1Present status and development tendency of mine automation and communication technologyHU Sui-yan50th Anniversary of CCRI1-42Present status of coal chemical technology in China and development countermeasuresXU Zhen-gang, CHEN Ya-fei50th Anniversary of CCRI6-123Research and practices on length added technology of mine fully mechanized mining faceZHANG Xi-wuTechnology and Experiences14-17,214Design of lightweight type silt coal loader for water sump based on mine safetyMAO Ping-huai, YE Qi, BIAN Yong-meiTechnology and Experiences18-215Application on ICA in coal and rock interface identification of the fully mechanized miningZHANG Yan-li, ZHANG Shou-xiang, JIAO Lin-yue, WANG Yong-qiangTechnology and Experiences22-24,286Research on surrounding rock control mechanism and mining technology of fully mechanized mining face in high inclined seamMENG Xiang-rui, ZHAO Qi-feng, LIU Qing-linTechnology and Experiences25-287Dust measurement and control plan for stage loading point of belt conveyor coal transportation system in coal preparation plantJIA Hui-yan, MA Yun-dongTechnology and Experiences29-328Explanation technology of 3D earthquake information to analyze seam washing away and goaf statusPEI Wen-chun, WANG De-min, CHENG Zeng-qing, CAI Fu-lu, LIU HaoTechnology and Experiences32-349Research on mining influenced deformation law of mining gateway for fully mechanized caving and mining face in Dayang MineZHANG Mao-lin, WANG Xiao-dong, WANG Qing-di, JING Hong-wen, SONG Jin-hu, SONG Xiao-boTechnology and Experiences35-3810Optimized stress distribution and size of coal pillars in fully mechanized caving and miningLI Hong-wuTechnology and Experiences39-4211Application of releasing ring measurement and test to mine roadway support in enlarged section of Tao'er MineLI Yu-wen, WANG Shu-gang, SUN Li-hui, JIA Yin-ming, YANG Ben-shengTechnology and Experiences43-4412Application of hydraulic squeezing technology in coal seam with outburstLI PingTechnology and Experiences45-47,5213Design on management information platform of mine production equipment base on point inspection modelLIU Quan-lin, JIANG Wei-weiTechnology and Experiences48-5214Fully mechanized high cutting height and caving mining technology and hydraulic powered support selection in Guobei MineMENG Qing-kunTechnology and Experiences53-5415Develepment and application of high voltage frequency converted speed controller for mine main hoistYANG Shu-yongTechnology and Experiences55-5716Design on monitoring and control and wireless network system for mine surface substationWU Yong-xiang, WU PanTechnology and Experiences58-6017Research on time to set secondary support for mine soft rock roadway in deep mineLU Yan, BAI Jian-biao, ZOU Xi-zhengTest and Research61-6418Research on floatation performances of emulsified floatation agentSHEN Zheng-yi, ZHUO Jin-wu, KUANG Ya-li, CHEN Xiang-junTest and Research65-67,7119Research on tribo-electrostatic coal preparation ability of Zhongliangshan coalGAO Meng-hua, ZHANG Xin-xi, CHEN Qing-ruTest and Research68-7120Experiment and research on crack characteristics of borehole sealed with three phrase foamMA Shang-quan, CHEN Xue-xi, LIANG Wei, LIANG Yu-long, CHENG Gen-yin, GUO DeTest and Research72-75 