yellowcake

简明释义

英[ˈjeləʊkeɪk]美[ˈjeloʊˌkeɪk]

n. 黄饼（核反应燃料重铀酸铵或重铀酸钠的俗称）

英英释义

单词用法

同义词

反义词

例句

1.Through precipitate circulation and aging, the yellowcake slurry in amorphous or microlite form was transformed to crystal precipitate.

采用浆体循环与陈化沉淀的方法，使沉淀的铀浓缩物由无定形凝胶体或微晶转化成易沉降过滤的粗晶体。

2.It has converted yellowcake into uranium hexafluoride gas.

他们已经能将黄饼转化为铀的六氟化物气体。

3.I was very curious about that, because I could not see why Iraq should at this stage, in 2002, want to import yellowcake.

我非常好奇为什么伊拉克在2002年还要进口“黄饼”。

4.Two mines, one of which is within Namib-Naukluft Park, are now producing uranium; output is expected to rise from 12 million pounds of yellowcake to around 40 million pounds by 2015.

有两个矿藏——其中一个在Namib-Naukluft公园之内——出产铀矿；到2015年，黄饼*9的产出水平预计会从12000000磅上升至大约40000000磅。

5.Two mines, one of which is within Namib-Naukluft Park, are now producing uranium; output is expected to rise from 12 million pounds of yellowcake to around 40 million pounds by 2015.

有两个矿藏——其中一个在Namib-Naukluft公园之内——出产铀矿；到2015年，黄饼*9的产出水平预计会从12000000磅上升至大约40000000磅。

6.The international inspection team ensured that no yellowcake was missing.

国际监督小组保证，不会丢失任何镍矿石。

7.After extraction, the uranium is converted into yellowcake for easier transportation.

提取后，铀被转化为便于运输的黄饼。

8.Many countries have strict regulations on the trade of yellowcake.

许多国家对黄饼的交易有严格的规定。

9.The nuclear facility is designed to handle yellowcake safely.

该核设施旨在安全处理黄饼。

10.Environmentalists are concerned about the potential hazards of yellowcake production.

环保人士对黄饼生产的潜在危害表示担忧。

11.The uranium ore was processed to produce high-quality yellowcake.

铀矿石经过加工，生产出高质量的黄饼。

作文

Yellowcake is a term that refers to a type of concentrated uranium powder that is produced during the uranium extraction process. It plays a crucial role in the nuclear fuel cycle and is often considered a key intermediate product in the production of nuclear fuel. The process of obtaining yellowcake involves the mining of uranium ore, followed by milling and chemical processing to separate the uranium from other materials. Once extracted, the uranium is then converted into yellowcake, which is typically a yellow or brown powder consisting primarily of uranium oxide (U3O8). This powder can then be transported to enrichment facilities where it undergoes further processing to increase the concentration of the fissile isotope U-235 necessary for nuclear reactors or weapons.The significance of yellowcake (黄饼) in the context of nuclear energy cannot be overstated. As countries around the world seek to diversify their energy sources and reduce carbon emissions, nuclear power has emerged as a viable alternative to fossil fuels. The demand for yellowcake (黄饼) has consequently increased, leading to a renewed interest in uranium mining and processing. However, this surge in demand also raises important questions regarding safety, environmental impacts, and geopolitical issues associated with the nuclear industry.One of the primary concerns surrounding yellowcake (黄饼) production is the potential for environmental contamination. The mining and milling processes can result in the release of radioactive materials and heavy metals into the surrounding ecosystem. Proper management and regulation are essential to ensure that these activities do not lead to long-term damage to the environment and public health. Additionally, the transportation of yellowcake (黄饼) from mining sites to processing facilities poses its own set of risks, including accidents and potential exposure to radiation.Another critical aspect of yellowcake (黄饼) is its association with nuclear proliferation. The ability to produce and enrich uranium has significant implications for national security and international relations. Countries that possess the technology to convert yellowcake (黄饼) into weapons-grade material can pose a threat to global stability. This has led to strict regulations and monitoring by international organizations such as the International Atomic Energy Agency (IAEA) to prevent the misuse of nuclear materials.Despite these challenges, the future of yellowcake (黄饼) and the nuclear industry remains promising. Advances in technology are making the extraction and processing of uranium more efficient and environmentally friendly. Furthermore, as the world grapples with the effects of climate change, the role of nuclear energy as a low-carbon energy source is likely to become increasingly important. The development of new reactor designs, such as small modular reactors (SMRs), may also enhance the safety and sustainability of nuclear power, further driving the demand for yellowcake (黄饼).In conclusion, yellowcake (黄饼) is a vital component of the nuclear fuel cycle, serving as an essential intermediary in the production of nuclear energy. While it presents various challenges related to environmental safety and geopolitical tensions, its potential as a clean energy source positions it as a critical player in the transition towards a more sustainable energy future. Understanding the complexities surrounding yellowcake (黄饼) will be essential for policymakers, industry leaders, and the public as we navigate the evolving landscape of global energy needs.

黄饼是一个术语，指的是在铀提取过程中产生的一种浓缩铀粉末。它在核燃料循环中扮演着至关重要的角色，通常被视为核燃料生产中的关键中间产品。获取黄饼的过程包括铀矿的开采，随后进行磨矿和化学处理，以将铀从其他材料中分离出来。提取后，铀被转化为黄饼，通常是一种主要由氧化铀（U3O8）组成的黄色或棕色粉末。然后，这种粉末可以运输到浓缩设施，在那里进行进一步处理，以增加核反应堆或武器所需的裂变同位素U-235的浓度。在核能的背景下，黄饼的重要性不容小觑。随着世界各国寻求多样化能源来源并减少碳排放，核能已成为化石燃料的可行替代方案。因此，黄饼的需求随之增加，导致对铀开采和加工的新一轮兴趣。然而，这种需求的激增也引发了关于核工业安全、环境影响和地缘政治问题的重要讨论。围绕黄饼生产的主要关注点之一是潜在的环境污染。开采和磨矿过程可能导致放射性物质和重金属释放到周围生态系统中。适当的管理和监管对于确保这些活动不会对环境和公众健康造成长期损害至关重要。此外，从采矿地点到加工设施的黄饼运输也带来了自身的一系列风险，包括事故和潜在的辐射暴露。黄饼的另一个关键方面是其与核扩散的关联。生产和浓缩铀的能力对国家安全和国际关系具有重大影响。拥有将黄饼转化为武器级材料技术的国家可能会对全球稳定构成威胁。这导致国际原子能机构（IAEA）等国际组织实施严格的监管和监控，以防止核材料的滥用。尽管面临这些挑战，黄饼和核工业的未来仍然充满希望。技术进步使得铀的提取和加工变得更加高效和环保。此外，随着世界应对气候变化的影响，核能作为低碳能源的角色可能变得越来越重要。新型反应堆设计的发展，例如小型模块化反应堆（SMRs），也可能增强核能的安全性和可持续性，进一步推动对黄饼的需求。总之，黄饼是核燃料循环中的重要组成部分，作为核能生产中的关键中介。尽管它在环境安全和地缘政治紧张局势方面提出了各种挑战，但作为清洁能源来源的潜力使其在向更可持续的能源未来过渡中占据关键地位。理解围绕黄饼的复杂性对于政策制定者、行业领导者和公众来说，将在我们应对全球能源需求不断变化的格局中至关重要。