1Present status and development of chinese mining, driving and transportion equipment in China coal mineHE Jing-de50th Anniversary of CCRI1-72Practices on fully mechanized longwall sub-level caving under complicated conditions in Changcun Coal MineMA Xiao-dongTechnology and Experiences9-123Application of gas drainage technology with large diameter horizontal borehole to Qianqiu Coal MinePEI Chang-he, QU Xian-chaoTechnology and Experiences13-154Type optimized selection and application of closed metal supportsGAO Ming-zhong, LI WeiTechnology and Experiences16-19,235Design on mine 3D mining subsidence prediction system base on IDLWANG Xing-feng, HAN Bao-ping, SUN Jiu-yunTechnology and Experiences20-236Application of ground radar to mine shaft liner grouting and result inspectionPAN Dong-ming, ZHANG Hua, ZHAO Xiu-junTechnology and Experiences24-267Design and practices of coal quality information management system base on J2EEWANG Jing-kang, MAO Shan-junTechnology and Experiences27-29,338Practices on dynamic water grouting and sealing in coal mineWANG Yu-qin, JI Huan-jun, YANG Yong-liTechnology and Experiences30-339Coal bunker raise-boring technology with hanging cage in central holeLI Si-biao, GUO Bao-de, WANG Gui-fa, HUANG Jing-wuTechnology and Experiences34-35,4010Aggregate material technology for Ordovician limestone water treatment in Niuerzhuang MineYUE Wei-zhen, WANG Tie-jiTechnology and Experiences36-3811Network control of DC speed control systemCAI Lian-qun, HE Feng-you, YUAN Wen-hua, TAO Yong-zhengTechnology and Experiences38-4012Determination of support parameters for mining gateway under high mining dynamic pressureCHEN Jun-sheng, NI Qing-junTechnology and Experiences41-4413Discussion on coal mining technology for seam above pressurized water body in Zhengzhou Mining AreaXING Ji-liang, LI Guan-liang, CHENG Zheng, ZHAO Deng-keTechnology and Experiences44-4614Design on information system of coal enterprise base on WAPMA Xiao-jin, ZHOU Yong, ZHAO Guo-wei, WANG Yi-fang, MIN Zhao-cuiTechnology and Experiences47-48,5115Design and application of mine tracking, positioning and communication systemYAO Shan-hua, FAN JunTechnology and Experiences49-5116Unloading point gas control technology for ground coal bunker in Chengzhuang MineZHANG Hai-jun, ZHAO Gao-feng, LI Xiang-chunTechnology and Experiences52-5417Structure control analysis on coal and gas outburst in Maoyingzi MineSHI Xiao-wei, ZHANG Yu-gui, ZHANG Zi-minTest and Research55-57,6118Research on electric magnetic radiation features of coal and rock failure in Chengzhuang Mine and applicationNIE Bai-sheng, ZHAI Sheng-rui, LIU Wen-bo, GAO HongTest and Research58-6119Research on biological membrane system to treat coking waste waterWANG Hai-yan, YANG Fan, WU Jun-nianTest and Research62-64,6720Design on controller of electric magnetic iron remover base on micro processor and touch screenYUE Xiao-he, WANG Shou-cheng, DUAN Rong-rongTest and Research65-67 