once through fuel cycle

简明释义

一次燃料循环

英英释义

例句

1.In a once through fuel cycle 一次通过燃料循环, spent fuel is typically stored on-site before being transported for disposal.

在一次通过燃料循环 一次通过燃料循环中，使用过的燃料通常会在现场存储，然后运输进行处置。

2.The nuclear power plant operates on a once through fuel cycle 一次通过燃料循环, minimizing the need for reprocessing.

这座核电站采用一次通过燃料循环 一次通过燃料循环，减少了对再处理的需求。

3.Many experts argue that the once through fuel cycle 一次通过燃料循环 is a more straightforward approach to nuclear energy.

许多专家认为，一次通过燃料循环 一次通过燃料循环是核能更直接的方法。

4.Countries that adopt a once through fuel cycle 一次通过燃料循环 often face challenges in waste management.

采用一次通过燃料循环 一次通过燃料循环的国家常常面临废物管理的挑战。

5.The once through fuel cycle 一次通过燃料循环 is considered less complex than a closed fuel cycle.

与封闭燃料循环相比，一次通过燃料循环 一次通过燃料循环被认为复杂性较低。

作文

The concept of the once through fuel cycle is pivotal in understanding how nuclear energy is generated and managed. This process begins with the mining of uranium, which is then enriched to create fuel for nuclear reactors. Once the fuel is used in the reactor, it undergoes a fission reaction, producing a significant amount of energy. After this stage, the spent fuel is typically stored in pools or dry casks, where it cools and its radioactivity decreases over time. Unlike other fuel cycles, such as the reprocessing cycle, the once through fuel cycle does not involve recycling the spent fuel back into the system for further use. This approach has its advantages and disadvantages, which are essential to consider when discussing the future of nuclear energy.One of the main advantages of the once through fuel cycle is its simplicity. By not engaging in the reprocessing of spent fuel, the entire process is streamlined, making it easier to manage and regulate. Additionally, this method reduces the risks associated with handling and processing radioactive materials, as there is no need for complex facilities to reprocess the spent fuel. Furthermore, many argue that the once through fuel cycle is more cost-effective in the short term, as it avoids the high costs associated with reprocessing technologies.However, there are notable disadvantages to this approach. The most significant concern is the long-term management of nuclear waste. Since the spent fuel is not reprocessed, it remains highly radioactive and poses potential environmental and health risks. The challenge of finding suitable long-term storage solutions for this waste continues to be a contentious issue in the nuclear industry. Countries like the United States have struggled to establish a permanent repository for high-level radioactive waste, leading to temporary storage solutions that may not be sustainable in the long run. Moreover, the once through fuel cycle limits the potential for resource recovery. In contrast to reprocessing methods, where valuable materials such as plutonium and uranium can be extracted and reused, the once through fuel cycle effectively wastes these resources. This raises questions about the sustainability of nuclear energy as a long-term solution to global energy needs. As the world seeks to reduce carbon emissions and transition to cleaner energy sources, the efficiency and sustainability of the once through fuel cycle will be critical factors in the ongoing debate about the role of nuclear power in the energy mix.In conclusion, the once through fuel cycle represents a straightforward yet controversial approach to nuclear energy production. While it offers certain advantages in terms of simplicity and cost-effectiveness, the challenges associated with nuclear waste management and resource recovery cannot be overlooked. As we move forward, it is essential to weigh these factors carefully and consider alternative methods that may provide a more sustainable path for nuclear energy in the future. Ultimately, the decision to adopt the once through fuel cycle or explore other options will significantly impact our energy landscape and environmental health for generations to come.

“一次通过燃料循环”的概念在理解核能的产生和管理中至关重要。这个过程始于铀的开采，然后对其进行浓缩以制造核反应堆的燃料。一旦燃料在反应堆中使用，就会发生裂变反应，产生大量能量。在这一阶段之后，使用过的燃料通常存放在水池或干式储罐中，在那里它冷却并且其放射性随着时间的推移而降低。与其他燃料循环（如再处理循环）不同，“一次通过燃料循环”不涉及将使用过的燃料回收再利用。这种方法有其优缺点，在讨论核能的未来时必须考虑这些因素。“一次通过燃料循环”的主要优点之一是其简单性。由于不需要处理使用过的燃料，整个过程得以简化，使管理和监管变得更容易。此外，这种方法减少了处理和加工放射性材料相关的风险，因为不需要复杂的设施来再处理使用过的燃料。此外，许多人认为“一次通过燃料循环”在短期内更具成本效益，因为它避免了与再处理技术相关的高昂成本。然而，这种方法也存在显著的缺点。最主要的担忧是核废料的长期管理。由于使用过的燃料未被再处理，它仍然高度放射性，并对环境和健康构成潜在风险。寻找适合的长期存储解决方案的挑战仍然是核工业中的一个争议问题。像美国这样的国家一直在努力建立一个永久性高放射性废物处置场，导致临时存储解决方案可能在长期内不可持续。此外，“一次通过燃料循环”限制了资源回收的潜力。与再处理方法相比，后者可以提取和重用钚和铀等有价值材料，“一次通过燃料循环”则有效地浪费了这些资源。这引发了关于核能作为全球能源需求长期解决方案的可持续性的问题。随着世界寻求减少碳排放并过渡到更清洁的能源来源，“一次通过燃料循环”的效率和可持续性将是有关核能在能源组合中角色的持续辩论中的关键因素。总之，“一次通过燃料循环”代表了一种简单但有争议的核能生产方法。虽然它在简单性和成本效益方面提供了某些优势，但与核废物管理和资源回收相关的挑战不能被忽视。随着我们向前发展，仔细权衡这些因素并考虑可能提供更可持续的核能路径的替代方法至关重要。最终，采用“一次通过燃料循环”或探索其他选项的决定将对我们的能源格局和环境健康产生深远影响，影响几代人。