The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
To facilitate the fishing or recovery operation, the backoff is usually accomplished by applying reverse torque and detonating an explosive charge inside a selected threaded connection.
为进行打捞或回收钻柱，通常的卸开作业总是采用反扭矩，和在所选用的丝扣连接内引爆炸弹。
Based on these conclusions, the influence of axial decoupling coefficient of top-air-decked charge structure and detonating manner on blasting effect is analyzed here.
鉴于以上结论，进一步分析了上部空气层装药结构轴向不耦合系数与起爆方式对爆破效果的影响。
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