Comparing to former 2 holes or 3 holes primed in one section, single hole blasting or millisecond blasting in one hole can make the ratio of vibration reduction to 48.9060.67%.
在此基础之上改变原来2孔或3孔同段起爆为单孔单段或孔内微差爆破，使降震率达48.90～0.67％。
参考来源 - 露天采场爆破震动的监测与控制It is significant to identify real time of delay in millisecond blasting.
确定微差爆破的实际微差延迟时间对优化微差爆破效果、降低爆破地震效应具有重要意义。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.
探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。
Deep-holed millisecond blasting is a fast construction method applied to large scale earthwork.
台阶深孔微差爆破是一种大规模、快速的土石方施工方法。
Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
此外，文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
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