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福克斯词典 \ 英汉词典 \

isotope是什么意思？

isotope

英[ˈaɪsətəʊp] 美[ˈaɪsətoʊp]

n. [化]同位素；

复数：isotopes;

相关单词 isotopes

例句

The Minnesota work on kaersutite also showed the presence of the isotope neon - 21. 明尼苏达大学关于钛角闪石的研究表明,其中也存在同位素氖 - 21.
The isotope ratio is directly used for comparing oils or gases. 同位素比率直接用于比较各种石油或天然气.
Lasers promise to change this by making isotope separation easier, and cheaper. 激光可以改变这种局面,从而使同位素分离变得比较容易、比较廉价一些.
Today, most cyclotrons are used either for instructional purpose or for isotope production. 今天大多数回旋加速器是用在教学上,或者用于同位素生产.
This indium isotope was created at the same time as the earth. 这种铟同位素与地球产生在同一时代.
The method of determining Ni, Cu and Pbi n urine with isotope dilution mass spectrometry ( IDMS ) is described. 介绍了采用同位素稀释质谱法 ( IDMS ) 测定冻干人尿样品中镍、铜、铅的含量.
Even Francium's most stable isotope, Francium - 223 only has a half - life of 22 minutes. 钫的最稳定的同位素, 钫 -223 也只有22分钟的半衰期.
A synthetic element produced in trace quantities by helium isotope bombardment of curium. 锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.
Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission. 铯-137是一种放射性同位素, 主要由核分裂产生.
...tritium, a radioactive isotope of hydrogen. 氢的放射性同位素氚

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柯林斯高阶英汉双解学习词典释义

N-COUNT

同位素

Isotopes are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.
例句
...tritium, a radioactive isotope of hydrogen. 氢的放射性同位素氚

英汉词典释义

n.
<核>同位素
Tritium is one of the mildest radioactive isotopes. 氚是最和缓的放射性同位素之一。

英英词典释义

Noun
1. one of two or more atoms with the same atomic number but with different numbers of neutrons

行业词典

体育：同位素；
农学：同位素；
化学：同位素；
医学：同位素：原子序数(核质子数)相等而原子量(核中子数)不同的元素；
旅游：同位素；
物理学：同位素；
生态学：同位素；中子数不同的同一种元素的一种原子形式，包括稳定同位素和放射性同位素。；
电力：同位素；

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