1Technical Management of Safety in Coal Mine BlastingHan HuiSafety Production1-3,62Production Technology and Process Control of Bulk Emulsion ExplosivesSun Xiaodong, Di XiuliQuestion & Discussion4-63Study on the Safety in Production Process of Type Ⅰ/ Type Ⅱ Powdery Emulsion ExplosiveBai JianmingQuestion & Discussion7-94Analysis on Sensitization Technique in Emulsion Explosives ProductionLIU Yu-hua, WANG Qing-tuQuestion & Discussion10-125Research Progress in Solving the Problem of DDNP Production WastewaterZhang Jinying, Zhang DongjieQuestion & Discussion13-166Discussion on Factors Influencing Delay Time Precision of Tungsten Type Delay CompositionZhao Pengfei, Ni Lei, Kuang RonggaoQuestion & Discussion17-19,277Study on the Methods of Improving the Step Medium-length Hole Blasting EffectMa Weici, Peng Wenlin, Le SongExperiment & Research20-238Experimental Study on Special Compound Wax for Antifreezing Emulsion ExplosiveHou Chuanyi, Shen Xiaxia, Wang Daoyang, Hu Xin, Liao HaiExperiment & Research24-279Research on the Synthesis Technology of Span-80Gao Changwen, Yin YatingExperiment & Research28-31,3410Application of an Acceptance Method of Emulsifier in Emulsion ExplosivesBao Chuanqi, Fang ZhimeiExperience Introduction32-3411Application of Fuzzy Control Technology on the Liquid State Ammonium Nitrate Storage TankQiao Xiuquan, Tong Jinqiu, Zhang Dongsheng, Zhou Jinxing, Guo Wenpeng, Li KuanExperience Introduction35-38