beta ray gas是什么意思

用法例句

Comparison of Safety between γ-ray and β-ray Gauges for Rubber Sheet;

γ射线与β射线橡胶测厚仪的安全性比较

Calibration in measurement of ICF target material areal density using β-ray;

靶材料面密度用β射线测量的定标问题

Study of emitting spectroscopy of solid DNA induced by γ-ray and β-ray;

γ射线、β射线诱变固体DNA的发射光谱研究

A β-ray monitoring system was developed, and the investigation was carried out for continuous on-line monitoring of resin content in carbon fiber/phenolic resin prepreg cloth.

　利用自行建立的β-射线监测系统对炭/酚醛预浸布的树脂含量进行了连续监测研究。

The principle of measuring the PM10 content in ambient air using β ray and the characteristic of G-M counters are described in this paper.

本文介绍了应用β射线测量大气中ＰＭ１０含量的原理及用于β射线探测的Ｇ－Ｍ计数管的特性；分析了测量数据统计特征及数据处理的理论基础；提出了构成ＰＭ１０测量系统的方法和相关的数据处理技术。

The theory of β ray gauging is analyzed and selection of radioactive source and detector is discussed.

本文详细讨论了β射线测厚的理论设计和应用。

? A two-dimensional imaging system of β-rays is presented in this paper The scintillating fiber has a diameter of 1mm and an aperture angle of 337° Clear images of various patterns of collimators were obtained with a β-ray source, with a spatial resolution of 1mm

用９０Ｓｒ放射源的β射线照射不同图案的准直器得到了清晰的图像，初步结果表明该成像系统的空间分辨率好于１ｍｍ。