They were exposed to radioactive fallout during nuclear weapons tests.
他们在核武器试验过程中暴露于放射性核辐射。
The early Earth contained abundant radioactive materials.
早期地球含有丰富的放射性物质。
Victims may be exposed to poisonous or radioactive minerals.
受害者可能接触到了有毒或放射性矿物。
Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.
氦是钍和铀元素数千年放射性衰变的副产品。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Like her mother, Irene was awarded a Nobel Prize, along with her husband Frederic in 1935, for producing new radioactive elements.
与她的母亲一样，1935年，艾琳和她的丈夫弗雷德里克因为制造出了新的放射性元素而获得了诺贝尔奖。
Like her mother, Irene was awarded a Nobel Prize, along with her husband, Frederic, in 1935 for producing new radioactive elements.
与她的母亲一样，1935年，艾琳和她的丈夫弗雷德里克（Frederic）因为制造了新的放射性元素而获得了诺贝尔奖。
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。
Marie Curie, now at the highest point of her fame and, from 1922, a member of the Academy of Medicine, researched the chemistry of radioactive substances and their medical applications.
居里夫人现在的名气到达顶峰，从1922年开始，她是医学学会的成员，研究放射性物质的化学性质及其医学应用。
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。
One of Marie Curie's outstanding achievements was to have understood the need to accumulate intense radioactive sources, not only to treat illness but also to maintain an abundant supply for research.
居里夫人的一项杰出成就是理解了积累强放射源的必要性，这不仅是为了治疗疾病，而且也是为了保持充足的研究供应。
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。
The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
Radon is radioactive and hazardous.
氡有放射性，是有害物质。
The phenomenon is called radioactive fallout.
这一现象即称之为放射性尘降。
This radioactive form of nitrogen does not occur in nature.
氮的这种放射性形式在自然界中不会产生。
refrain from harvesting after radioactive material fallout.
有放射性物质落下时不要进行采收。
Some byproducts of the nuclear fission are themselves radioactive.
有些核裂变产生的副产品自身具有放射性。
But they had to fly high because of radioactive leaks from the reactors.
但是由于反应堆的放射性物质泄漏，飞机必须保持在非常高的位置。
There have been no radioactive leaks and there have been no chemical leaks.
没有放射性物质泄漏也没有化学物质泄漏。
The Geiger counter registered a high concentration of radioactive particles.
盖革计数器示出放射性粒子的高浓度。
Wearing masks and respirators prevent the ingestion of radioactive particles.
穿戴呼吸面具和防护用品可以防止摄入放射性微粒。
They contain more dangerous radioactive products than do the reactor vessels.
其中所存放的高危放射性物质比反应炉里的还多。
Edano has said there have been no leaks of radioactive material at any plants.
枝野幸男指出，所有核电厂并未发生放射性物质的泄漏。
In 1903 Marie received her doctor's degree for her study on radioactive matter.
由于她在放射性物质方面的研究，玛丽于1903年获得了博士学位。
Reader asks: Does the life of the rods affect their radioactive capabilities?
读者提问：燃料棒的寿命长短会影响他们的核辐射能力么？
Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。
Rare earth mines often also contain radioactive elements, such as uranium and thorium.
稀土矿山常常也含有放射性元素，比如铀和钍。
Rare earth mines often also contain radioactive elements, such as uranium and thorium.
稀土矿山常常也含有放射性元素，比如铀和钍。
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