1Research on comprehensive mine gas prevention and control technology system in mine with complicated geological conditionsYUAN Liang1-32Present status and development tendency of fully mechanized coal mining technology and equipment with high cutting height in ChinaWANG Jin-hua4-73Comprehensive technology for deep mine rapid constructionHONG Bo-qian8-114Theory and practice of comprehensive mine water prevention and control technology for mines in Kailuan Mining AreaZHONG Ya-ping, LI Jian-min12-155Detailed analysis on safety production in Henan Provincial Coal EnterprisesKONG Liu-an, ZHANG Wen-yong, LI Wu, Pan Hui16-18,226Development outlook of China coal liquefaction technologyZHANG Yu-zhuo19-227Comments on automation, information and digitalized mineTAN De-jian, XU Xi-kang, ZHANG Shen23-278Issues and countermeasures for research on harmful microelement in Chinese coalLI Sheng-sheng28-319Sustainable development strategy on circulated economy of coal industryCAO Dai-gong, YANG Chang-ming32-3410Cause of special water inrush accident occurred in Haizi Mine and countermeasuresLI Wei35-3811Gateway and pillar top coal caving mining technology in deep inclined seam with thickness between 3.5 to 10 mYAN Shao-hong, XU Hong-jie, FAN Yun-ce39-4212Safety and high efficient coal mining technology for coal mining face with shield supportsLI Jun-bin43-4713Safety mining operation of medium and small coal mines under thick loose layer basic rock in low depthGAO Zhao-ning, SHI Ping-wu, YAO Ling-kan48-5014Practices on spontaneous combustion prevention and control for fully mechanized top coal caving mining face in Fangezhuang MineSUN Jin-rong51-52,5515Research and development of VB and Surfer interface and application in surface ground displacement and deformationSUN Xue-yang, XIA Yu-cheng53-5516Gas drainage technology with short boreholes in stress reduced area of coal mining face with potential outburst dangerWEI Xiu-jun56-57,6217Rated production rate plus coefficient to adjust and decide production capacity of fully mechanized coal mining faceYI Han-hua, YU Zhong-ming58-60,8718Formation mechanism and discernment of sink hole in Karst of deep inclined strataHUANG Xiang-kuan61-6319Mine construction schedule controlled by multi scheme network planBAI Yue, WU Zhen-yu64-6620Application of comprehensive mine dust prevention and control technology to coal mining face with light weight hydraulic powered supports in Fangezhuang MineYANG Ya-quan67-68 