查询词典 radioactive

A radioactive isotope gradually loses its radioactivity and decays over time into the normal form of the substance.

放射性同位素逐渐丧失放射性，并逐渐衰变成该物质的正常形式。

For instance, a compound can be synthesized with one of the atoms replaced by a radioactive isotope of the element.

例如，用某种放射性元素来代替原来的元素合成某一化合物，则放射性就可追踪这一化合物的合成过程。

Any radioactive isotope introduced into the body to study metabolism or other biological processes.

为了研究新陈代谢或其他生物学过程而引入身体的放射性同位素。

A radioactive isotope of carbon.

碳的一种放射性同位素。

Seventy of the 350 naturally occurring isotope s are radioactive.

自然界有350种天然同位素，其中70种有放射性。

Put radioactive isotope ~(131)I in boreholes and mark the karst water evenly.

在钻孔中用放射性同位素~(131)I均匀标记地下水。

"What it amounts to," said Billings,"is that The Goose can convert any radioactive isotope into a stable one..."

"也就是说，"比林斯说道，"这只鹅能够把任何放射性同位素转变成稳定的同位素。。。。。。"

Most immunoconjugates have been designed to carry a radioactive isotope (radio-immunoconjugates) or a toxin .

大多数免疫交联物被设计用来携带放射性同位素或免疫毒性物质。

After 40 hour irradiation time, about 7 Ci of radioactive isotope 64Cu was produced via 63Cu64Cu reaction.

通过这一系列问题的解决，最后在串列加速器实验终端上获得了纯度约 50％、束流强度接近 10'离子／秒适用于库仑激发实验要求的时Cll离线放射性核束。

Distinguish by using a radioactive isotope or an isotope of unusual mass for tracing through chemical reactions.

用放射性同位素或不寻常质量的同位素使元素或原子显示运动踪迹。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新