1Present Situation of Safety Production in Civil Explosive Industry in 2012 and Countermeasure ResearchWang Yanping, Zhou JuanSafety Production1-42Discussion on Improving the Quality of Span 80 Used in Emulsion ExplosiveLiu Qiurong, Huang ZhenghuaQuestion & Discussion4-73Discussion on the Disposal Methods of Waste-Propellant of Emulsion ExplosiveLv Guodong, Jiang Daoyou, Zhang MeihongQuestion & Discussion8-94Development of Non-primary Industrial Electric Detonator of Coal Mine Permissible Type with High Safety Flying PlateLi YulouExperiment & Research10-135Design of Electric Squib in the Mine Locomotive Fire Extinguishing DeviceQin Weidong, Zhang Dongping, Su ChunlongExperiment & Research14-16,196Study on Improving the Antistatic Ability of the Blue Shell Rigid Electric DetonatorShi ConglingExperiment & Research17-197Study on The Automatic Control System for Emulsion Explosive Production Line Based on Kingview and Smart CardZhou Xiaohong, Li Juanjuan, Jiang YananExperiment & Research20-238Research of Loose Blasting Technique for Hard Rock in Comprehensive Digging RoadwayTian Li, Wang Haibo, Zong QiExperience Introduction24-26,319The Research and Application of Medium-length Hole Blasting Network Optimization Design in Heavy Section of Stone HeadHou Chuanyi, Wang Daoyang, Shen Xiaxia, Hu Xin, Zhang Kai, Liao HaiExperience Introduction27-3110Applied Research on New Short-delay Blasting Technique in Large Section Rock Roadway of Coal mineXu Shaoming, Zong QiExperience Introduction32-3411Monitoring and Analysis on Vibration Caused by Demolishing of Linkage Coal Storage BunkerHe Boying, Sun Yueguang, Zhang Chunyu, Zhu CuilingExperience Introduction35-38