radioactive

radioactive音标

英 [ˌreɪdiəʊˈæktɪv]

美 [ˌreɪdoʊˈæktɪv]

radioactive基本释义

adj.放射性的

radioactive用法及例句

adj.(形容词)

【物】放射性的

有辐射的

放射引起的

adj.(形容词)

放射性的 containing or giving off nuclear radiation

radioactive

adj

1. exhibiting or caused by radioactivity

e.g. radioactive isotoperadioactive decayradioactive fallout

1. 放射性的;有辐射的Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays.

e.g. The government has been storing radioactive waste at Fernald for 50 years.*府在弗纳德存放放射性废料已达50年之久。

1. 有放射性：一种有放射性(radioactive)的东东,不知为啥要把它埋在土里,但是它会污染水源. 在沙漠地带,水源离地表很远,所以把东东埋在近地表的地方就没问题了. 问削弱

2. 放射性物品：Oxidizing Agent 氧化剂 | Radioactive 放射性物品 | Corrosive 腐蚀性物品

3. radioactive

3. 放射性的：radiation trap 辐射捕集器,辐射护墙 | radioactive 放射性的 | radioactive carbon 放射性碳

常用例句

用作形容词(adj.)

People should keep away from the radioactive waste.人们应远离放射性废物。

The radioactive material is stored in a special radiation-proof container.放射性材料储存在防辐射的特殊容器里。

Tritium is one of the mildest radioactive isotopes .氚是*和缓的放射性同位素之一。

Measure the age of the substance..from its radioactive decay.

出自：M. Marrin

近义词

反义词

临近词

hot热的

dangerous危险的

active活跃的

harmful有害的

nonradioactive非放射性的

radioactive ink

radioactive age

radioactive air

radioactive ore

radioactiveity

radioactive ray

radioactivity

radio

radioactive tag

radioactive salt

radioactive gas

radioactive ash

相关列句

Three radioactive minerals are curite, sklodowskite and cuprosklodowskite.(三种放射性矿物是居里石、矽卡洛多夫石和铜矽卡洛多夫石。)

How do food products become radioactive?(食物产品如何才能具有放射性？)

She gave these rays a new name“radioactive”.(她给这种射线取了一个新名字，叫“辐射”。)

Radioactive caesium has also been detected.(还发现了放射性铯。)

These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.(这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。)

When the immunoprecipitate was subjected to SDS agarose gel electrophoresis, 3 radioactive bands were obtained, one of which corresponded to pure human albumin in its position.(将体外翻译产物的免疫沉淀物经SDS-聚丙烯酰胺电泳，得到相当于人血清白蛋白的同位素标记的电泳区带。)

About the same time, though, scientists realized comets might contain decaying radioactive isotopes that could have warmed cometary interiors to temperatures that caused the interiors to evolve.(然而，大约在同一时间，科学家们意识到彗星可能含有衰变的放射性同位素，这些同位素可能使彗星内部的温度升高到导致内部进化的温度。)

The government has been storing radioactive waste at Fernald for 50 years.(该*府50年来一直在弗纳德储存放射性废物。)

Radioactive cesium has also been detected in food.(食物中也发现了放射性铯。)

Sunflowers growing in pots were placed, with their roots submerged, in the pond contaminated with radioactive elements.(花盆里的向日葵浸没在被放射性元素污染的池塘里。)