Therefore, it is very important to study the mechanism and the related parameters of notched directional splitting controlled blasting.
因此研究切槽定向断裂控制爆破的爆破机理及相关参数，具有十分重要的意义。
The splitting Mechanism, charge preparation and testing result of the loaded constitution of directional splitting in rock blasting are introduced.
介绍了一种岩石爆破定向破裂装药结构的破岩原理、制作方法及试验效果。
The article presents a new way of obtaining uniform splitting of the power of the optical power by directional coupling between the photonic crystal waveguides.
提出了一种实现光子晶体波导定向耦合型多路光均分的新方法。
The article presents a new way of obtaining uniform splitting of the power of the optical power by directional coupling between the photonic crystal waveguides.
提出了一种实现光子晶体波导定向耦合型多路光均分的新方法。
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