uranium 是什么意思
n. [化学] 铀
uranium 中文词源
uranium 铀
来自1789年,其发现者德国化学家和矿物学家Martin Heinrich Klaproth以当时新发现的行星Uranus为这种金属元素命名。比较cerium, 来自谷物女神Ceres.
英语词源
uraniumuranium: [18] Ouranós was an ancient sky god in Greek mythology, consort of Gaea and father of Cronos and the Titans (his name was a personification of Greek ouranós ‘heaven’). The Romans called him ūranus
uranium 权威例句
- 1. It was actually used for enriching uranium to weapons-grade levels.
- 实际上,它是用来将铀浓缩以制造武器。
来自柯林斯例句
- 2. Enriched uranium is a key component of a nuclear weapon.
- 浓缩铀是核武器的关键组成部分。
来自柯林斯例句
- 3. Uranium is soluble in sea water.
- 铀可溶解于海水。
来自柯林斯例句
- 4. They went over nationwide in search of uranium mines.
- 他们为了探寻铀矿走遍了全国.
来自《简明英汉词典》
- 5. Only 7 uranium atoms of every 1,000 are U - 235.
- 在每1000个铀原子当中,只有七个是铀235.
来自英汉非文学 - 科技
uranium 造句
- 1. The fuel was enriched with uranium 235 for the nuclear reactor.
- 核反应堆的燃料被铀235浓缩。
《21世纪大英汉词典》
- 2. Now as you recall from the uranium 238 slide, and I think the next slide will show it.
- 现在,如你们能在铀238的幻灯片中想起的,我想,下一张幻灯片就会展示它。
open.163.com
- 3. And if you keep these neutrons from escaping through leakage they then become available to become absorbed in uranium 238.
- 如果你阻止这些中子通过泄露逃跑,它们之后能够,变成在铀238里能吸收的。
open.163.com
- 4. If China is trying to equip every man with a car, then the demand for copper, coal, iron, gold, gas, uranium, which we also have, will be endless.
- 如果中国试图为每一个人配备一辆汽车,那么对于铜、煤炭、钢铁、黄金、天然气、铀的需求将是无止境的,而这些正是我们拥有的。
article.yeeyan.org
- 5. This, it was claimed, would be a true test of whether Iran was only interested in enriching uranium for civilian use.
- 对此,有人声称,将会是对伊朗的一次真正的考验,来试探它对”铀浓缩“感兴趣是否仅仅为了民用。
article.yeeyan.org
- 6. Gas reactors require enrichments in the order of up to 20%. So we need to fabricate the uranium into pellets which are clad in zirconium tubes which are placed into the reactor core.
- 气体反应堆要求充实,以此能,达到20%,所以,我们需要制造出在芯块中的铀,那是锆管道的金属外壳,那被放置入一个反应堆核心里去。
open.163.com
- 7. There are tiny amounts of uranium residue in coal; those trace residuals have more energy potential than all the coal itself.
- 煤炭中有微量的铀残留物;而这些微量残留所蕴含的能量比所有的煤炭本身还要多。
article.yeeyan.org
- 8. The process releases a lot of energy and more neutrons, which go on to split other uranium atoms, triggering a chain reaction.
- 这一过程释放出大量能量和更多的中子,于是继续将别的铀原子一分为二,引发连锁反应。
article.yeeyan.org
- 9. That puts France more in line with the US on Iran, whose uranium enrichment program flaunts UN resolutions and threatens not only Israeli and regional security, but world peace.
- 这使得法国在伊朗问题上和美国更一致。伊朗的铀浓缩计划蔑视联合国决议,不仅威胁以色列和地区的安全,而且威胁世界和平。
www.stnn.cc
- 10. Niger is the worlds largest exporter of uranium.
- 尼日尔是世界上最大的铀输出国。
article.yeeyan.org
- 11. Mongolia should begin uranium mining in about 2013, he said.
- 他并称,蒙古应该能在2013年前后开始开采铀矿.
cn.reuters.com
- 12. We never imagined that there would be uranium in our kids.
- 我们从来也想不到铀会在我们孩子的体内。
article.yeeyan.org
- 13. There was another example, and that was the famous case of the alleged contract between Iraq and Niger for the import of yellowcake, uranium oxide.
