The research of explosive shockwave can be significant for the weapon's damage efficiency evaluation, and also important for measuring the system security in mine explosive accidents.
爆炸空气冲击波的研究是弹药等武器作战效能评估的重要依据，也是对矿井爆炸事故的系统安全性进行分析的基础。
The results of research and tests conducted at Daye Iron Mine and Nanfen Iron Mine for many years show the superiorities of increasing explosive density, loading density and volume strength.
根据多年来在大冶铁矿和南芬铁矿等地试验研究的结果，说明了提高炸药密度、装药密度和体积威力的优越性。
The paper experimentally studied the explosive limit and the critical oxygen concentration of several kinds of gases that are found in the mine.
通过实验，对煤矿井下存在的多元混合气体的爆炸极限和临界氧浓度进行了分析和研究。
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