1Application status and tendency of information technology to coal mines in ChinaLIU Yan-long50th Anniversary of CCRI1-62Present status and development strategy of gas comprehensive control in China coal mineMA Pi-liang, CAI Cheng-gong50th Anniversary of CCRI7-113Present status and development direction of coal design industryPAN Guang-sheng, ZHOU Jing-lin50th Anniversary of CCRI12-154Research on ground behavior law of fully mechanized caving mining face in deep inclined seam of WangJiashan MineZHANG Li-mingTechnology and Experiences22-265Strata pressure law of reversed processing coal mining face influenced by uneven mining in bottom levelLIU Guo-xing, SUN Qing-yuan, ZHANG Xi-pingTechnology and Experiences27-286Practices on bolt and grouting support technology for high inclined soft and broken seam gateway in Taoyuan MineZHOU Xue-bin, FENG Guo-haiTechnology and Experiences29-317Research on bolt and grouting support mechanism and site application to mine soft rock roadwayZHANG Lian-fu, ZHOU Xue-bin, WANG Duo-chunTechnology and Experiences32-358Application of construction completed set technology to long strike gateway driving along next goaf in soft roof,coal and floor seamZHOU Xian-he, LI Yan-heTechnology and Experiences35-389Research on non-loaded switch on of mine flame proof mobile transformer substationHU Ji-hong, ZHOU Jin-ping, LI HuiTechnology and Experiences39-41,4410Artificial angled drilling technology of high level long gas drainage boreholeHE Bo-wen, JIA Jin-fengTechnology and Experiences42-4411Practices on fire prevention and control technology for fully mechanized caving mining face in spontaneous combustion thick seam in Liangbaosi MineXIE Jun, CHENG Wei-min, LIANG Kai-wuTechnology and Experiences45-4712Application of high power submersible pump to mine water drainage system for mine productionDENG BoTechnology and Experiences48-5013Design on distributed located mine temperature monitoring and measurement systemLU ChaoTechnology and Experiences51-5414Research on mercury form distribution in flue gas and fly ash of coal-fired boilerYANG Xiang-hua, DUAN Yu-feng, JIANG Yi-man, YANG Li-guoTechnology and Experiences55-5815Integrated technology and application of management information system base on Web servicesZHANG Bing, ZHOU Wei-cong, CHEN Zhuo, XU Xiao-dongTechnology and Experiences58-6116Application of frequency converted speed control technology to reconstruction of coal mine water supply systemLIU PingTechnology and Experiences62-6417Blasting vibration affected to buildings in Majiata Open Pit MineHAN Wan-dong, MA Jian-xingTechnology and Experiences65-6718Rational determination of sectional coal size for fully mechanized coal mining face with high cutting height in high gassy mineDONG Wen-minTechnology and Experiences67-7019Development of fully mechanized coal mining technology in Xingtai Mining AreaWANG She-pingTechnology and Experiences71-7320Development and application of axial fan design systemQI Mei, GUO Chuan-jiangTechnology and Experiences74-76 