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1)  β-ray
β射线
1.
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
2.
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
3.
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
2)  β ray
β射线
1.
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。
2.
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。
3)  beta ray
β射线
1.
Veneer lumber density tests using beta ray are introduced,and the effect of timber thickness and beta-ray s transmission time on veneer lumber density is mainly studied.
介绍了用β射线对单板密度进行检测实验,重点研究了木材厚度和β射线透射时间对单板密度检测结果的影响,并对其进行分析,得出了将β射线检测法用于单板密度的在线、无损自动检测上的应用条件。
4)  beta rays
β射线
1.
Objective Our study is to evaluate the effects of beta rays on the nitric oxide synthase in smooth muscle cell of vessel anastomosis.
目的:本课题通过对血管内膜和中膜厚度及中膜平滑肌的NOS免疫组化检测,探讨~(32)p产生的β射线局部照射对血管吻合后愈合的影响。
5)  β-rays
β射线
1.
? 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。
6)  β-ray
β-射线
1.
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。
补充资料:β射线
分子式:
CAS号:

性质:放射性原子核内释放的电子流(称β—射线)或正电子流(称β+射线)。β粒子具有较大动能可达几兆电子伏特以上。β射线的穿透能力比α射线大,但比γ射线小得多。电离能力比α射线小。一般采用两层屏蔽:第一层用低序数原子材料,第二层用高序数原子材料,可防止射线的外照射伤害。它的内照射伤害比α射线要小。

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