1Outlook on Process Management Applied to Coal Exploration and Design EnterpriseLI Zhi-gangDesign and Technology1-42Practices on Technical Reconstruction of Coal Preparation Plant in Xinzheng Clean Coal CompanyZHANG De-fei, LUO Yu-cai, JIANG Jin-zheng, MAO Zhou-gang, MAO Ming, GAO Yu-xiDesign and Technology7-93New Realized Method to Restart High Voltage Frequency Converter When Power Lost InstantaneouslyJIANG Shi-yong, CHENG Ling-fei, LI Jin-geDesign and Technology12-144Analysis on Coupling Support Technology of Deep Mine Roadway and Application Effect in Xinli MineYAN Yu-biao, WU Jun-yin, LIU DaConstruction Technology19-215Study on Floor Reinforcement Technology and Numerical Simulation of Soft Rock Chamber in Deep MineWU Hao-ren, YANG Zhang-jie, WANG Qing-niuConstruction Technology24-266Seam Water Affected to Air Drilling of Seam Horizontal BoreholeWANG Jian-bin, JIA Ming-qun, WANG Li, CHEN LiangConstruction Technology35-377Study on Engineering Geological Features of Qiantang Baihu No.2 Binhu Block in New District of LanzhouMAI Zhen-jun, YU Yan-pingConstruction Technology38-408Practices on Hydraulic Sliding Support Applied to Top Coal Caving Mining in High Inclined and "Three Soft" Seam of Lugou MinePENG Hai-feng, MA Zhen-qian, DONG Guan-jieProduction Technology41-439Detection on Spontaneous Combustion Area in Surface Mine and Study on Comprehensive Control Technology of Spontaneous Combustion AreaWU Jian-ming, ZHANG Jin-hua, WU Yu-guoProduction Technology53-5610Analysis on Cracking Mechanism of Ventilation Roadway for Mine Air Returning Shaft in Niuxi MineWANG Bing-wen, QI Wei, FENG Le-le, MA Long, YANG Wei-guangDiscussion on Research57-5911Study on Migration Law of Overburden Strata Above Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam of Buliangou MineLI Dong-yin, ZHANG Xu-he, JIANG Dong-jieDiscussion on Research63-65,6812Application of Gray Relevance Analysis to Statistic Analysis of Coal Mine Casualty AccidentsLIU Xiang-lan, DONG Gui-gang, ZHU Ji-mingDiscussion on Research66-6813Study on On- Line Monitoring and Measuring of Local Discharge on High Voltage Capacitance Type CasingBAI Jing, MA Xiao-ping, CHEN Zhi-iieDiscussion on Research72-7414Discussion on Distribution Features and Influence Factors of Seam Gas Deposits in Erdaoling Mining AreaSUN Si-qingDiscussion on Research75-7715Study on Point and Plane Combined Outburst Prediction Index of Coal Mining Face Base SPSSLIU Xing-hai, ZHU Ling-qiDiscussion on Research81-8416Study on High Density Dyeing and Printing Waste Water Applied to Preparation of Coal Water SlurryZHENG Fu-er, LIU Yi-fan, LIU Ming-huaDiscussion on Research85-87,9117Experiment Study on Different Retarder Affected to Critical Temperature of Coal Spontaneous CombustionJIAO Xin-ming, WANG De-ming, ZHONG Xiao-xing, LI Jin-shuai, LEI DanDiscussion on Research88-9118Study on Flocculation Settling Processing of Coal Slurry Water Base on Model SystemWANG Guang-hui, CHEN Xue, KUANG Ya-li, SHEN Ying-songDiscussion on Research92-9519Seam Deposit in Sunan Buyi Mining Area Controlled by Structure EvolutionWANG Lu-chao, LI Lei, WANG Ji-linDiscussion on Research96-98,10120Drying Upgrading Affected to Surface Structure of LigniteWU Yi-feng, CHU Mo, CHANG Zhi-bing, FAN Tao, HONG Ai-bangDiscussion on Research99-101 