1Key issues of coal and gas co-mining in thick seamWANG Jia-chen, FAN Zhi-zhongSafety and Technology Engineering1-5,492Prevention and control technology for spalling and failing of high inclined broken roof in fully mechanized mining faceLI Wen-chang, DUAN Wen-junSafety and Technology Engineering6-8,543Top coal failure mechanism and top coal falling control at front of fully mechanized longwall top coal caving mining faceDONG Li-hong, LIU She-yuSafety and Technology Engineering9-114Fully mechanized caving mining technology with high mining height in high gassy and soft thick coal seam of Tunliu MineLIU FengSafety and Technology Engineering12-155Optimized research on coal mining method of thin and medium steep inclined seamDUAN Hong-min, HU Xi-ming, WU Shi-zhenSafety and Technology Engineering16-18,226Experiment on mining upper limit improvement for fully mechanized longwall top coal caving mining face with thin overburden bedrock in Yangcun MineQIN Zhong-cheng, ZHAO Zhi-ye, LU Guang-qiuSafety and Technology Engineering19-227Bolt and anchor combined support technology for full seam gateway driving along next goaf in soft thick seamFENG Jing-boSafety and Technology Engineering23-268Research on bolt and grouting support technology for mine dynamic soft rock roadway in Qinan MineWANG He-zhiSafety and Technology Engineering27-299Analysis on measurements of freezing pressure in deep thick clay strataWANG Ren-he, KANG Yan-min, LIN Bin, LI Dong-weiSafety and Technology Engineering30-32,3810Monitoring and measurement technology for mine shaft freezing sinking project of Zhaolou Mine in deep thick overburdenSHAO Jing-zhu, Lü Shu-jie, WANG Wei, SONG LeiSafety and Technology Engineering33-3811Research on prediction index and critical value for coal and gas outburst area in Yi'an MineWEI Jian-ping, ZHAO Fa-jun, LIU Ming-ju, MOU Quan-binSafety and Technology Engineering39-4112Experiment research on coal physical oxygen sorption law with temperature and particle size variationLI Da-wei, WANG De-ming, GU Jun-jie, QI Xu-yao, ZHONG Xiao-xing, HUANG Ben-binSafety and Technology Engineering42-4413Experiment research on double tailing gateways applied to gas control of fully mechanized caving mining face with extra long mining lengthLING Zhi-qian, YANG Sheng-qiang, WANG Yi-jiang, XU Jia-lin, QU Qing-dongSafety and Technology Engineering45-4914Research and application of in-seam water injection technology to Furong MineLI Wei-xiong, ZHOU Zong-wei, ZHANG Xing-quanSafety and Technology Engineering50-5415AHP mathematics model for assessment of mine intrinsic safety managementWANG Zhi-hui, DU Chun-yu, DU Cui-feng, SONG Cun-yiSafety and Technology Engineering55-5816Development and application of horizontal screw type mine car cleanerNIU ji-yuanMachinery and Electric Automatization59-6117Analysis on several key technologies of JZ25T mine shaft sinking winchDONG Qing-hai, SUN Zhen-junMachinery and Electric Automatization62-6518Protection and measurement device of coal mine 10 kV electric power network base on C8051F micro processorWANG Jing-shuang, CAO Er-yeMachinery and Electric Automatization66-67,7319Design on coal mine underground water drainage monitoring and control system base on LabVIEWZHANG Ying-mei, TANG Hong-yingMachinery and Electric Automatization68-70,7720Research on integration of mine monitoring and control system base on CORBAZHANG Kai, YIN Hong-sheng, LIU Xiu-rong, WU JianMachinery and Electric Automatization71-73 