A WORD, A WORLD
radioactivity
释义
- n.
- 放射性；放射(现象)
- 网络
- 放射现象；放射性活度；放射能
展开详细释义
n.
1.〔物〕辐射,放射性,放射作用
2.放射性强度
3.〔物〕放射现象,放射学
4.放射能力
5.辐射作用
在例句中理解 32 句
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。
Some of that radioactivity could carry in the atmosphere to the west coast of the United States.
某些核辐射可能通过空气传播到美国西海岸。
Though it was more likely that these events were due to cosmic rays or radioactivity, the results were consistent with a detection of WIMPs.
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。
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。
Giant detectors built to look for a hypothetical form of radioactivity in which protons decay never found such a thing.
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。
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。
The understanding of radioactivity allowed physicists to explain how the Sun and Earth's cores could still be hot after millions of years.
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。
In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.
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。
Nuclear spectrum measurement is one of the important methods for material composition analysis and radioactivity measurements.
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。
Before the discovery of radioactivity, gravitational attraction and the force of electro-magnetism had been enough to explain everything.
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。
So far, the plant has already suffered explosions and fires, sending gusts of radioactivity into the atmosphere.
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。
In practice it would be possible to measure radioactivity one thousand fold less than this.
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。
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。
But a shortage of research labs capable of conducting accurate radioactivity tests stalled the process.
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。
This conviction was based solely on the atomic nature of radioactivity .
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。
That was based on the steam coming out of the reactors and on the lower levels of radioactivity around the plant.
这是根据反应堆散发出的蒸汽，以及核电站周围的辐射水平下降得出的结论。
The Beijing center is among WMO's eight worldwide centers which predict the long-range movement of air-borne radioactivity.
世界气象组织在全球设立了八个监测大气辐射污染长期运动的区域气象中心，北京区域专业气象中心是其中之一。
the discovery of radioactivity
放射现象的发现
high levels of radioactivity
高强度的辐射