average cross section

简明释义

平均截面

英英释义

The average cross section refers to the mean value of the area of a particular section of an object or substance, typically used in physics and engineering to describe the likelihood of interactions occurring, such as scattering or absorption, when particles pass through a material.

平均截面是指特定物体或物质某一部分的面积的平均值,通常用于物理和工程中,描述当粒子通过材料时发生相互作用(如散射或吸收)的可能性。

例句

1.The average cross section of the beam was measured to determine its strength and stability.

测量了梁的平均横截面以确定其强度和稳定性。

2.The engineer calculated the average cross section of the pipeline to ensure it could handle the required flow rate.

工程师计算了管道的平均横截面以确保其能够处理所需的流量。

3.When calculating the load, the construction team needed the average cross section of the support beams.

在计算负载时,施工团队需要支撑梁的平均横截面

4.To optimize the design, the architect reviewed the average cross section of the building's walls.

为了优化设计,建筑师审查了建筑墙体的平均横截面

5.In physics, the average cross section of a particle collision is essential for understanding reaction rates.

在物理学中,粒子碰撞的平均横截面对于理解反应速率至关重要。

作文

In the field of physics and engineering, the term average cross section is often used to describe a fundamental concept that plays a crucial role in understanding various phenomena. The average cross section refers to a measure of the likelihood that a particular interaction will occur between particles or between a particle and a target material. It is essentially a statistical representation that provides insight into how particles behave when they collide with one another or with other materials.To illustrate this concept, let’s consider the example of nuclear reactions. When a beam of particles, such as neutrons, is directed towards a target material, the average cross section can indicate how likely these neutrons are to interact with the nuclei of the atoms in the target. A larger average cross section suggests that the neutrons are more likely to be absorbed or scattered by the target material, while a smaller average cross section indicates a lower probability of interaction.The importance of the average cross section extends beyond nuclear physics; it is also significant in fields such as materials science, radiation therapy, and even astrophysics. For instance, in radiation therapy, understanding the average cross section of tumor cells in relation to radiation can help medical professionals determine the optimal dosage needed to effectively target and destroy cancerous cells while minimizing damage to surrounding healthy tissue.Moreover, the average cross section can vary depending on several factors, including the energy of the incoming particles and the type of target material. This variability means that scientists and engineers must conduct experiments and gather data to accurately determine the average cross section for specific interactions under different conditions. Such data is crucial for designing experiments, predicting outcomes, and developing technologies that rely on particle interactions.In summary, the concept of average cross section is essential for understanding how particles interact in various contexts. It serves as a key parameter in fields ranging from nuclear physics to medical applications, providing valuable insights that inform both theoretical research and practical applications. As we continue to explore the complexities of the universe at the microscopic level, the average cross section will remain an important tool for scientists and engineers alike, guiding them in their quest to unravel the mysteries of matter and energy.In conclusion, grasping the meaning and implications of the average cross section is vital for anyone engaged in scientific research or engineering. By comprehending how this concept applies across different disciplines, we can better appreciate the intricate interactions that govern the behavior of particles and the development of technologies that harness these interactions for the benefit of society.

在物理和工程领域,术语平均截面通常用于描述一个基本概念,这个概念在理解各种现象中起着至关重要的作用。平均截面指的是一种度量,表示特定相互作用发生的可能性,无论是粒子之间的相互作用,还是粒子与目标材料之间的相互作用。它本质上是一个统计表示,提供了关于粒子在碰撞时如何行为的见解。为了说明这一概念,让我们考虑核反应的例子。当一束粒子(如中子)被指向目标材料时,平均截面可以表明这些中子与目标中原子核相互作用的可能性。较大的平均截面表明中子更有可能被目标材料吸收或散射,而较小的平均截面则表示相互作用的概率较低。平均截面的重要性超越了核物理学;它在材料科学、放射治疗甚至天体物理学等领域也具有重要意义。例如,在放射治疗中,了解肿瘤细胞与辐射的平均截面可以帮助医疗专业人员确定有效靶向和摧毁癌细胞所需的最佳剂量,同时尽量减少对周围健康组织的损害。此外,平均截面可能会因多种因素而异,包括入射粒子的能量和目标材料的类型。这种可变性意味着科学家和工程师必须进行实验并收集数据,以准确确定特定相互作用在不同条件下的平均截面。这些数据对设计实验、预测结果以及开发依赖于粒子相互作用的技术至关重要。总之,平均截面的概念对于理解粒子在各种背景下的相互作用至关重要。它作为核物理学到医学应用等领域的关键参数,提供了宝贵的见解,指导理论研究和实际应用。随着我们继续探索微观层面宇宙的复杂性,平均截面将继续成为科学家和工程师的重要工具,指引他们在揭示物质和能量奥秘的过程中前行。最后,掌握平均截面的含义和影响对于任何从事科学研究或工程的人来说都是至关重要的。通过理解这一概念在不同学科中的应用,我们可以更好地欣赏支配粒子行为的复杂相互作用,以及利用这些相互作用为社会带来利益的技术的发展。