heavy water moderated reactor

简明释义

重水慢化反应堆

英英释义

例句

1.The design of the heavy water moderated reactor 重水调节反应堆 allows for better neutron economy compared to light water reactors.

与轻水反应堆相比，<重水调节反应堆>的设计允许更好的中子经济性。

2.Many countries have opted for a heavy water moderated reactor 重水调节反应堆 due to its ability to use natural uranium as fuel.

许多国家选择使用<重水调节反应堆>，因为它能够使用天然铀作为燃料。

3.A heavy water moderated reactor 重水调节反应堆 can achieve a higher thermal efficiency, making it an attractive option for power generation.

<重水调节反应堆>可以实现更高的热效率，使其成为发电的一个有吸引力的选择。

4.Safety measures are crucial when operating a heavy water moderated reactor 重水调节反应堆 to prevent any potential leaks.

在操作<重水调节反应堆>时，安全措施至关重要，以防止任何潜在的泄漏。

5.The research team is studying the efficiency of a heavy water moderated reactor 重水调节反应堆 in producing isotopes for medical use.

研究小组正在研究<重水调节反应堆>在生产医疗用同位素方面的效率。

作文

The concept of a heavy water moderated reactor plays a significant role in the field of nuclear engineering and energy production. A heavy water moderated reactor is a type of nuclear reactor that uses heavy water (D2O) as a neutron moderator. This allows the reactor to utilize natural uranium as fuel, which is a significant advantage over other types of reactors that require enriched uranium. The ability to use natural uranium not only reduces fuel costs but also minimizes the proliferation risks associated with enriched uranium. Heavy water is water that contains a larger than normal proportion of the isotope deuterium, which is a stable isotope of hydrogen. In a heavy water moderated reactor, the heavy water slows down the neutrons produced during the fission process, increasing the likelihood of further fission reactions. This moderation process is crucial because slow neutrons are more effective at sustaining the chain reaction needed for the reactor to operate efficiently. One of the most well-known examples of a heavy water moderated reactor is the CANDU reactor, developed in Canada. The CANDU reactor design has been widely adopted around the world due to its safety features, efficiency, and the flexibility it offers in terms of fuel use. It can operate on various fuel types, including natural uranium, recycled uranium, and even thorium, making it a versatile option for many countries looking to develop their nuclear energy capabilities.In addition to its fuel flexibility, the heavy water moderated reactor has several other advantages. For instance, because it does not require enriched fuel, the supply chain for uranium can be simpler and less costly. Furthermore, the use of heavy water allows for a higher neutron economy, which means that more neutrons are available for sustaining the fission process, leading to improved efficiency. However, there are challenges associated with heavy water moderated reactors as well. The production of heavy water is more expensive than regular water, which can increase the overall cost of building and operating these reactors. Additionally, heavy water is radioactive, and managing this radioactivity poses additional safety concerns that must be addressed through careful engineering and operational protocols. Despite these challenges, the importance of heavy water moderated reactors in the global energy landscape cannot be overstated. As countries continue to seek reliable and sustainable energy sources, nuclear power remains a key player. The unique characteristics of heavy water moderated reactors position them as a viable option for nations looking to diversify their energy portfolios while minimizing carbon emissions. In conclusion, the heavy water moderated reactor represents a fascinating intersection of technology and environmental stewardship. Its ability to utilize natural uranium and operate efficiently with a variety of fuel sources makes it an attractive choice for many nations. As we move forward into an era where sustainable energy solutions are critical, understanding and investing in technologies like the heavy water moderated reactor will be essential for meeting our energy needs responsibly and effectively.

重水调节反应堆的概念在核工程和能源生产领域中扮演着重要角色。重水调节反应堆是一种使用重水（D2O）作为中子的调节剂的核反应堆。这使得反应堆能够利用天然铀作为燃料，这比其他需要浓缩铀的反应堆具有显著优势。使用天然铀不仅降低了燃料成本，还减少了与浓缩铀相关的扩散风险。重水是含有较高比例氘同位素的水，氘是氢的稳定同位素。在重水调节反应堆中，重水减缓了在裂变过程中产生的中子，从而增加了进一步裂变反应的可能性。这个调节过程至关重要，因为慢中子在维持反应堆有效运行所需的链式反应中更为有效。最著名的重水调节反应堆的例子之一是加拿大开发的CANDU反应堆。由于其安全特性、效率以及在燃料使用方面的灵活性，CANDU反应堆设计已在全球广泛采用。它可以使用多种燃料类型，包括天然铀、回收铀甚至钍，使其成为许多希望发展核能能力国家的多功能选择。除了燃料灵活性外，重水调节反应堆还有几个其他优点。例如，由于不需要浓缩燃料，铀的供应链可以更简单且成本更低。此外，使用重水允许更高的中子经济，这意味着更多的中子可用于维持裂变过程，导致效率提高。然而，重水调节反应堆也面临一些挑战。重水的生产成本比普通水高，这可能增加建造和运营这些反应堆的整体成本。此外，重水是放射性的，管理这种放射性会带来额外的安全隐患，必须通过仔细的工程和操作协议来解决。尽管存在这些挑战，重水调节反应堆在全球能源格局中的重要性不可低估。随着各国继续寻求可靠和可持续的能源来源，核能仍然是关键参与者。重水调节反应堆的独特特性使其成为希望多样化能源组合的国家的可行选择，同时最大限度地减少碳排放。总之，重水调节反应堆代表了技术与环境管理的迷人交汇点。它能够利用天然铀并以多种燃料来源高效运行，使其成为许多国家的吸引选择。随着我们进入一个可持续能源解决方案至关重要的时代，理解和投资像重水调节反应堆这样的技术将对负责任和有效地满足我们的能源需求至关重要。