uranium

简明释义

英[juˈreɪniəm]美[juˈreɪniəm]

n. （化学元素）铀

英英释义

单词用法

同义词

反义词

例句

1.In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.

在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。

2.The US should set a deadline for the suspension of uranium enrichment.

美国应该为暂停铀浓缩设定一个最后期限。

3.A mixture of uranium oxides.

即各种铀氧化物的混合物。

4.Elements beyond uranium, these are synthetic.

铀元素之后的元素，是人工合成的。

5.From an airplane over a hilly wasteland a scientist sent back by radio one word, "Uranium".

一位科学家从一架小山丘陵地上的飞机上，通过无线电发送了一个单词，“铀”。

6.Uranium mining can also damage the environment.

铀矿也会毁坏环境。

7.That red is uranium oxide.

那红的是二氧化铀。

8.If you are talking about radiation, like in the element Uranium, yeah, that's dangerous.

如果你在谈论辐射，比如铀元素中的辐射，是的，那是危险的。

9.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。

10.Scientists are studying the properties of uranium for potential new energy sources.

科学家们正在研究铀的性质，以寻找潜在的新能源。

11.Some countries have banned the use of uranium for military purposes.

一些国家禁止将铀用于军事目的。

12.The mining of uranium has raised environmental concerns in many regions.

在许多地区，铀的开采引发了环境担忧。

13.The nuclear reactor uses enriched uranium to generate electricity.

核反应堆使用浓缩的铀来发电。

14.The half-life of uranium isotopes can vary significantly.

铀同位素的半衰期可能有很大差异。

作文

Uranium is a naturally occurring element that has gained significant attention due to its role in nuclear energy and weaponry. As one of the heaviest elements on the periodic table, it is primarily found in ores such as uraninite. The atomic number of uranium (铀) is 92, making it unique among the elements. This characteristic allows it to undergo fission, a process where the nucleus of an atom splits into smaller parts, releasing a tremendous amount of energy. This property is the foundation of both nuclear power generation and atomic bombs.The extraction and processing of uranium (铀) are critical components of the nuclear fuel cycle. Mining operations extract uranium (铀) ore from the earth, which is then processed to produce fuel for nuclear reactors. These reactors utilize the energy released during fission to generate electricity, providing a substantial portion of the world's energy supply. In fact, countries like France and the United States rely heavily on uranium (铀) to meet their energy demands, highlighting its importance in the global energy landscape.However, the use of uranium (铀) is not without controversy. The potential for nuclear accidents, as seen in Chernobyl and Fukushima, raises concerns about the safety of nuclear power. Additionally, the long-term storage of nuclear waste, which remains hazardous for thousands of years, poses significant environmental challenges. These issues have led to debates about the sustainability of uranium (铀) as an energy source.Moreover, the dual-use nature of uranium (铀) complicates its global governance. While many nations pursue uranium (铀) for peaceful energy purposes, others may seek it for developing nuclear weapons. This has resulted in international treaties and agreements aimed at preventing the proliferation of nuclear weapons, such as the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). Countries that possess uranium (铀) must navigate the delicate balance between utilizing it for energy and ensuring it does not contribute to global insecurity.In conclusion, uranium (铀) is a vital element that plays a crucial role in modern society, particularly in energy production and national security. Its unique properties allow for the generation of significant amounts of energy, but they also introduce complex challenges related to safety, waste management, and global security. As we move forward, it is essential to address these challenges while maximizing the benefits of uranium (铀) in a sustainable and responsible manner. Understanding the implications of uranium (铀) use is crucial for policymakers, scientists, and the general public alike, as we strive to create a balanced approach to energy production and safety in a rapidly changing world.

铀是一种自然存在的元素，由于其在核能和武器中的作用而受到广泛关注。作为周期表上最重的元素之一，它主要存在于铀矿等矿石中。铀的原子序数为92，使其在元素中独特。这一特性使其能够发生裂变，即原子核分裂成较小的部分，释放出巨大的能量。这个特性是核电产生和原子弹的基础。铀的提取和加工是核燃料循环的关键组成部分。采矿作业从地球中提取铀矿石，然后进行加工以生产核反应堆的燃料。这些反应堆利用裂变过程中释放的能量来发电，为全球能源供应提供了相当一部分。事实上，法国和美国等国家在满足其能源需求方面严重依赖铀，突显了其在全球能源格局中的重要性。然而，铀的使用并非没有争议。核事故的潜在风险，如切尔诺贝利和福岛，令人担忧核电的安全性。此外，核废料的长期储存，可能对环境造成重大挑战，因为这些废料在数千年内仍然具有危害性。这些问题引发了关于铀作为能源来源的可持续性的辩论。此外，铀的双重用途性质使其全球治理变得复杂。虽然许多国家追求和平的能源目的，但其他国家可能寻求开发核武器。这导致了旨在防止核武器扩散的国际条约和协议，例如《不扩散核武器条约》(NPT)。拥有铀的国家必须在利用其能源和确保其不助长全球不安全之间找到微妙的平衡。总之，铀是现代社会中至关重要的元素，在能源生产和国家安全方面发挥着关键作用。其独特的属性允许产生大量的能量，但也带来了与安全、废物管理和全球安全相关的复杂挑战。随着我们向前发展，解决这些挑战的同时最大化铀的益处，以可持续和负责任的方式进行是至关重要的。理解铀使用的影响对政策制定者、科学家和公众来说都是至关重要的，因为我们努力在快速变化的世界中创造一种平衡的能源生产和安全方法。