enriched uranium

简明释义

浓缩铀

英英释义

例句

1.The nuclear reactor operates using enriched uranium, which is essential for sustaining the nuclear fission process.

核反应堆使用浓缩铀，这对于维持核裂变过程至关重要。

2.The production of enriched uranium involves complex processes like gas diffusion and centrifugation.

生产浓缩铀涉及气体扩散和离心等复杂过程。

3.The facility was designed to handle enriched uranium safely and securely.

该设施旨在安全、可靠地处理浓缩铀。

4.Countries are required to report their stockpiles of enriched uranium to ensure transparency in nuclear activities.

各国需要报告其浓缩铀储备，以确保核活动的透明度。

5.Concerns about nuclear proliferation often center on the availability of enriched uranium for weapons development.

对核扩散的担忧通常集中在浓缩铀可用于武器开发的可得性上。

作文

The term enriched uranium refers to uranium in which the proportion of the isotope uranium-235 has been increased through a process called enrichment. Natural uranium consists mostly of uranium-238, with only about 0.7% being uranium-235, which is the isotope that can sustain a nuclear chain reaction. The enrichment process increases the concentration of uranium-235 to levels suitable for use in nuclear reactors or for nuclear weapons. This manipulation of uranium is crucial for various applications in the field of nuclear energy and weaponry.Historically, the development of enriched uranium played a significant role during World War II, particularly in the Manhattan Project, which led to the creation of the first atomic bombs. The ability to enrich uranium was a technological milestone that allowed scientists to harness the immense energy released during nuclear fission. As nations began to explore nuclear power as an alternative energy source in the following decades, enriched uranium became a key component in the fuel used for nuclear reactors. The process of enriching uranium can be achieved through several methods, including gas diffusion, gas centrifugation, and laser enrichment. Each method has its own advantages and challenges, but they all aim to increase the percentage of uranium-235 in the material. The enriched product can then be fabricated into fuel rods for use in commercial nuclear reactors, which generate electricity for millions of people worldwide.However, the production and use of enriched uranium are not without controversy. The dual-use nature of this material—its applicability in both civilian energy production and military weaponry—raises significant ethical and security concerns. Nations that possess the technology to enrich uranium must navigate complex international regulations and treaties designed to prevent the proliferation of nuclear weapons. The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) is one such agreement that aims to limit the spread of nuclear weapons while promoting peaceful uses of nuclear energy.In recent years, tensions surrounding enriched uranium have escalated in various geopolitical contexts. For instance, countries like Iran have been scrutinized for their uranium enrichment activities, leading to international negotiations and sanctions aimed at curbing potential military applications. These discussions highlight the delicate balance between a nation's right to develop nuclear energy and the global imperative to prevent the spread of nuclear weapons.In conclusion, the concept of enriched uranium is pivotal in understanding both the benefits and risks associated with nuclear technology. While it serves as a vital resource for generating clean energy, it also poses significant challenges in terms of security and non-proliferation. As the world continues to grapple with energy demands and environmental concerns, the future of enriched uranium will undoubtedly remain a topic of critical importance in international relations and energy policy.

短语enriched uranium指的是通过一种称为浓缩的过程增加了铀-235同位素比例的铀。天然铀主要由铀-238组成，其中约0.7%是铀-235，而铀-235是能够维持核链反应的同位素。浓缩过程将铀-235的浓度提高到适合用于核反应堆或核武器的水平。对铀的这种操控在核能和武器领域的各种应用中至关重要。历史上，enriched uranium的发展在第二次世界大战期间发挥了重要作用，特别是在曼哈顿计划中，该计划导致了第一颗原子弹的制造。铀浓缩的能力是一个技术里程碑，使科学家们能够利用核裂变释放的巨大能量。在接下来的几十年里，各国开始探索核能作为替代能源，enriched uranium成为用于核反应堆燃料的关键成分。铀浓缩的过程可以通过几种方法实现，包括气体扩散、气体离心和激光浓缩。每种方法都有其自身的优点和挑战，但它们的目标都是提高材料中铀-235的百分比。浓缩后的产品可以制成燃料棒，用于商业核反应堆，这些反应堆为全球数百万人提供电力。然而，enriched uranium的生产和使用并非没有争议。这种材料的双重用途——在民用能源生产和军事武器中的适用性——引发了重大伦理和安全问题。拥有浓缩铀技术的国家必须应对复杂的国际法规和条约，这些法规和条约旨在防止核武器的扩散。《不扩散核武器条约》（NPT）就是一项旨在限制核武器扩散，同时促进核能和平利用的协议。近年来，围绕enriched uranium的紧张局势在各种地缘政治背景中升级。例如，伊朗等国因其铀浓缩活动而受到审查，导致国际谈判和制裁，旨在遏制潜在的军事应用。这些讨论突显了一个国家开发核能的权利与全球防止核武器扩散的迫切需求之间的微妙平衡。总之，enriched uranium的概念对于理解核技术相关的好处和风险至关重要。虽然它作为产生清洁能源的重要资源，但在安全和不扩散方面也带来了重大挑战。随着世界继续应对能源需求和环境问题，enriched uranium的未来无疑将在国际关系和能源政策中保持重要话题。