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uranium是什么意思？

uranium

英[juˈreɪniəm] 美[juˈreɪniəm]

n. [化学]铀；

相关单词 actinouranium Contains uranium ferrouranium uranium mine Uranium mustard

例句

a tonne of highly enriched uranium 一吨高纯度的铀
They went over nationwide in search of uranium mines. 他们为了探寻铀矿走遍了全国。
A metal called uranium gave off a kind of radiation, which Marie Curie later called radioactivity. 一种叫铀的金属发出一种射线, 后来玛丽·居里把这种现象称为放射性.
The earliest production reactors necessarily used normal uranium as fuel. 最早为生产用的反应堆,必须使用普通铀作为燃料.
Additional mineral properties ( gold , silver and uranium ) were optioned in 2005 in Colorado. 2005年对科罗拉多洲的另外一些矿产地 ( 、和铀 ) 具有期权.
The concept holds that uranium is leached by groundwater from tuffeceous rocks. 该理论认为,来自凝灰岩的地下水淋蚀铀.
When the uranium disintegrates, it changes into lead. 当铀蜕变时, 它变成了铅.
The most sophisticated laboratory conditions mean the difficulty of determinations of uranium. 高度现代化的实验条件对测定铀有困难.
Norton has reviewed conditions of deposition of the uranium host rocks. 诺顿论述了含铀主岩的沉积条件.
Secondary uranium minerals are illustrated in a Bureau of Minerial Resources prospector's handbook. 次生铀矿物已列入矿物资源局的普查手册中.

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柯林斯高阶英汉双解学习词典释义

N-UNCOUNT

铀

Uranium is a naturally occurring radioactive metal that is used to produce nuclear energy and weapons.

英汉词典释义

n.
铀
They went over nationwide in search of uranium mines. 他们为了探寻铀矿走遍了全国。

英英词典释义

Noun
1. a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons

行业词典

医学：铀：一种硬而重的放射性金属元素，符号为U，原子序数92，原子量238.03，比重18.68。其化合物中有些可作药用。天然铀系3种放射性同位素所组成，其原子质量数分别为234，235和238。从铀238中分离得到的铀235可在慢中子作用下发生裂变，并释放中子；而被释放的中子可加入铀238使之形成镎，镎又可因发射β粒子而蜕变成钚。参见neptunium和plutonium；

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