thorium

1. She discovered that this was true for thorium.: 她发现钍也是如此。

2. 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。

3. Uranium or thorium ores and concentrates.: 铀或钍矿砂及其精矿。

4. Thorium is separated by extraction chromatography.: 用萃取色层法分离钍。

5. This is clearly confirmed by the detection of thorium.: 这显然证实了检测钍。

6. Thorium-based molten salt nuclear reactors for the future!: 为了未来的钍基熔盐核反应堆。

7. Radium, uranium, and thorium are radioactive metallic elements.: 镭、铀和钍都属于放射性金属元素。

8. China's dash for thorium power could alter the energy landscape.: 中国大力研发钍能，将改变世界能源景观。

9. No, she told me, because thorium reactors are not a proven technology.: 她告诉我她不支持，因为钍反应堆不是一种被证明可靠的科技。

10. There are a number of different ways to use thorium to produce electricity.: 用钍发电有许多不同的方式。

11. Followed by the slow decomposition of uranium to another element thorium.: 铀元素随后缓慢分解为另一种元素钍。

12. The calculation from the neutrino work yields 20 terawatts for uranium and thorium.: 从中微子工作计算出铀和钍约产出20太瓦。

13. So, you've got polonium or thorium sitting inside this leaded box with one opening.: 把钋或者钍放在,开一个小口的含铅的盒子里面。

14. Compared to uranium, thorium is far more abundant as well as much more energy-dense.: 与铀相比，钍的储藏量更为丰富，能量密度也更高。

15. 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。

16. Using Pierre’s invention to make the measurements, Marie noted that thorium was radioactive.: 他们用皮埃尔所发明的仪器来进行测量。玛丽注意到钍元素也是具有放射性的。

17. The use of thoria (thorium dioxide) as an agent was rapidly stopped as thorium causes liver cancer.: 而使用氧化钍(二氧化钍)作为代理人迅速停止钍导致肝癌。

18. Potassium, phosphorus and thorium are other elements that lunar rocks have to offer a potential mining venture.: 钾、磷、钍是月岩可向将来的采矿企业提供的其它元素。

19. The team's measurement of thorium revealed the overall abundance pattern of heavy elements for this object.: 该队的测量发现钍的总体格局丰富的重元素，为这个目的。

20. A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.: 少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。

21. 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。

22. There are some radioactive nuclides such as uranium, radium, thorium and polonium in pit effluent of uranium mine.: 铀矿山坑道污水含有铀、镭、钍、钋等放射性核素，外排前必须加以处理。

23. Unlike most supernovae, this one spewed lots of elements far heavier than iron, including radioactive thorium and uranium.: 这颗晕星不同于大多数超新星，它吐出的许多元素比铁还重，其中包括放射性钍和铀。

24. They had been interested in thorium — a radioactive element that can fuel nuclear reactors but not be processed into weapons.: 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。

25. A simple, quick, and sensitive method to determine the radioactive nuclides of uranium and thorium in talc is described.: 介绍了一种测定滑石粉中放射性核素铀钍的简便、快速且灵敏的方法。

26. Sorensen estimates that between 5, 000-6, 000 tonnes of thorium could produce as much energy as the world currently consumes each year.: 索伦森估计，5000- 6000吨的钍就可以产生相当于目前世界上每年能耗量的能源。

27. Calculations suggest, for instance, that in the nucleus of the isotope thorium-229 is a transition that should emit ultraviolet rays.: 举例来说，计算表明，钍- 229的原子核内存在着能发出紫外线的转变过程。

28. In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium.: 地质学家在石笋上钻孔，使用铀衰变成钍的同位素的方法确定它们的年龄。

29. In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium.: 地质学家在石笋上钻孔，使用铀衰变成钍的同位素的方法确定它们的年龄。

热门分类

英语例句推荐