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1)  beta-decay electron
β衰变电子(β粒子)
2)  β-delayed particle decay
β延迟粒子衰变
3)  positron beta decay
正电子β衰变
4)  β-delayed proton decay
β缓发质子衰变
1.
Itsβ-delayed proton decay was studied by means of "p-γ" coincidence in combination with a He-jet tape transport system, including half-lives, proton energy spectra,γ-transitions following the proton emissions, and the branching ratios to the low-lying states in the grand-daughter nuclei.
利用40Ca+96Ru融合蒸发反应产生了近质子滴线核133Sm,配合氦喷嘴带传输系统采用“质子-γ”符合方法观测了它们的β缓发质子衰变,其中包括半衰期、质子能谱、第二代子核低位态之间的γ跃迁,并估计出衰变到第二代子核不同低位态的分支比。
2.
Their β-delayed proton decays were studied by means of "p-γ" coincidence in combination with a He-jet tape transport system, including half-lives, proton energy spectra, "γ-transitions following the proton emissions, and the branching ratios to the low-lying states in the grand-daughter nuclei.
利用40Ca+106Cd融合蒸发反应产生了近质子滴线核140Tb和141Dy,配合氦喷嘴带传输系统采用“质子-γ”符合方法观测了它们的β缓发质子衰变,其中包括半衰期、质子能谱和衰变到第二代子核不同低位态的分支比。
5)  β particle
β粒子
1.
Study on exciting the luminescent material to glow by β particle;
利用β粒子激活发光材料发光的研究
2.
The principle of activating the phosphors to luminescence by β particle emitted from tritium isotope was introduced.
采用了放射性同位素氚在衰变过程中放射出β粒子激活发光材料发光的原理。
6)  the soft β-particle
软β粒子
补充资料:1-[β,β,β-tris(p-Ehlorophenyl)-propionyl]-4-methyl-piperazine
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。

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