1Research progress and comparative analysis of shock wave parameters in free air explosionZHANG Luyao, LI Rui, WU Wei, SUN Rui, LI Yan, WANG Quan, CUI XiaorongSpecial Critique1-92Experimental study on the effect of ambient temperature on the water resistance of industrial electronic detonatorsYUE CaixinExperiment & Research10-133Research on testing methods for the stability of mixed emulsion matrixZHAO Yongping, LI Ke, WANG ZhaozhongExperiment & Research14-174Study on the effect of performance parameters of mixed ANFO explosives on rock dust control in limestone blastingZHANG ChengjunQuestion & Discussion18-235Research on intelligent packaging technology and equipment for small-diameter cartridgesYANG ZonglingQuestion & Discussion24-286Application of in-hole bag-hanging interval charging technology on deep-hole bench blasting projectYE Jianjun, YIN Xu, LIU Bingbing, HAN XuejunExperience Introduction29-337Effect of dry ice on blasting effect of sandstoneLEI Zhan, ZHANG Jie, WU Weiming, LI HongweiExperience Introduction34-38