根据孔底空腔爆破的作用机理，结合微差爆破理论，在该采石场进行了孔底空腔微差爆破的对比试验研究。
According to the mechanism of base air-decked blasting, combined with millisecond blasting theory, the contrast tests of millisecond blasting for base air-decked were carried out in the quarry.
针对串联随进战斗部中弹丸对预开孔靶的侵彻性能，基于经典的空腔膨胀理论解析模型，建立修正的空腔膨胀理论模型，对不同尺寸预开靶孔的弹丸随进性能进行了分析。
An analytical model for the penetration of a following kinetic energy projectile into concrete targets with pre-drilled cavities is developed based on a modification of cavity expansion theory.
所述空腔容器部分的上侧设有加液孔及孔塞。
The upper part of the cavity container is provided with a liquid adding hole and a hole plug.
文中介绍了动光弹模型试验设计参数，通过对试验中条纹级数与比例距离曲线的对比分析，得出了合理的孔底空腔能有效地降低爆炸峰值压力和有利于保护建基面的结论。
In the paper, the design parameter of the dynamic photo-elasticity test model was described. In the test, the stress diffusion was explored and recorded really-time. According to the data from …
文中介绍了动光弹模型试验设计参数，通过对试验中条纹级数与比例距离曲线的对比分析，得出了合理的孔底空腔能有效地降低爆炸峰值压力和有利于保护建基面的结论。
In the paper, the design parameter of the dynamic photo-elasticity test model was described. In the test, the stress diffusion was explored and recorded really-time. According to the data from …
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