1The Study on Theoretical Model and Development Trend for Rock BlastingSun Boyong, Duan Weidong, Zheng feng, Liao ChengmengExperiment & Research1-42Formula of Minor Diameter Emulsion Explosive Adapted to Continuous ProductionGao Ming, Guo Naide, Sun Yuhua, Qing GuangyiExperiment & Research4-63The Design of Double-helix Continuous Cooling Equipment for Emulsion ExplosivesYu Weiqing, Huang Xuehui, Yang ZonglingExperiment & Research7-94Design of Automatic Time Measure System for Delay Detonator TestLei Jingrong, Wu Yan, Wang PengExperiment & Research9-115Evaluation on the Hazard of the Operating Condition of Powder Explosive ProductionLuo Xiaobi, Xie Renqiang, Liu QiutaoProblem Discuss12-156The Way of Controlling Blasting Cost During Opencast Coal MiningChen PengProblem Discuss16-187Analysis for the Explosion Accident in Xinyi Firecracker Factory and Suggestions for the StandardCui JianpingProblem Discuss18-198Discussion of Key Problems about Underground Safety BlastingLi ShimingProblem Discuss20-219Discussion on the Safety of Emulsifying and Pumping Powder Emulsion ExplosiveLiu jianjunProblem Discuss22-2410Safety Application of Screw Pump in Emulsion Explosive ProductionShan FengrongProblem Discuss2411Establishment and Evolvement of the System for Industrial Explosive Material MarketQin ZhengqiSpecial Critique25-2712Discussion on the Function of Monitoring System in One Ventilation and Three PreventionSu ShouSpecial Critique28-2913Experience on Chemical Vesicant Technology of Emulsion ExplosiveLi Xiang, Zhu CaihongSpecial Critique2914Construction Technology of Blasting in the Highway BroadeningMa Huaxiang, Zhang Xiantang, Chen Tao, Wang HongliExperience Introduction30-3215A Blunt Powdery Explosive with Middle Density and Low Detonation VelocityChen Chengfang, Zhang Qiang, Yin Guoguang, Ma Honglin, Gong ShengrongExperience Introduction3316The Demolition of a 40m-high Brick Chimney by Directional BlastingJia Hu, Yin Yang, Xu YingExperience Introduction34-35 