mean square slowing down length

简明释义

均方慢化长度

英英释义

Mean square slowing down length refers to a statistical measure that quantifies the average squared distance a particle, such as a neutron, travels before its energy is significantly reduced due to interactions with matter.

均方减速长度是一个统计量度,量化了粒子(如中子)在与物质相互作用后,其能量显著降低之前所经过的平均平方距离。

例句

1.In a research paper, the authors discussed the mean square slowing down length 平均平方减速长度 as a key parameter in neutron transport theory.

在一篇研究论文中,作者将平均平方减速长度 mean square slowing down length 作为中子输运理论中的一个关键参数进行讨论。

2.In nuclear physics, the calculation of the mean square slowing down length 平均平方减速长度 is crucial for understanding neutron moderation.

在核物理中,计算平均平方减速长度 mean square slowing down length 对于理解中子减速至关重要。

3.Engineers use the mean square slowing down length 平均平方减速长度 to design better shielding materials for radiation protection.

工程师使用平均平方减速长度 mean square slowing down length 来设计更好的辐射防护屏蔽材料。

4.The mean square slowing down length 平均平方减速长度 helps in predicting how fast neutrons lose energy in a medium.

平均平方减速长度 mean square slowing down length 有助于预测中子在介质中失去能量的速度。

5.The mean square slowing down length 平均平方减速长度 can vary significantly depending on the type of material used.

根据所用材料的类型,平均平方减速长度 mean square slowing down length 可能会有显著变化。

作文

In the field of nuclear physics, understanding the behavior of neutrons as they interact with materials is crucial for various applications, including nuclear reactors and radiation shielding. One important concept that arises in this context is the mean square slowing down length, which plays a significant role in describing how neutrons lose energy as they collide with atoms in a medium. The mean square slowing down length can be defined as the average distance that a neutron travels before it loses a significant portion of its kinetic energy due to scattering events with the nuclei of the material. This concept not only helps physicists predict the behavior of neutrons but also aids in designing effective shielding materials to protect against radiation. The mean square slowing down length is influenced by several factors, including the type of material the neutrons are interacting with, the energy of the incoming neutrons, and the atomic composition of the target material. For instance, materials with high atomic mass tend to have larger mean square slowing down lengths because neutrons scatter more effectively off heavier nuclei. Conversely, lighter materials may result in shorter slowing down lengths due to less effective energy transfer during collisions. Understanding these interactions is essential for optimizing materials used in nuclear applications.Furthermore, the calculation of the mean square slowing down length is integral to the design of nuclear reactors, where controlling neutron flux is vital for maintaining a stable reaction. By selecting materials with appropriate slowing down characteristics, engineers can ensure that neutrons are moderated efficiently, allowing for a sustained fission process. This moderation is critical because it enhances the likelihood of neutrons inducing further fission reactions, thereby sustaining the chain reaction necessary for power generation.In addition to its application in nuclear reactors, the mean square slowing down length is also relevant in medical physics, particularly in radiation therapy. In this field, understanding how neutrons interact with biological tissues can help improve treatment planning and minimize damage to healthy cells. The ability to calculate the mean square slowing down length allows medical physicists to assess the effectiveness of different materials used in shielding and treatment modalities, ensuring that patients receive optimal doses while protecting surrounding tissues.In conclusion, the concept of mean square slowing down length is fundamental in understanding neutron interactions within various materials. Its implications stretch across multiple fields, from nuclear energy production to medical applications, highlighting the significance of this parameter in both theoretical and practical contexts. As research continues to advance, a deeper understanding of the mean square slowing down length will undoubtedly lead to improved technologies and methodologies that enhance safety and efficiency in nuclear physics and related disciplines.

在核物理领域,理解中子与材料相互作用的行为对于核反应堆和辐射屏蔽等各种应用至关重要。在这种情况下,一个重要的概念是均方减速长度,它在描述中子在与介质中的原子碰撞时如何失去能量方面发挥着重要作用。均方减速长度可以定义为中子在失去大量动能之前所经过的平均距离,这主要是由于与材料中原子的散射事件。这个概念不仅有助于物理学家预测中子的行为,还帮助设计有效的屏蔽材料,以保护免受辐射影响。均方减速长度受多种因素的影响,包括中子与之相互作用的材料类型、入射中子的能量以及目标材料的原子组成。例如,具有高原子质量的材料往往具有较大的均方减速长度,因为中子在较重的原子核上散射更有效。相反,轻质材料可能导致较短的减速长度,因为在碰撞过程中能量转移不够有效。理解这些相互作用对于优化用于核应用的材料至关重要。此外,均方减速长度的计算对于核反应堆的设计至关重要,在那里控制中子通量对于维持稳定反应是必不可少的。通过选择具有适当减速特性的材料,工程师可以确保中子被有效调节,从而允许持续的裂变过程。这种调节至关重要,因为它提高了中子诱发进一步裂变反应的可能性,从而维持发电所需的链式反应。除了在核反应堆中的应用外,均方减速长度在医学物理学中也很相关,特别是在放射治疗领域。在这一领域,了解中子如何与生物组织相互作用可以帮助改善治疗计划,并将对健康细胞的损害降到最低。能够计算均方减速长度使得医学物理学家能够评估用于屏蔽和治疗方式的不同材料的有效性,确保患者获得最佳剂量,同时保护周围组织。总之,均方减速长度的概念在理解中子在各种材料中的相互作用方面是基础的。它的影响跨越多个领域,从核能生产到医学应用,突显了这一参数在理论和实践背景下的重要性。随着研究的不断推进,对均方减速长度的更深入理解无疑将导致改进的技术和方法,从而提高核物理及相关学科的安全性和效率。

相关单词

slowing

slowing详解:怎么读、什么意思、用法

length

length详解:怎么读、什么意思、用法