threshold energy of fission

简明释义

裂变阈能

英英释义

例句

1.The reactor design must consider the threshold energy of fission 裂变的阈值能量 to ensure efficient power generation.

反应堆设计必须考虑<阈值能量的裂变>以确保有效的发电。

2.Researchers are studying materials that can lower the threshold energy of fission 裂变的阈值能量 to improve reactor efficiency.

研究人员正在研究可以降低<阈值能量的裂变>的材料，以提高反应堆效率。

3.The threshold energy of fission 裂变的阈值能量 determines how easily a nucleus can be split by incoming neutrons.

裂变的阈值能量决定了一个原子核被入射中子分裂的难易程度。

4.Calculating the threshold energy of fission 裂变的阈值能量 helps engineers design safer nuclear reactors.

计算<阈值能量的裂变>有助于工程师设计更安全的核反应堆。

5.In nuclear physics, understanding the threshold energy of fission 裂变的阈值能量 is crucial for predicting reaction outcomes.

在核物理学中，理解<阈值能量的裂变>对预测反应结果至关重要。

作文

The concept of threshold energy of fission is crucial in the field of nuclear physics and engineering. To understand this term, we must first delve into the basics of nuclear fission itself. Fission is a process where the nucleus of an atom splits into two or more smaller nuclei, along with the release of a significant amount of energy. This energy release is what makes fission a powerful source of energy, particularly in nuclear reactors and atomic bombs.However, not all nuclei can undergo fission spontaneously; they require a certain amount of energy to initiate the process. This is where the term threshold energy of fission comes into play. The threshold energy of fission refers to the minimum amount of energy that must be provided to a nucleus to induce fission. This energy can come from various sources, such as neutron bombardment or other forms of radiation.In practical terms, the threshold energy of fission is significant because it determines the feasibility of using certain isotopes as fuel in nuclear reactors. For instance, uranium-235 and plutonium-239 are commonly used in nuclear reactors because their threshold energy of fission is relatively low, allowing them to sustain a chain reaction effectively. In contrast, isotopes with a high threshold energy of fission may not be suitable for use in reactors, as they require more energy input to initiate fission, making them less efficient.Moreover, the threshold energy of fission is not a fixed value; it can vary depending on several factors, including the type of nucleus and the energy of the incoming particles. For example, thermal neutrons have lower energy compared to fast neutrons, which means that the threshold energy of fission for a nucleus can change based on the neutron’s speed. Understanding these nuances is essential for nuclear scientists and engineers when designing reactors and ensuring safety measures.In addition to its importance in energy production, the threshold energy of fission also has implications in nuclear weapons development. The ability to control and manipulate fission reactions is critical for creating devices that can harness this energy for explosive purposes. Therefore, knowledge of the threshold energy of fission is not only vital for peaceful applications but also for understanding the potential dangers associated with nuclear technology.In conclusion, the threshold energy of fission is a fundamental concept in nuclear physics that plays a pivotal role in both energy generation and the development of nuclear weapons. By comprehending the intricacies of this term, we can better appreciate the complexities of nuclear reactions and their impact on our world. As we continue to explore the potentials of nuclear energy, understanding the threshold energy of fission will remain essential for advancing technology while ensuring safety and sustainability in its applications.

“裂变的阈能”这一概念在核物理和工程领域至关重要。要理解这个术语，我们首先必须深入了解裂变的基本知识。裂变是一个过程，其中原子的核分裂成两个或多个较小的核，并释放出大量的能量。这种能量的释放使得裂变成为一种强大的能源来源，特别是在核反应堆和原子弹中。然而，并不是所有的核都能自发地进行裂变；它们需要一定量的能量来启动这个过程。这就是“裂变的阈能”一词的意义所在。“裂变的阈能”指的是必须提供给一个核以诱导裂变的最小能量。这种能量可以来自各种来源，例如中子轰击或其他形式的辐射。在实际应用中，“裂变的阈能”非常重要，因为它决定了某些同位素作为核反应堆燃料的可行性。例如，铀-235和钚-239通常用于核反应堆，因为它们的“裂变的阈能”相对较低，使其能够有效维持链式反应。相比之下，具有高“裂变的阈能”的同位素可能不适合在反应堆中使用，因为它们需要更多的能量输入来启动裂变，从而降低了效率。此外，“裂变的阈能”并不是一个固定值；它可以根据多种因素而变化，包括核的类型和入射粒子的能量。例如，热中子的能量低于快中子，这意味着一个核的“裂变的阈能”可以根据中子的速度而变化。理解这些细微差别对于核科学家和工程师在设计反应堆和确保安全措施时至关重要。除了在能源生产中的重要性外，“裂变的阈能”在核武器开发中也有着深远的影响。控制和操纵裂变反应的能力对于制造能够利用这种能量进行爆炸的装置至关重要。因此，了解“裂变的阈能”不仅对和平应用至关重要，而且对于理解与核技术相关的潜在危险也至关重要。总之，“裂变的阈能”是核物理中的一个基本概念，在能源生成和核武器开发中发挥着关键作用。通过理解这个术语的复杂性，我们可以更好地欣赏核反应的复杂性及其对我们世界的影响。随着我们继续探索核能的潜力，理解“裂变的阈能”将始终是推动技术进步，同时确保其应用的安全性和可持续性的关键。