prompt (neutron) lifetime

In this paper, to counter the key technology of blastdown-blasting technology, compering experimental results of instant blast with those of millisecond blast, the effect of blasting technique on the self-being rate at coalface was analyzed by use of method of description.

文中针对炮采工作面核心工艺──爆破工艺，通过瞬发爆破、微差爆破的试验对比，用作图法分析爆破工艺对炮采工作面煤炭自装率的影响。

The evaluation, measurement, and check of prompt γ-ray data for neutron capture are presented.

简要地介绍了热中子俘获瞬发γ射线数据的测量、评价、检验及其中子俘获瞬发γ射线活化分析数据库的研制、结构和基本数据内容等。

With the analyze to the use condition of weapon system and contact fuse technical requirement, the paper provides piezoelectric fuse scheme with high transient and good omnidirection.

通过性能实验,证明这种压电引信传感器瞬发度高,万向性好,满足了技术要求,是种较好的快速响应万向性引信用传感器。