particle flux

简明释义

粒子通量

英英释义

例句

1.The laboratory experiment focused on measuring particle flux 粒子通量 in a vacuum chamber.

实验室实验专注于测量真空室中的粒子通量 particle flux。

2.In astrophysics, scientists analyze the particle flux 粒子通量 from cosmic rays to learn about the universe.

在天体物理学中，科学家分析来自宇宙射线的粒子通量 particle flux以了解宇宙。

3.Researchers are investigating how changes in temperature affect the particle flux 粒子通量 in marine environments.

研究人员正在调查温度变化如何影响海洋环境中的粒子通量 particle flux。

4.The particle flux 粒子通量 in nuclear reactors is crucial for maintaining a stable reaction.

核反应堆中的粒子通量 particle flux对维持稳定反应至关重要。

5.The study measured the particle flux 粒子通量 in the atmosphere to understand pollution levels.

这项研究测量了大气中的粒子通量 particle flux以了解污染水平。

作文

In the realm of physics and engineering, understanding the concept of particle flux is crucial for various applications. Particle flux refers to the rate at which particles pass through a given surface area in a specified amount of time. This concept is particularly significant in fields such as nuclear physics, astrophysics, and materials science. For instance, in nuclear reactors, the particle flux of neutrons is a key parameter that influences the reactor's behavior and efficiency. A higher particle flux indicates more neutrons are available for sustaining the fission reaction, which can lead to increased power output.Similarly, in astrophysics, the study of cosmic rays involves measuring the particle flux of high-energy particles originating from outer space. Understanding the particle flux of these cosmic rays helps scientists learn about the universe's origins and the processes occurring in distant astronomical phenomena. The interaction of these particles with Earth's atmosphere can also have implications for both technology and biology, making the measurement of particle flux essential for developing protective measures against radiation.In materials science, the particle flux is vital when studying the properties of materials under different conditions. For example, in thin film deposition techniques, controlling the particle flux of atoms or molecules can significantly affect the quality and characteristics of the resulting films. By adjusting the particle flux, researchers can manipulate the growth process, leading to materials with desired properties for various applications, such as semiconductors and coatings.Moreover, the concept of particle flux extends beyond just physical sciences; it also finds relevance in environmental studies. For instance, in the context of air pollution, understanding the particle flux of pollutants can help assess their impact on human health and the environment. Monitoring the particle flux of harmful substances allows for better regulatory measures and public health policies to be implemented.To calculate particle flux, one typically uses the formula: ϕ = N / AΔt, where ϕ represents the particle flux, N is the number of particles passing through the area A during the time interval Δt. This formula highlights that the particle flux is directly proportional to the number of particles and inversely proportional to the area and time, emphasizing the importance of these variables in practical applications.In conclusion, the concept of particle flux is a fundamental aspect of many scientific disciplines. Its applications range from enhancing nuclear reactor performance to understanding cosmic phenomena and improving material properties. As technology advances and our understanding of the universe deepens, the significance of particle flux will undoubtedly continue to grow, paving the way for innovations that can benefit society as a whole.

在物理和工程领域，理解“粒子通量”的概念对各种应用至关重要。“粒子通量”是指在特定时间内通过给定表面积的粒子的速率。这个概念在核物理、天体物理和材料科学等领域尤为重要。例如，在核反应堆中，中子的“粒子通量”是影响反应堆行为和效率的关键参数。较高的“粒子通量”表示有更多中子可用于维持裂变反应，这可能导致输出功率的增加。同样，在天体物理学中，宇宙射线研究涉及测量来自外太空的高能粒子的“粒子通量”。理解这些宇宙射线的“粒子通量”有助于科学家了解宇宙的起源以及遥远天文现象中发生的过程。这些粒子与地球大气层的相互作用也可能对技术和生物产生影响，因此测量“粒子通量”对制定辐射防护措施至关重要。在材料科学中，“粒子通量”在研究材料在不同条件下的性质时至关重要。例如，在薄膜沉积技术中，控制原子或分子的“粒子通量”可以显著影响所生成薄膜的质量和特性。通过调整“粒子通量”，研究人员可以操控生长过程，从而得到具有各种应用所需特性的材料，如半导体和涂层。此外，“粒子通量”的概念不仅限于物理科学；它在环境研究中也具有相关性。例如，在空气污染的背景下，理解污染物的“粒子通量”可以帮助评估其对人类健康和环境的影响。监测有害物质的“粒子通量”使得更好的监管措施和公共健康政策得以实施。计算“粒子通量”通常使用公式：ϕ = N / AΔt，其中ϕ代表“粒子通量”，N是通过面积A在时间间隔Δt内经过的粒子数。这个公式强调“粒子通量”与粒子数成正比，与面积和时间成反比，突显了这些变量在实际应用中的重要性。总之，“粒子通量”的概念是许多科学学科的基本方面。它的应用范围从提高核反应堆性能到理解宇宙现象以及改善材料特性。随着技术的进步和我们对宇宙的理解加深，“粒子通量”的重要性无疑将继续增长，为能够惠及整个社会的创新铺平道路。