1Analysis on Structure Deformation Features of Strata Above Coal Mining Face in Deep MineGUO Wei-jia, CHANG Xi-kun, YAN Wei-xiMining and Underground Engineering1-4,112Study on Displacement Failure Features of Deep Mine Soft Rock Roadway in Xieyi MineXIE Guang-xiang, CHANG Ju-cai, ZHANG Yong-jiangMining and Underground Engineering5-8,313Practices on Irregular Fully Mechanized Top Coal Caving Mining Along with Fault and No Coal PillarXU Ya-minMining and Underground Engineering9-114Selection on Depth and Diameter of Blasting Borehole for Rapid Heading of Mine Rock Roadway in Deep Level of MineYUAN Wen-hua, MA Qin-yong, LIU Han-xiMining and Underground Engineering12-14,465Support of Full Seam Dynamic Gateway in Ultra Thick Broken Seam Suffered with Igneous Rock IntrusionSONG Jin-wangMining and Underground Engineering15-17,576Anti Failure Technology of 100 m High Vertical Coal SiloDONG Rong-quanMining and Underground Engineering18-217Underground Excavation Construction of Metro Tunnel Based on Ground Freezing MethodLI Chang-chun, SHI Zhi-mingMining and Underground Engineering22-24,998Analysis on New Progress and Outlook of Mine Air Return Gas UtilizationLIU Wen-geSafety Technology and Engineering25-27,1209Experiment on Working Seam Advanced Pressure Releasing and Gas Drainage in Shigang MineYU Bei-jian, XU Jia-lin, WU Ren-lunSafety Technology and Engineering28-3110Experiment on Gas Explosion and Restricted Explosion in 0700 mm PipelineCAI Zhou-quan, LI Yong-huai, CHENG Fang-mingSafety Technology and Engineering32-34,9211Improved Momentum BP Algorithm to Calculate Air Flow Unstable Heat Conducted Coefficient of Surrounding RocksCHENG Wei-min, ZHUGE Fu-min, ZHOU Gang, WANG GangSafety Technology and Engineering35-37,5312Analysis on Mining Released Gas Sources for Surface Borehole Drilling and Gas DrainageCHEN Jin-hua, HU Qian-tingSafety Technology and Engineering38-4213Discussion on Promotion and Application Issues of HS Mine Active Restrained Explosion SystemNIU De-wenSafety Technology and Engineering43-4614In-seam Deep Borehole Drilling Technique in Soft and Outburst Thin SeamHUANG ZhiSafety Technology and Engineering47-49,8015Comparative Study on Mine Products Safety Certificate Management System and Other Products Certification Management Systems in ChinaYAO Yuan, CHEN Jie, WANG LeiSafety Technology and Engineering50-5316Research Status and Outlook of On-Line Monitoring and Control System for Mine Main VentilatorWU Xin-zhong, REN Zi-hui, MA Xiao-ping, LI SenMachinery Electric and Automatization54-5717Dynamics Behavior Simulation of Normal Stop Process for Belt ConveyorWANG Ai-bing, SONG Xing-yuan, HOU Hong-weiMachinery Electric and Automatization58-60,7718Application of FPGA to Wireless Video Transmission System of Cutting Cross Section in Mine Roadway Heading FaceLIU Chang, WANG De-guangMachinery Electric and Automatization61-64,6819Load Missing Analysis and Improvement Measures of Hydraulic Powered Leg Test RigCHEN Zhong-qiang, ZHENG Ben-fang, WANG Jian, YUAN Gui-feng, RUI FengMachinery Electric and Automatization65-6820Experiment Research on Bent Tube Resistance Loss Based on Hydraulic Pipeline Rheology Test RigQU Yuan-yuan, ZOU De-cheng, LIU Mi, LIU Hui, WU MiaoMachinery Electric and Automatization69-70,87 