radioactivity
英 [ˌreɪdiəʊæk'tɪvəti]
美 [ˌreɪdioʊæk'tɪvəti]
n. 放射性; 放射(现象)
BNC.16448 / COCA.20084
柯林斯词典
- ADJ-GRADED 放射性的;有辐射的
Something that isradioactivecontains a substance that produces energy in the form of powerful and harmful rays.- The government has been storing radioactive waste at Fernald for 50 years.
政府在弗纳德存放放射性废料已达50年之久。
- The government has been storing radioactive waste at Fernald for 50 years.
英英释义
noun
- the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
双语例句
- Conclusion It was succeed keys to treat and nurse of esophagitis of radioactivity.
结论放射性食管炎的治疗和护理，是放疗成败的关键。 - Radioactivity is a special quality of radium.
放射性是镭的一种特性。 - Equipment used to treat diseases with x-rays or radioactivity.
利用x光或放射能治疗疾病的装备。 - There is concern about the amount of radioactivity being released into the environment.
人们对释放进环境的辐射量表示不安。 - Instead they found little more than background levels of radioactivity.
然而，他们只发现了和背景放射性差不多的放射性水平。 - Potassium iodide can be used to counteract radioactivity.
碘化钾可以用于阻碍辐射损害。 - Cancer is no longer an incurable disease nowadays, it can be remedied by using radioactivity.
如今癌症不再是不治之症了，它可以通过放射治疗。 - Instruments that can detect minute amounts of radiation for measuring doses of ionizing radiation ( X-rays or radioactivity).
能检测极微量辐射的仪器测量致电离辐射量的仪器。 - Radioactivity is the ejection of particles or radiation from the nucleus.
放射性是原子从核中射出粒子或辐射的现象。 - This paper presents basic situation and survey methods of environmental radioactivity in Mongolia and Romania.
本文介绍了蒙古和罗马尼亚两国环境放射性的基本态势，以及环境放射性调查方法等。