degree of burn up

简明释义

燃耗度

英英释义

例句

1.After the accident, they recorded the degree of burn up 烧伤程度 to file an insurance claim.

事故发生后，他们记录了烧伤程度以提交保险索赔。

2.The nurse used a chart to categorize the degree of burn up 烧伤程度 for each patient.

护士使用图表对每位患者的烧伤程度进行分类。

3.The doctor assessed the patient's injuries and noted the degree of burn up 烧伤程度 on their arm.

医生评估了病人的伤情，并注意到他们手臂上的烧伤程度。

4.The firefighter explained that the degree of burn up 烧伤程度 affects how long a person needs to heal.

消防员解释说，烧伤程度会影响一个人需要多长时间才能愈合。

5.In the emergency room, the staff quickly determined the degree of burn up 烧伤程度 to provide appropriate treatment.

在急救室，工作人员迅速确定了烧伤程度以提供适当的治疗。

作文

Understanding the concept of the degree of burn up is essential in various fields, particularly in nuclear physics and engineering. The degree of burn up refers to the measure of how much energy has been extracted from nuclear fuel during its time in a reactor. This measurement is crucial for assessing the efficiency and safety of nuclear reactors. As nuclear fuel undergoes fission, it releases energy that can be harnessed for electricity generation. However, the process also produces radioactive waste, which poses significant challenges for disposal and environmental safety.In the context of nuclear energy, the degree of burn up is typically expressed in gigawatt-days per metric ton of uranium (GWd/tU). A higher degree of burn up indicates that more energy has been derived from the fuel, suggesting a more efficient use of resources. For instance, modern reactors aim for a degree of burn up of around 50 GWd/tU or more, compared to older designs that might only achieve 30 GWd/tU. This improvement not only maximizes energy output but also minimizes the volume of spent fuel that requires management after the fuel's lifecycle ends.The implications of the degree of burn up extend beyond just energy production. As the degree of burn up increases, the composition of the spent fuel changes, leading to different isotopes being present in the waste. These isotopes have varying levels of radioactivity and half-lives, which affects how the waste must be handled and stored. Understanding the degree of burn up is therefore critical for developing strategies for long-term waste management and ensuring that nuclear power remains a viable option for energy production.Moreover, the degree of burn up influences operational practices within a nuclear facility. Operators must monitor the degree of burn up closely to ensure that the reactor operates safely and efficiently. If the degree of burn up exceeds certain thresholds, it may indicate potential issues such as fuel degradation or increased risk of accidents. Therefore, maintaining the appropriate degree of burn up is essential not only for optimal performance but also for the safety of the plant and surrounding communities.In conclusion, the degree of burn up is a vital concept in the realm of nuclear energy. It serves as a benchmark for evaluating fuel efficiency, waste management, and safety protocols. As the world continues to seek sustainable and efficient energy sources, understanding and optimizing the degree of burn up will remain a key focus for researchers, engineers, and policymakers alike. By improving our grasp of this concept, we can enhance the role of nuclear power in a balanced energy portfolio and address the challenges associated with radioactive waste disposal effectively.

理解“degree of burn up”这个概念在各个领域，尤其是在核物理和工程中是至关重要的。“degree of burn up”指的是在核燃料在反应堆中的使用过程中提取的能量的度量。这个测量对于评估核反应堆的效率和安全性至关重要。当核燃料发生裂变时，它会释放出可以用于发电的能量。然而，这一过程也会产生放射性废物，这对处置和环境安全带来了重大挑战。在核能的背景下，“degree of burn up”通常以每公吨铀的千瓦日（GWd/tU）表示。更高的“degree of burn up”意味着从燃料中提取了更多的能量，表明资源的利用更加高效。例如，现代反应堆的目标是达到约50 GWd/tU或更高的“degree of burn up”，而较旧的设计可能仅能达到30 GWd/tU。这种改善不仅最大化了能量输出，还最小化了使用后燃料的体积，这些燃料在生命周期结束后需要管理。“degree of burn up”的影响不仅限于能量生产。随着“degree of burn up”的增加，使用后燃料的组成发生变化，导致废物中存在不同的同位素。这些同位素具有不同的放射性和半衰期，这影响了废物的处理和储存方式。因此，理解“degree of burn up”对于制定长期废物管理策略和确保核能作为能源生产的可行选择至关重要。此外，“degree of burn up”还影响核设施内的操作实践。操作员必须密切监测“degree of burn up”，以确保反应堆安全高效地运行。如果“degree of burn up”超过某些阈值，可能表明潜在问题，如燃料降解或事故风险增加。因此，保持适当的“degree of burn up”不仅对最佳性能至关重要，而且对工厂及周边社区的安全也是如此。总之，“degree of burn up”是核能领域的重要概念。它作为评估燃料效率、废物管理和安全协议的基准。随着世界继续寻求可持续和高效的能源来源，理解和优化“degree of burn up”将始终是研究人员、工程师和政策制定者的重点。通过提高我们对这一概念的掌握，我们可以增强核能在平衡能源组合中的作用，并有效应对与放射性废物处置相关的挑战。