1Scheme comparison on mine auxiliary hoisting method for Meihuajing MineYAN Zhi-gang, LI Tong-da5-72Analysis on key technology of mine shaft out wall for freezing mine shaft sinking in special thick alluviumYAO Zhi-shu, DENG Xin7-93Optimized design of underground coal mining above pressurized water strataXIONG Chong-shan, WANG Jia-chen10-114Wall design of high pressure water door for No. 21102 coal mining face in Sanhejian MineSUN Kong-ping12-145Survey and planning should be important content of mine general planningZHANG Jian-sheng14-156Comments on design of electric equipment arrangement for mine 35kV substationMao Yi16-177Design of arch trough for coal preparation plant in Haishiwan MineYUAN Zhi-an18-198The destruction causes of cantilever structure ofreinforced concrete and its counter-measureYANG Wen-xuan20-219Comments on design of mine hot water supply systemLIU Chun-ling22-2410Discussion on design of coal mine vegetation in desert areaYANG Ping24-2511Bolt ( or anchor ) support technology to control triangle coal roof in deep inclined seam with soft roof, soft coal and soft floorYU Wen-Bin26-2712Smooth blasting in soft and weak layer rock massMENG Hai-li, SHI Jian-jun28-3013Analysis on para-position deviation in rowed pillar erecting for assembling single floor industrial workshop31-3214Existing problems and countermeasures of mine gas drainageCHENG Jian-jun, CHENG Shao-ren33-3515Rule analysis of pseudo-inclined angle parameters for coal mining face36-3816Measures for safety and economic diffluence of high pressure zone and low pressure zone in central water heating systemLI Hai-yun38-3917Probability screen applied to coal-fired power plantJINAG Lu-jiang, LI Pan40-4218Concentrated factors applied to identify mine rich in waterLI Shi-feng, CHEN Zhi-bin43-4419Analysis on damage parameters and damage characteristics of coalSONG Jian-guo, ZHANG Ying-hua45-4620Research on accelerant for difficult floated coal of floatationZHANG Xiu-mei, GUO De47-48 