1Selection of coal mining method for Tashan MinHua Bin4-62Mine freezing shaft sinking technology for deep mine in Henan coal minesYANG Bin6-93Selection and diameter calculation of electric regulating valve for medium and small electric power plantsXU Bao-jing10-114Discussion on operation mode of mine substationsWANG Pu-zhou12-135Design comments on assembled beam of steel and concrete13-156Comments on general layout of surface ground in Lu'an Mining AreaYANG Ping16-177Construction technology of water probing and grouting to pass through rich water bearing zone in sandstone of inclined mine shaftHAO Zhong-tai18-208Application and practices of pre-stressed anchor technology to repair connection of mine shaftTONG Yun-gao, ZHANG Hai-li20-219Repair and support technology for soft rock roadway of extended belt conveyor dip entry in No.21 mining area of Changcun MineHE Man-chao, GUO Zhi-biao22-2410Practices on top coal caving technology with fl type steel beams to recover residue coalGAO Shan24-2611Comments on countermeasures to ensure transportation safety in mine inclined roadwayYANG Jian-qiang27-2912Existing problems and improvement proposals for completed application of fully mechanized coal mining equipmentWANG Yu-lin, HU Bi-lei29-3013Analysis on roof rock properties to select top coal caving methodMI Bao-qiang31-3314Research on top coal caving mining face with light weight hydraulic powered supports in high sectional slicing miningWANG Hua-jun, MA Jian-liang33-3415Application of Geophysical Well Logging Technology in Distinguishing Textural Soft-CoalLIU Ming-ju, LIU Yi, LIU Yan-wei, LI Wu35-3716Analysis on water inrush factors and discussion on water prevention and control measures for small coal mines37-3917Layout of observation network for ground displacement of slope and tolerance analysis on observation system40-4218Vibration control to improve lathing and cutting processing quality of stepped shaftLIU Zhi-yi43-4419Research on steel mesh, bolt and shotcrete support system applied to mine soft rock roadwayLEI Jin-bo, LI Mao-lin, Liu Fang-quan, XIANG Dong-de, GUO Lan-bo45-4820Assessment on danger of coal and gas outburst in Meihe No.2 MineZHAO Bao-chen, ZHOU Quan, LI Xian-jie49-51 