Radioactivity
英音[ ˌreɪdiəʊækˈtɪvəti ] 美音[ ˌreɪdioʊækˈtɪvəti ]

放射性

常用释义

词性释义

n.

放射性,放射现象;放射物(或其辐射)
例句
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为了探测质子衰变放射性的假想形式,人们修建了巨大的探测器,但这些探测器从没发现这种东西。
This led her to deduce that there were other substances within pitchblende that had properties of radioactivity.
于是玛丽推断出,在沥青铀矿中可能还有其他具有放射性的物质。
虽然它更有可能是这些事件是由于宇宙射线或放射性物质,其结果与一个懦夫检测一致。
某些核辐射可能通过空气传播到美国西海岸。
There was no inkling of the size of the universe beyond the Milky Way, and radioactivity, relativity and quantum theory were unimaginable.
人们对银河那边存在的宇宙究竟有多大一无所知,辐射能、相对论和量子论更是想都不敢想的问题。
The Navy says the submarine's nuclear reactor was not damaged , there was no leak of radioactivity and the vessel's hull is intact .
美国海军说,旧金山号的核反应堆没有损伤,没有放射性物质泄漏,潜艇舰体也完好无损。
Even radioactivity can expose the source as synthetic or natural. Synthetic vanillin is prepared from coal tar, which has no radioactivity.
通过放射能可以揭露产品的来源是天然的还是人造合成的。
Will there be any sort of environmental hazards? ei. Radioactivity, biohazards, etc.
会有环境破坏吗?比如核辐射,生化灾难之类的。
对放射性的理解使物理学家能够解释为什么几百万年以后太阳和地心仍是滚烫的。
最糟的情况是,燃料会从容器单位中洒出,有毒的辐射会进入空气和水中。
核能谱测量是进行物质成分分析与放射性测量的重要方法之一。
在放射性发现以前,地球引力和电磁力似乎已足以解释每一件事情。
样品的放射性定义为每单位时间的蜕变数目。
到目前为止,该厂已经遭受爆炸和火灾,发送到大气中放射性的阵风。
在实际上,可能测定的放射性比这个值小一千倍。
The instrument that checks radioactivity levels does not trigger an alarm, so operators still have no reason to suspect a LOCA.
检查辐射水平的设备并未发出警报,因此操作员仍然没想到发生了失水事故。
As a special treatment modality, radionuclide therapy is characterized by radioactivity throughout the treatment procedure.
放射性核素治疗是一种特殊的治疗技术,其整个治疗过程都具有放射性。
Do not collect rainwater for drinking or later garden use during the period of time when active distribution of radioactivity is happening.
尚有辐射期间,不能收集雨水饮用或留作花园之用
They had called the rays from it radioactivity ; they now decided to call the element radium.
他们从放射性特性方面考虑为新元素命名,于是决定称其为“镭”。
marie ' s husband , scientist pierre curie , helped her finish her thesis on radioactivity , which led to a shared nobel prize in physics.
玛丽的丈夫,科学家皮埃尔居里帮助她完成了关于放射性的论文,使她们共同获得了诺贝尔物理学奖。
The depthmen will measure cosmic ray penetration of the sea, radioactivity, and the age of the water in the abyss.
深入海底的人将在深海测量宇宙射线对海水的穿透力、放射性活动,以及海水的年龄。
For people who survive the initial blast, the main advice is to fight the impulse to run and instead seek shelter from lethal radioactivity.
对于核弹初爆后幸存的人们而言,主要的建议是抑制乱跑的冲动,寻找躲避致命辐射的避难所。
Officials at Tepco said they were exploring ways to put pumps at the site despite the water's radioactivity.
东京电力的高管说,他们正在探讨如何在高辐射积水的情况下,在现场安放水泵。
既然贮存池不再正常工作,一场释放到环境中的放射性灾难就可能发生。
但由于缺少能够执行精确放射性检验的研究实验室,这个过程遇到阻碍。
The cranes will also employ radioactivity monitors as well as cameras to help remotely operate the tools.
这些起重机还装备了放射性现象监视器和摄像头来使工作人员能够远程控制这些工具。
我们的这种信念完全依赖于原子的放射性属性。
Radioactivity refers to the phenomenon of emitting ionizing radiation when a radionuclide spontaneously disintegrates .
指核种自发衰变时释出游离辐射之现象。
the fate of the radioactivity within a living organism, one can learn the normal pathway of this carbon compound in that organism.
通过追踪放射性在活体内的去向,人们能得知这种碳化合物在体内正常的途径。
So if these radioactive materials are released into the environment yes radioactivity was released but no it is not dangerous at all.
所以如果这些放射性物质释放到环境中,是的,放射性被释放,但是不,他们完全没有停险。
1·Element 43's radioactivity makes it easy to isolate and measure.
43号元素的放射性使其易于分离和测量。
2·This work prepared the way for the discovery of the neutron by Sir James Chadwick and, above all, for the discovery in 1934 by Irène and Frédéric Joliot-Curie of artificial radioactivity.
这项工作为詹姆斯·查德威克爵士发现中子铺平了道路,尤其是为伊莲娜和弗雷德里克·约里奥特·居里在1934年发现人工放射性奠定了基础。
3·Frederic became one of her assistants and Irene taught him the techniques required to work with radioactivity.
弗雷德里克成了她的助手之一,艾琳教他放射性工作中需要掌握的技能。
4·What is the danger level for humans and radioactivity?
对人类的危险程度和放射性是什么?
5·Since the storage pools are not located within containment, a catastrophic radioactivity release to the environment could occur.
既然贮存池不再正常工作,一场释放到环境中的放射性灾难就可能发生。
同义词
n.
放射性;[核]放射能力;放射现象
同根词 (词根radioactive)
radioactive adj [核] 放射性的;有辐射的
radiography n [核] 放射线照相术;X光线照相术
radiobiology n [生物物理] 放射生物学
radiocarbon n [核] 放射性碳
radiochemistry n [核] 放射化学
radiographer n 放射线技师,X光照相师
radioimmunoassay n 放射免疫检定法
radioisotope n [核] 放射性同位素