- 存在这样一个例子,就是那个著名的被宣称的伊拉克和尼泊尔间的冲突,因为“黄饼”-铀氧化物-的进口。
article.yeeyan.org
- 14. Another of the authors supplied Marie with the uranium with which she experimented.
- 而此信另一个作者也曾经提供玛丽试验所用的铀。
article.yeeyan.org
- 15. But there is presumably much more to inspect, including facilities for enriching uranium.
- 但是据推测还有更多需要检查的地方,包括铀浓缩工厂。
article.yeeyan.org
- 16. This is because coal contains trace amounts of uranium and thorium, which are concentrated in the ash.
- 这是因为煤含有极微量的铀和钍,含量在排放的飞尘中得到提高。
article.yeeyan.org
- 17. Then she found that pitchblende was more radioactive than uranium by itself.
- 于是她发现沥青油矿,它的放射性要比铀本身还要强。
article.yeeyan.org
- 18. However, western officials cautioned that there were still many issues to be resolved, about timing and the quantity of uranium involved, as well as guarantees about its handling.
- 然而,西方官员警告说,仍有许多问题有待解决,如确定与此相关的具体时间、所涉及的铀的数量,以及如何确保其得到恰当的处理。
article.yeeyan.org
- 19. These rays are emitted during the decay of certain versions of uranium, iodine, cesium and other elements.
- 铀、碘、铯和另一些化学元素的某些同位素在衰变过程中会放射出这些射线。
article.yeeyan.org
- 20. Uranium generates gigantic amounts of energy in a very small space, which wind and solar combined cannot come close to.
- 铀在一块很小的地方就能产生巨大的能量,这是风能和太阳能联合起来也无法比拟的。
article.yeeyan.org
- 21. One problem China will face, even if it develops and employs more-advanced reactors, is the lack of enough uranium at home to supply them.
- 就算中国开发并应用了更加先进的反应堆,它将面临的一个问题是:国内缺乏足够的铀来提供原料。
cn.wsj.com
- 22. One problem China will face, even if it develops and employs more-advanced reactors, is the lack of enough uranium at home to supply them.
- 就算中国开发并应用了更加先进的反应堆,它将面临的一个问题是:国内缺乏足够的铀来提供原料。
cn.wsj.com
- 23. On behalf of the A.E.A., the uranium reconnaissance in the U.K. was undertaken.
- 受原子能管理局的委托,在英国开展了铀矿普查工作。
-- 来源 -- 英汉 - 辞典例句
- 24. At Scinto 6 uranium occurs in much altered dolerite below the unconformity.
- “辛托6”的铀矿体产于不整合面之下变质甚深的粒玄岩中。
-- 来源 -- 英汉 - 辞典例句
- 25. Primary chemical differentiation accounts for the prepondence of uranium.
- 初步的化学分异使铀富集。
-- 来源 -- 英汉 - 辞典例句
- 26. All the streams flowing off the granite contain dissolved uranium.
- 所有源于花岗岩的河流都含有可溶性的铀。
-- 来源 -- 英汉 - 辞典例句
- 27. Recently worldwide favourability for uranium deposition has been discussed by a panel of uranium geologists.
- 最近,铀矿地质工作者集会讨论了世界范围内铀成矿的有利条件。
-- 来源 -- 英汉 - 辞典例句
- 28. A combinatin of sources of uranium may be the most realistic postulate.
- 各种铀来源的综合考虑可能是最现实的假说。
-- 来源 -- 英汉 - 辞典例句
- 29. Relocation of syngenetic uranium may explain a characteristic feature of the deposits.
- 同生铀的重新分布可以用来解释矿床的一个典型特征。
-- 来源 -- 英汉 - 辞典例句
- 30. Age determination data indicate episodic crystallization of uranium minerals.
- 年龄测定数据表明,铀矿物有着不同期的结晶。
-- 来源 -- 英汉 - 辞典例句
- 31. Radiometric techniques are not always appropriate to the earth for uranium deposits.
- 放射性方法在铀矿普查中并不总是有效的。
-- 来源 -- 英汉 - 辞典例句
- 32. Secular disequilibrium of uranium can lead to erroneous results.
- 铀的永久不平衡会导致错误的结果。
-- 来源 -- 英汉 - 辞典例句