查询词典 radioactive

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。

Foreman: Now, I'm injecting a material that's tagged with a radioactive isotope. It's gonna enter your spine and travel up to your brain. It'll make you able to think deep thoughts, at about 100 miles per hour.

福尔曼：我现在要给你注射一些混合了放射性同位素的物质，它将通过你的脊髓进入你的大脑，把你带入深度思考状态，大约每是小时推进100英里的速度。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。