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isotope

英 ['aɪsətəʊp] 美 ['aɪsə'top]

n. 同位素

双语例句

1. 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.

2. 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.

3. 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.

4. Changes of nuclear mass and nuclear size cause isotope shifts.: 原子核质量和大小的不同引起同位素移动.

5. There are several ways to separate excited from unexcited molecules, thus harvesting the desired isotope.: 目前有几种方法可以把受激发分子同未受激发分子分离开, 这样,就可以大量得到我们所需要的同位素了.