isotopes

the many isotopes of carbon

碳的诸多同位素

《牛津高阶英汉双解词典》

Tritium is one of the mildest radioactive isotopes.

氚是最和缓的放射性同位素之一.

《简明英汉词典》

The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.

这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层.

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More reactive are the heavier isotopes of hydrogen, deuterium and tritium.

更为活跃的是氢的较重同位素, 氘和氚.

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There are two main types of uses of radioactive isotopes in biochemistry.

在生物化学中,放射性同位素主要有两方面的应用.

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Ions of different isotopes converge at different points on the photographic plate.

在照相底板上不同的同位素的离子会聚于不同点.

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Later he named these separate forms isotopes.

后来他称这些不同的形式为同位素.

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For that reason, however, separating the isotopes of an element can be exceedingly difficult and costly.

不过, 也正因为这样, 要把某一元素的各同位素分离开来,就可能是极其困难的事,要付出很高的代价才能办到.

英汉非文学 - 科技

The large number of radioactive isotopes among the heavy elements fit into three series.

重元素中的大量放射性同位素分属于三个系列.

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A detailed search for the isotopes of all the elements required a more preci se technique.

仔细研究所有元素的同位素需要更精密的技术.

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Extensive research has shown that fractional atomic masses always mean mixture of isotopes.

进一步的研究揭示出:部分原子质量常是同位素的混合物.

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Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes.

通过使钚或铀同位素裂变,中于也能产生间接的电离作用.

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Atoms of the same element that differ in their atomic weight are called isotopes.

具有不同原子量的同一种元素被称为同位素.

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The radium isotopes are absorbed to an appreciable extent through the human and animal gut.

镭的同位素通过人和动物的肠子时有很大部分被吸收.

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The interval is two mass units because these isotopes of the elements differ by two neutrons.

因为这些元素的同位素相差两个中子,所以其间隔为两个质量单位.

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