1Statement on electric and hydraulic control of hydraulic powered support and mining face automation technologyLI Shou-bin, WEI Wen-shu, NIU Jian-feng50th Anniversary of CCRI1-52Development status and outlook of quality inspection organization of coal industryGAO Feng50th Anniversary of CCRI6-133Research on site measurement of ground behavior in fully mechanized caving mining face in high inclined seam of 1 000 m deep mineMENG Xian-rui, WEN Rong-feng, LIU Jie-ying, ZHANG Bao-youTechnology and Experiences14-17,214Bolt complex support technology for high horizontal earth stressed seam gatewayGE Miao-ying, LIU Li-pingTechnology and Experiences18-215Hydraulic powered support remove method for fully mechanized caving mining face in seam with variation inclination in Xiagou MineL(U) Zhi-hai, AN Jun-xiaoTechnology and Experiences22-246Design and application of mine shaft sinking with ground freezing in deep thick alluviumRONG Chuan-xin, SHENG Wei-guoTechnology and Experiences25-287Application of electric and hydraulic scale technology to auto hydraulic tension of belt conveyorSUN Shang-hang, JING Dou-kui, HOU You-fuTechnology and Experiences29-30,808Roof anchor support technology for gateway of fully mechanized mining face with light weight hydraulic powered caving supportsZHU Jiang-hong, YANG Jian-hui, YE LiangTechnology and Experiences31-32,359Application of 3D tetrahedrold mesh to calculation of coal reservesGONG Jun-fang, WU Xin-cai, LIU Xiu-guo, LI Sheng-wenTechnology and Experiences33-3510Research and application of new dynamometer for anchor or boltWU Zhi-gang, JU Wen-junTechnology and Experiences36-3811Implementation of comprehensive automation network system in Dafosi MineXIA LiangTechnology and Experiences39-4212Research and manufacturing of low voltage comprehensive protector for mine mobile transformation stationQU Li-guo, HUANG You-rui, LING Liu-yiTechnology and Experiences43-4713Design and practices on software of monitoring and control data collector in telecom equipment roomHAO Ling-pei, JIANG Yu, ZHENG Hong-rui, GUO Li-boTechnology and Experiences47-5014Practices on flame proof sealing technology for mine high gassy water flooded roadwayZHOU Fu-bao, WANG De-ming, ZHANG yu-liang, LI Xiang, ZHOU Jian-xinTechnology and Experiences51-5415Creep performance status and parameters of deep clay frozen in Wanfu MineLI Yao-min, JIANG Zhen-quan, LI Xiu-han, XIAO Li-jiaTechnology and Experiences55-5716Application of colloidal fire extinguishing technology to fire disaster control of seam outcropDENG Jun, SUN Bao-liang, FEI Jin-biao, WANG Zhang-jin, ZENG Kun-jun, HU Zhong-guoTechnology and Experiences58-6017Anaysis on data sources of Web usage mining in coal enterpriseZHANG Zhen-nan, QIAN Xu, SHI You-laiTechnology and Experiences61-63,7218Prevention and control technology for side wall and roof falling in fully mechanized mining face in outburst soft seam with high cuttingWANG Jian-shu, HUANG Bing-xiang, WEI Min-taoTechnology and Experiences64-67,8619Analysis on sensitive normal test of bolt support parameters for mining gatewayGAO Fu-qiang, WANG Xing-kuTest and Research68-7220Features of fissure sharp in coal borehole and variation law with temperatureZHANG Yu-tao, WANG De-ming, ZHONG Xiao-xingTest and Research73-76 