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。
Radium and uranium are radioactive elements.
镭和铀是放射性元素。
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。
What radioactive elements are being released at the Fukushima Daiichi nuclear power plant?
福岛核电站释放出了哪些放射性元素？
Some medicines, like Prussian blue pills, can help expel radioactive elements from the body.
普鲁士蓝药片等药物可以将放射性元素排出体外。
Heat from the decay of naturally occurring radioactive elements could keep a planet warm enough for water.
放射性元素在自然衰败过程中所产生的热量能使星球上的水维持液态形式。
Other substances such as nitrosamines, arsenic, and some radioactive elements can also be carcinogenic.
其他物质如亚硝胺、砷和一些放射性元素也有致癌作用。
These radioactive elements are by-products of the fission reaction that generates power in the nuclear plants.
这些放射性元素为核电站裂变发电时的副产品。
The reason is that the ash left over when coal is burned contains radioactive elements, notably uranium and thorium.
理由是煤燃烧过后省些的煤灰含有放射性元素，尤其是铀和钍。
Also in Fukushima City, radioactive elements, including iodine, cesium-135 and cesium-137, were found in drinking water.
福岛市也已在饮用水中发现了碘、铯- 135和铯- 137等放射性物质。
It is a very unstable area and will not prevent the disbursement of lethal radioactive elements to the environment.
这是一个非常不稳定的地区，将不能阻止致命放射性元素支付环境。
The Earth is growing cooler as it loses the heat trapped in its creation and generated by radioactive elements within it.
因为内核失去在其形成时捕捉的热能，而且是通过内核里的放射性元素产生的热能，所以地球正渐渐冷却下来。
Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.
岩石学矿物学上类似的岩石，其放射性元素丰度却往往有所不同。
This mixture of plutonium and other radioactive elements couldthen be turned into fuel suitable for use in “fast” reactors.
钚和其它的放射性元素的混合物可以转变成适宜“快”反应堆使用的燃料。
It lived around 125 million years ago, based on the dating of radioactive elements in the sediments that encased the fossil.
研究者通过对包裹化石的沉积层进行放射性元素年代测定，推断出中华龙鸟生活在1.25亿年前。
As nuclear cores melt down, reacting nuclear fuel creates many different radioactive elements, all with different toxic effects.
当核反应堆的核心融化的时候，相互作用的核燃料会产生许多不同的放射性元素，他们的毒性各不相同。
So radioactive elements can be absorbed into living tissues, bones or the blood, where they continue to give off radiation.
所以放射性元素能够被我们的活细胞组织、骨骼和血液吸收，而进入人体后其辐射并未停止。
The radioactive elements are enriched in yellow phase material which would seriously affect the quality of vitrified glass.
黄相将浓集放射性元素，严重影响产品固化玻璃质量。
The field investigation opens out the secret of the harm by radioactive elements to the health of some villagers around Anshan.
通过实地调查，揭示了鞍山周边部分村民受放射性元素致害之迷。
Linear No Threshold (LNT) - the methodology to calculate risk from exposure to radioactive elements from the Fukushima Daiiachi disaster.
线性无阈(LNT) - - - - -计算暴来自福岛核放射性元素灾难风险的方法。
And, he worked for a little less than 10 years at McGill where he did more work on these particles that radiate from radioactive elements.
他在McGill工作了将近10年，在McGill期间做了更多的，关于放射性元素的放射性的工作。
One possibility is radioactive elements decaying inside rocks, which already give the Earth about 0.025 percent of its geothermal energy.
一种可能性就是内部岩石的放射性衰变，地球热量的0.025%来自于这种衰变。
Overheating fuel rods then discharge gaseous forms of certain volatile radioactive elements, including cesium, iodine, strontium and tellurium.
然后过热燃料棒释放出某些气态易挥发放射性元素，比如铯、碘、锶和碲。
The radioactive elements' diffusion at the nuclear safety events in a nuclear power station was discussed in this paper using a modified Gauss model.
利用修正了的高斯模式探讨核电站核素污染事故中的核素扩散。
Our modern supply of helium has gradually built up over billions of years in subterranean pockets of natural gas as a byproduct of decaying radioactive elements.
我们现在的氦源，是地下天然气田中放射元素衰变的副产品，经过数十亿年的累积，逐渐形成的。
Soils with high clay content tend to bind radioactive elements and hinder their travel, while sandy soils allow more of the radiation to pass into growing food.
粘土比例高的土壤更容易结合放射性元素，阻碍其进一步扩散，沙质土壤中的辐射物质更容易进入作物内。
Soils with high clay content tend to bind radioactive elements and hinder their travel, while sandy soils allow more of the radiation to pass into growing food.
粘土比例高的土壤更容易结合放射性元素，阻碍其进一步扩散，沙质土壤中的辐射物质更容易进入作物内。
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