放射性物质是某些物质的原子核能发生衰变，放出我们肉眼看不见也感觉不到，只能用专门的仪器才能探测到的射线。物质的这种性质叫放射性。 放射性能损伤遗传物质，主要在于引起基因突变和染色体畸变，使一代甚至几代受害。
放射物质
网络释义专业释义
... radioactive standard 放射性标准源 ... radioactive substance 放射性物质；放射物质 ... radioactive tracer 放射性示踪剂 ...
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短语
放射性物质 radioactive materials ; Radioactive substances ; radioactive material
放射物质的安全性 emanations security
核放射物质适装证书 Inf certificate of fitness
放射物质迹像法 radioautography
放射物质迹像图 radioautograph
贝他放射物质 beta radioactive substance
放射线增减物质 radiosensitizer ; radiation sensitizer
放射性物质包装 radioactive materials packaging
放射物质显迹图 autoradiograph
双语例句原声例句
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海港的扫描仪还不能探测出集装箱里致命的放射物质。
Scanners at seaports are unable to detect the presence of deadly radiation in cargo containers. Here are just a few of the questions that each candidate should answer
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日本核事故中报道的不同放射物质从相对良性的到让人极其担忧的都有。
The different radioactive materials being reported at the nuclear accidents in Japan range from relatively benign to extremely worrisome.
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尽管如此，他还是拒绝承认有任何放射物质泄漏的事情发生。
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As carefully as people work with radioactivity here, and using often much, much safer radioactive materials than radium bromide, and using them, and special hoods, and having special procedures, they still do a lot of checking with these Geiger counters to make sure everything's safe.
虽然在这里人们,用放射性物质都非常的小心，而且通常用的材料放射性,都比溴化镭要小得多，并且用的时候,都用特殊的容器,特殊的操作过程,但我们平时仍会用。
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- 来自原声例句