1Calculation and analysis of maximum damage height of working face roofLI Shi-zhao1-42Analysis on rapid repair technology of 1180 main coal bunker in Dashuitou Coal MineSHAO Si-hua, SU Xue-you, ZHANG Ying-fang, LI Guo-sheng4-6,103Study on supporting technology of large section cutting roadway in low coal seam with close distance in Sanjiaohe Coal MineLI Guo-liang, ZHAO Yin-hu7-104Feasible study on small fully-mechanized caving coal pillar mining in deep and extremely-thick coal seamLI Chao, HUANG Zheng-gong11-145Development of coal mine roadway driving technology and equipment in ChinaAN Zhao-hui15-176Research on negative pressure two-times dust suppression technology of drum type coal mining machineWANG Feng18-207Analysis of "Three Zones" on fully-mechanized working face under U+L ventilation modeLONG Chun-tao, SUN Hai-bo21-22,608Analysis of overlying rock movement law in first mining face of Yushutian Coal MineHUANG Wan-si, TAN Wen-zhou23-259Development of leisure health industry in Coal EnterprisesWU Chao-hui26-2810Analysis of hydrogeological type division in Yushutian Coal MineTAN Wen-zhou, SUN Xian-li29-30,7511Discussion on ultra low emission route of supercritical circulating fluidized bed boilerZHANG Guo-hua, YANG Jin, WANG Two31-3312Optimization design of mine development plan of Kekegai MineCHANG Xiang-dong, WANG Qing-cang, GUO Hang-yun, LI Xiang-yu34-3613Study on grouting parameters and reinforcement technology of broken surrounding rock roadwayCHEN Ming37-3914Study on prevention and control technology of rock burst in deep stress area of working face with kilometer depthCHEN Hong-zhang40-4315Optimization of roadway bolt supporting technology in Bailu Coal MineDUAN Shi-wen, BEI Zheng44-4716Computer auxiliary design of four bar linkage of hydraulic supportZHANG hang48-5017Research and application of ventilation resistance measurement technology in working face of mineYUN Chuan-gui51-5418Design and application of wireless monitoring system for underground coal mining machineGUO Wei, FENG Shuai, DONG Xu-hui, LI Xiao-long54-5619Study on Technology of desulfurization and denitration integrated cooperative control in 350 MW supercritical CFB boilersLI Peng57-6020Analysis of problems encountered in the application of frequency converter in belt conveyorDAI Xue-dong, SHA Jiang-River61-62,66 