- 1. 花盆里的向日葵浸没在被放射性元素污染的池塘里。
- Sunflowers growing in pots were placed, with their roots submerged, in the pond contaminated with radioactive elements.
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- 2. 向日葵继续生长；在这个过程中，他们吸收了放射性元素。
- The sunflowers kept growing; in the process, they absorbed radioactive elements.
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- 3. 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。
- Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
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- 4. 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。
- Like her mother, Irene was awarded a Nobel Prize, along with her husband, Frederic, in 1935 for producing new radioactive elements.
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- 5. 福岛核电站释放出了哪些放射性元素？
- What radioactive elements are being released at the Fukushima Daiichi nuclear power plant?
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- 6. 这种放射性元素半衰期约为5700年。
- This radioactive element has a half-life of some 5, 700 years.
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- 7. 因为它的重，所以你想它应该是放射性元素。
- Because it is heavy you expect it is radioactive.
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- 8. 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.
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- 9. 这些放射性元素为核电站裂变发电时的副产品。
- These radioactive elements are by-products of the fission reaction that generates power in the nuclear plants.
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- 10. 镭是一种放射性元素。
- Radium is a radioactive element.
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- 11. 如果下雨或下雪，放射性元素就能以更快速度降落至地面。
- If it rains or snows, the radioactive elements it can fall to earth more quickly.
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- 12. 有的密切观察稀有放射性元素水平特别高的星球。
- Some make a close observation of stars with extremely high levels of rare, radioactive elements.
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- 13. 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。
- The reason is that the ash left over when coal is burned contains radioactive elements, notably uranium and thorium.
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- 14. 然而他们做梦也没想到，雨水时的尘埃微粒含有极强的放射性元素。
- But they never imagined the particles contained in the rain had an array of radiation.
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- 15. 其他物质如亚硝胺、砷和一些放射性元素也有致癌作用。
- Other substances such as nitrosamines, arsenic, and some radioactive elements can also be carcinogenic.
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- 16. 他说今天在第一核电站检测到放射性元素铯，这是核心融化的不好迹象。
- He said detection of the radioactive element caesium outside the No.1 reactor today was "a bad sign" for a core meltdown.
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- 17. 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。
- This mixture of plutonium and other radioactive elements couldthen be turned into fuel suitable for use in “fast” reactors.
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- 18. 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。
- Overheating fuel rods then discharge gaseous forms of certain volatile radioactive elements, including cesium, iodine, strontium and tellurium.
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- 19. 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。
- Heat from the decay of naturally occurring radioactive elements could keep a planet warm enough for water.
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- 20. 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。
- Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.
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- 21. 福岛县说，饮用水中这些放射性元素的含量如果再增加三倍，水将不再适于饮用。
- The amounts of such elements were roughly one-quarter the levels that will make the water unfit to drink, Fukushima prefecture said.
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- 22. 他向普渡大学的研究者提出建议：寻找地球上放射性元素衰变速率的变化同太阳自转的关系。
- His advice to Purdue: Look for evidence that the changes in radioactive decay on Earth vary with the rotation of the sun.
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- 23. 他们当时对一种放射性元素钍很感兴趣，这种元素能驱动核反应堆，却不能制造生产成武器。
- They had been interested in thorium — a radioactive element that can fuel nuclear reactors but not be processed into weapons.
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- 24. 废弃物的放射性危险会延续数千年，而且部分还可以用来生产武器级放射性元素钚。
- Much of this remains dangerous for thousands of years, and a proportion of it can be used to produce weapons-grade plutonium.
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- 25. 废弃物的放射性危险会延续数千年，而且部分还可以用来生产武器级放射性元素钚。
- Much of this remains dangerous for thousands of years, and a proportion of it can be used to produce weapons-grade plutonium.
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