heavy water reactor
简明释义
重水反应堆
英英释义
例句
1.The country invested in a new heavy water reactor to enhance its energy production capabilities.
该国投资了一座新的重水反应堆以增强其能源生产能力。
2.The safety protocols for operating a heavy water reactor are more complex than those for light water reactors.
操作重水反应堆的安全协议比轻水反应堆的更为复杂。
3.A heavy water reactor can utilize natural uranium as fuel, making it a cost-effective option.
一个重水反应堆可以利用天然铀作为燃料,这使其成为一种经济有效的选择。
4.Researchers are studying the efficiency of the heavy water reactor in producing isotopes for medical use.
研究人员正在研究重水反应堆在生产医学用同位素方面的效率。
5.The design of the heavy water reactor allows for better neutron economy compared to other reactor types.
与其他反应堆类型相比,重水反应堆的设计允许更好的中子经济性。
作文
The development of nuclear energy has been one of the most significant scientific advancements of the 20th century. Among the various types of reactors that have been designed to harness this energy, the heavy water reactor stands out for its unique properties and capabilities. A heavy water reactor (重水反应堆) utilizes heavy water (D2O) as a neutron moderator and coolant. This allows it to operate with natural uranium fuel, which is less processed than the enriched uranium used in light water reactors. One of the key advantages of a heavy water reactor is its ability to use natural uranium. This is particularly important for countries that may not have access to enrichment facilities. By using natural uranium, a heavy water reactor can produce electricity without the need for expensive and complex enrichment processes. This makes it an attractive option for nations looking to develop their nuclear energy capabilities without relying on foreign sources of enriched fuel.In addition to its fuel flexibility, the heavy water reactor also has a high thermal efficiency. The properties of heavy water allow for better neutron economy, meaning that fewer neutrons are lost during the fission process. This results in a more efficient reaction and, consequently, more energy produced per unit of fuel consumed. This efficiency can lead to lower operational costs over the lifespan of the reactor, making it an economically viable option for electricity generation.However, the use of a heavy water reactor is not without its challenges. One of the primary concerns is the management of heavy water itself, which is more expensive to produce than regular water. Additionally, the construction and maintenance of these reactors require advanced technology and skilled personnel, which may not be readily available in all regions. Furthermore, there are ongoing discussions about the proliferation risks associated with heavy water reactors, as they can potentially be used to produce weapons-grade plutonium.Despite these challenges, many countries continue to invest in heavy water reactor technology. For example, Canada has been a pioneer in this field, with its CANDU reactors being widely recognized for their safety and efficiency. These reactors have been exported to several countries, demonstrating the global interest in heavy water reactor technology.In conclusion, the heavy water reactor represents a significant advancement in nuclear technology, offering unique advantages in fuel utilization and thermal efficiency. While there are challenges associated with its use, the benefits it provides make it an important option for countries seeking to expand their nuclear energy programs. As the world moves towards cleaner energy solutions, the role of heavy water reactors may become increasingly prominent in the global energy landscape. Understanding the implications of this technology is crucial for policymakers and energy stakeholders alike, as it holds the potential to shape the future of energy production in a sustainable manner.
核能的发展是20世纪最重要的科学进步之一。在设计用以利用这一能源的各种反应堆中,重水反应堆因其独特的特性和能力而脱颖而出。重水反应堆(heavy water reactor)使用重水(D2O)作为中子慢化剂和冷却剂。这使得它能够使用天然铀燃料进行运行,而天然铀燃料比轻水反应堆所需的富集铀燃料加工程度更低。重水反应堆的一个主要优势是它能够使用天然铀。这一点对于那些可能无法获得铀浓缩设施的国家尤为重要。通过使用天然铀,重水反应堆能够在不依赖昂贵和复杂的铀浓缩过程的情况下发电。这使得它成为希望发展核能能力的国家的一个有吸引力的选择,而无需依赖外国的富集燃料来源。除了燃料灵活性外,重水反应堆还具有较高的热效率。重水的特性允许更好的中子经济,这意味着在裂变过程中损失的中子更少。这导致反应更加高效,因此每单位消耗的燃料产生更多的能量。这种效率可以在反应堆的使用寿命内降低运营成本,使其成为发电的经济可行选择。然而,使用重水反应堆并非没有挑战。主要的担忧之一是重水本身的管理,因为重水的生产成本高于普通水。此外,这些反应堆的建设和维护需要先进的技术和熟练的人才,而这些在所有地区可能并不容易获得。此外,关于与重水反应堆相关的扩散风险的讨论仍在继续,因为它们有可能用于生产武器级钚。尽管面临这些挑战,许多国家仍然在投资重水反应堆技术。例如,加拿大在这一领域处于领先地位,其CANDU反应堆因安全性和效率而广受认可。这些反应堆已被出口到多个国家,展示了全球对重水反应堆技术的兴趣。总之,重水反应堆代表了核技术的重大进步,在燃料利用和热效率方面提供了独特的优势。尽管其使用面临挑战,但它所提供的好处使其成为希望扩大核能项目的国家的重要选择。随着世界向清洁能源解决方案迈进,重水反应堆的角色在全球能源格局中可能会变得越来越突出。理解这一技术的影响对政策制定者和能源利益相关者至关重要,因为它有潜力以可持续的方式塑造未来的能源生产。