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1)  β line
β线
1.
Clinical study of β line radiotherapy for bromhidrosis;
腋臭单纯β线放射治疗的临床研究
2)  β-carbine
β-线型碳
1.
The transformation of β-carbine to diamond was studied by FTIR and XRD.
首先研究了炔烃缩聚两步法合成β-线型碳。
3)  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
4)  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。
5)  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。
6)  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。
补充资料:1-[β,β,β-三(对氯苯基)丙酰]-4-甲基哌嗪
分子式:C26H25CL3N2O
分子量:487.85
CAS号:2390-22-9

性质:该品溶点213-215℃。作兽用驱虫药时常用基盐,又称Dieroden。盐酸盐的熔点为267-269℃,易溶于热水和醇。

制备方法:以三(对氯苯基)甲醇(Ⅰ)为原料,与氰乙酸加成得β,β,β-三(对氯苯基)丙腈(Ⅱ),经浓硫酸水解得β,β,β-三(对氯苯基)丙酸(Ⅲ),再用五氯化磷酰氯化,得到β,β,β-三(对氯苯基)丙酰氯(Ⅳ),最后与N-甲基哌嗪缩合制得海涛林。

用途:该品为治疗牛、羊矛形腔吸虫病的高效药物,具有作用强、驱虫率高(96%以上)、毒性低、适口性好等优点,国外畜牧业应用十分广泛。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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