulation on Roof Falling Danger Grade of Shallow Depth StrataLIU Hong-tao, FAN Long, SONG Gao-feng, ZHAO Hai-xiao, TANG Da, HAN BinDiscussion on Research76-78,8110Study on Upper Limit Increased of Seam Group Mining under Incompact AlluviumHUANG Wan-peng, XIA Fang-qian, ZHAO Chun-jing, ZHANG Shao-feng, WANG ChaoDiscussion on Research82-8411Study on Angle Parameter Law of Surface Ground Movement in Huainan and Huaibei Mining AreasYU Yang, DENG Ka-zhongDiscussion on Research85-8712Establishment on Early Warning and Index System of Coal and Gas Outburst Base on Time DimensionNIU Ju-feng, CHENG Wu-yiDiscussion on Research96-9813Surface Mining Affected Water Resources in Ecological Weak Zone and CountermeasuresYUAN Ying-ju, CAI Qing-xiang, TANG Wan-jun, ZHOU WeiDiscussion on Research99-100,10414Study on Flowing and Desliming of High-Ash Fine Slime with Coarse Slime TBS SeparationXIE Yan-jun, LI Yan-feng, XU Shi-hui, ZHANG Xiao-bo, ZHAO Wen-da, WU Chao-longDiscussion on Research101-10415Study on Regenerative Braking Control Strategy of Trackless Rubber Tyre Electric Vehicle in Underground MineZHANG Chuan-wei, GUO WeiDiscussion on Research105-10716Prediction on Friction and Abrasion Performances of Disc Brake Applied to Mine Hoist base on Neural NetworkWEI Jian-rongDiscussion on Research108-10917Simulation and Application of Phase- Controlled Type Arc Suppression Coil to Electric Power Network in Coal MinePANG Hong-yu, YUAN Zhen-hai, HUANG Feng, ZHANG Li-juanDiscussion on Research110-11218Analysis and Improvement Measures of Shaft Broken Applied in Gearbox of Mine Belt ConveyorAO Bao-lin, ZHANG Jin-long, BAI Gan-qiu, LI Si-minEquipment Technology113-11519Research and Development of Remote Controlled Bridge Cross Over Scraper Conveyor in Air Returning Gateway of Fully Mechanized Coal Mining FcaeWANG YunEquipment Technology118-11920Evaluation Study on Control Capacity of Mine Safety LevelHU Shan-ting, LI Yu, ZHANG Zhong-bin, LI Xin-chunProject Management132-135 