她经常把装有放射性同位素的试管放在口袋里，对试管里发出的漂亮的蓝绿光赞不绝口。
She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off.
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。
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.
在这些“睡眠”时期中，新视野号仅仅靠一台放射性同位素热电发生器驱动，而它的耗能还不及一制10 0瓦的家用电灯泡。
During these periods of "sleep," New Horizons is powered by a single radioisotope thermoelectric generator and USES less power than a pair of 100-watt household light bulbs.
太阳能电池板将提供电力，而放射性同位素加热器单元能够经受火星的严寒气候。
Solar panels will supply power and radioisotope heater units will help it withstand the extreme cold on Mars.
这些物质被称作“放射性同位素”—同一种元素的变种，他们具有异常的中子数量，频繁的衰变和放出辐射。
These materials are known as "radioisotopes" -versions of an element that, because they have an abnormal number of neutrons, frequently decay and release radiation.
而放射性同位素能量源可以为探测器提供热量和电能。
A radioisotope power source will provide heat and electric power to the rover.
癌症的风险是由遭到辐射时的年龄和在特定组织中聚集的放射性同位素决定的。
Cancer risk is determined by the age at exposure and concentration of radioisotopes in particular tissues.
同时它应该具备可靠、稳定的能源供应，最好能够使用放射性同位素热电发生器(RTG)。
There wouldalso be the requirement of a reliable, steady supply of energy, so theuse of radioisotope thermoelectric generators (RTGs) would be preferred.
枫叶1（Maple1）和枫叶2（Maple2）这两座全新的反应堆工程总造价3500百万加元（折合3300百万美元），专用于生产医疗放射性同位素。
Maple 1 and Maple 2 are two brand-new reactors, constructed at a combined cost of over C$350 million ($330 million) specifically to produce medical radioisotopes.
该模型火车安装有合成的放射性同位素(中子或者说能量的来源)，在模型列车轨道上进行连续3天的循环，以协助通知其他聚变实验。
This model train was mounted with a synthetic radioisotope (a source of neutrons - or energy) and sent on a continuous three-day loop on hobby train tracks to help inform other fusion experiments.
一旦反应堆关闭，它仍热存在有来自其他放射性同位素踪迹的衰变热。
Once the reactor has shut down, there remains "decay heat" from traces of other radioactive isotopes.
这座城市面临的最大问题就是处理铯—137，这是一种半衰期为30年的放射性同位素。
The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.
放射性同位素在现代医学中占有重要位置。
反应堆释放的一种放射性物质就是碘的同位素，其会人们尤其是儿童造成严重的健康损害。
One of the radioactive materials released by reactors is radiative isotopes of iodine, which poses a serious health risk particularly to children.
进口放射性同位素、射线装置和含有放射性物质的物品的，按照国家有关规定办理。
The importation of the radioactive isotope, radiation equipment and other radioactive materials should come up to applicable state regulations.
行星科学家们可以通过计算一个特定元素有多少“母亲”放射性同位素衰变为“女儿”同位素来确定岩石的年龄。
Planetary scientists can determine a rock's age by calculating how many radioactive "parent" isotopes of a particular element have decayed into "daughter" isotopes.
我们有一些放射性同位素，这些同位素会自发变成其他的原子核。
You've got some radioactive isotopic that can spontaneously decay into some other nucleus.
炸弹的副产品之一的放射性同位素锶-90扩散到空中，降落到地面，被奶牛摄取，然后通过牛奶供应传递出去。
The radioactive isotope Strontium-90, one of the by-products of the bombs, spread into the atmosphere, fell onto the land, was ingested by dairy cows and passed into the milk supply.
并且，他们或许要对2号反应堆周边其他放射性同位素的含量，包括对铯、钡、钴、镧的浑浊度，进行重新检测。
And they still may need to retest for other radioactive isotopes that had been found in the seawater around the No. 2 reactor, including troubling quantities of cesium, barium, cobalt and lanthanum.
这些癌症其实是可以避免的，只要在受到辐射之后，马上给儿童们服用不具有放射性的碘的同位素做成的药片。
These cancers can be prevented if children are given pills containing the non-radioactive isotope of iodine soon after exposure.
西姆斯使用放射性计时器测定并比较氡的两种同位素，以此来解密火山的活跃程度。
Sims USES radioactive clocks to decipher volcanic processes, measuring and comparing two isotopes of radon.
为了调查皮肤对双酚a的吸收水平，研究者用放射性同位素对双酚a做了标志，观察放射性标志在猪耳朵皮肤内的活动——这是种广泛应用的代替人类皮肤的实验模式。
To investigate levels of skin exposure, the researchers took radioactively labelled BPA and observed the movement of radioactivity through pig ear skin - a widely used model for human skin.
当最普通的铁（56Fe）的同位素吸收了一个中子，生成物无放射性。
When the commonest isotope of iron (56Fe) absorbs a neutron, the result is not radioactive.
普渡大学物理教授EphraimFischbach，将探测几种同位素的放射性衰变速率的方法作为一种没有人为输入因素干扰的产生随机数的可能方法。
Ephraim Fischbach, a physics professor at Purdue, was looking into the rate of radioactive decay of several isotopes as a possible source of random numbers generated without any human input.
拖到绘图页上，然后右击可指定放射性同位素或燃烧热源。
Drag onto the page, then right - click to specify radioisotope or combustion heat source.
SEPA的放射性物质主任詹姆斯 格梅尔说，”检测出来的放射性碘同位素浓度极低，不对公众和环境构成影响.
Dr James Gemmill, Sepa's radioactive substances manager, said: "The concentration of iodine detected is extremely low and is not of concern for the public or the environment.
管理的某些放射性同位素也可以治疗某些癌症，如甲状腺癌。
Certain radioisotopes can also be administered to treat certain cancers such as thyroid cancer.
管理的某些放射性同位素也可以治疗某些癌症，如甲状腺癌。
Certain radioisotopes can also be administered to treat certain cancers such as thyroid cancer.
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