thorium

小编 分享 时间:
thorium是什么意思
英式音标:[ˈθɔ:riəm]英式读音
美式音标:[ˈθɔriəm, ˈθor-]美式读音
词汇分类:水利水电专业英语(词汇),地球化学,宇宙化学 (Geochemistry, Cosmochemistry),Google大数据2.9万高频美语词汇表,采矿工程专业英语,经济学人词频200以下(低频词 约12000个),核能工程专业英语
概况:

n. [化学] 钍(放射性金属元素,元素符号Th,原子序数为90)

词义:

n.

钍;

英英释义

thorium[ 'θɔ:riəm, 'θəu- ]

n.a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands

同义词:Thatomic number 90

用法:

权威例句

Thorium abundances on the lunar surface

Thorium-doping–induced superconductivity up to 56 K in Gd1−xThxFeAsO

The half-lives of uranium-234 and thorium-230

Thorium-doping$\hbox{--} $induced superconductivity up to 56 K in Gd$_{1-x}$Th$_{x}$FeAsO

Distribution of thorium isotopes between dissolved and particulate forms in the deep sea

Distribution of thorium isotopes between dissolved and particulate forms in the deep sea

Uranium and thorium isotopic and concentration measurements by magnetic sector inductively coupled plasma mass spectrometry

Chemistry of uranium, thorium, and radium isotopes in the Ganga-Brahmaputra river system: Weathering processes and fluxes to the Bay...

Sequential separation of light rare-earth elements, thorium and uranium by miniaturized extraction chromatography: Application to is...

Energy‐adjusted pseudopotentials for the actinides. Parameter sets and test calculations for thorium and thorium monoxide
英语词源:

thorium (n.)

rare metallic element, 1832, Modern Latin, named by its discoverer, Swedish chemist Jöns Jakob Berzelius (1779-1848) from thorite (silicate of thorium), the name of a mineral found in Norway from which it was extracted (which Berzelius also had named, as thoria, in 1828), and named in honor of the Scandinavian god Thor. With chemical ending -ium.

造句:

1. thorium oxide slurries

氧化钍浆液

-- 来源 -- 英汉 - 翻译参考[网络]

2. A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.

少数元素,其中有铀和钍,通过它们核的变化自然蜕变成较轻的元素。

-- 来源 -- 英汉 - 辞典例句

3. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

一种极不稳定的放射性元素(卤素系列中最重的一种),铀和钍腐烂的产物。

-- 来源 -- 汉英 - 翻译参考

4. They recognized that in a thorium province Pb208 would present complications.

他们承认,含钍区内的Pb208会产生干扰。

-- 来源 -- 英汉 - 辞典例句

5. Marie found another called thorium.

玛丽发现了另一种物质,叫钍。

-- 来源 -- 英汉 - 辞典例句

6. thorium tetrachloride

四氯化钍

-- 来源 -- 英汉 - 短句参考

7. fertile thorium 232.

能产生裂变物质的钍232

-- 来源 -- 英汉 - 短句参考

8. thorium nitrate

硝酸钍

-- 来源 -- 英汉 - 短句参考

9. I found in this way that of the other elements known, only the cornpounds of thorium behave like the compounds of uranium.

于是我发现在其他所有已知元素中,只有针化合物才有像铀化合物一样的特性。

-- 来源 -- science - 汉英

10. a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium.

一种红褐色矿物,含稀土金属,是钍和铈的主要来源。

-- 来源 -- 汉英 - 翻译参考

thorium

将本文的Word文档下载到电脑,方便收藏和打印
推荐度:
点击下载文档文档为doc格式