1The development of Emulsion explosivessensitized technologySun Dawei, Wang Yanping, Cui Gang, Li GuozhongSpecial Critique1-2,292Design of An Open Style Emulsifier with Large CapacityWang Guiman, Chen Gang, Zhou KangboExperience & Research3-63Development and application of Multiple station fully automatic high speed charging machineLI ZhifengExperience & Research7-12,384Study on the Electric Ignition Head of Potassium Picrate/Red Lead-silicon TypeZhou GuanghuiExperience & Research13-165Study on the Application of Liquid Ammonium Nitrate in Emulsion ExplosiveMeng Lijuan, Cheng Zhiping, LIU Lijun, Dan HuiyongExperience & Research17-196Analysis on Problem of Toxic Gas Concentration Exceeding the Standard after Underground Blasting and the CountermeasureLiang Fuxing, Zhang YubinQuestion & Discussion20-257Practice of Smooth Blasting in Broken and Hard Rock TunnelWang KaiminQuestion & Discussion26-298Application of Deformation Monitoring in Elimination the Risk of Blasting EngineeringXiang Zuwei, Chen Xiaoli, Yu shengriExperience Introduction30-329Technical Measures to Reduce Large Lump Rate in Deep-hole Blasting in Small QuarryZhao YongExperience Introduction33-3510A Simple and Practical Explosive Loading Method for Smooth BlastingCheng HongbingExperience Introduction36-38