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The preferred orientations in the development of non-primary detonator should possess high-safety,non-polution and low-cost.

文中对无起爆药雷管所存在的问题和发展方向提出看法，无起爆药雷管的发展应向高安全、无污染、低成本的方向努力。

The difference of the delay time of non-primary detonator was compared by using PETN and RDX as the excitation powder,and the data were analyzed based on hot spot initiation theory.

为了探讨激发药对无起爆药雷管延期时间的影响,通过对比PETN和RDX分别作为激发药引起无起爆药雷管延期时间的差异,根据热点起爆理论对数据进行分析。

The obsing principles of non-primary explosive detonator with simple flyer and its properties are given in this paper.

文中介绍了简易飞片无起爆药雷管的设计原理和主要性能，叙述了飞片发生装置的结构和功能，得出用“飞片“和敏化黑索今可取代起爆药的结论。

This paper briefly introduced the basic structure,basic performance and technical advantage of the non-primary explosive detonator.

对无起爆药雷管的基本结构、基本性能、技术优势等方面进行了简要的介绍,阐述了现有引信存在的不安全性和待改进的问题,指出了其在引信安全方面的广阔应用前景。