cyclotron frequency

简明释义

回旋频率

英英释义

例句

1.Astrophysicists study the cyclotron frequency of cosmic rays to understand their origins and interactions with magnetic fields in space.

天体物理学家研究宇宙射线的回旋频率以了解它们的起源及其与太空中磁场的相互作用。

2.The motion of charged particles in a magnetic field is characterized by their cyclotron frequency, which determines how fast they spiral around the field lines.

带电粒子在磁场中的运动由其回旋频率决定，这个频率决定了它们绕场线螺旋运动的速度。

3.The cyclotron frequency can be calculated using the formula f = qB/(2πm), where q is the charge, B is the magnetic field strength, and m is the mass of the particle.

回旋频率可以通过公式f = qB/(2πm)计算，其中q是电荷，B是磁场强度，m是粒子的质量。

4.In plasma physics, understanding the cyclotron frequency helps in predicting the behavior of ions and electrons under magnetic confinement.

在等离子体物理中，理解回旋频率有助于预测离子和电子在磁约束下的行为。

5.In MRI technology, the cyclotron frequency of protons is crucial for generating clear images of the human body.

在MRI技术中，质子的回旋频率对于生成清晰的人体图像至关重要。

作文

The concept of cyclotron frequency is fundamental in the field of plasma physics and astrophysics. It refers to the frequency at which a charged particle orbits in a magnetic field. When a charged particle, such as an electron or ion, enters a magnetic field, it experiences a magnetic force that acts perpendicular to both its velocity and the magnetic field direction. This force causes the particle to move in a circular path rather than in a straight line. The rate at which this particle orbits is defined as its cyclotron frequency, which can be mathematically expressed as: cyclotron frequency = (q * B) / (2 * π * m),where q is the charge of the particle, B is the magnetic field strength, and m is the mass of the particle. Understanding this frequency is crucial for various applications, including magnetic confinement in fusion reactors and the behavior of cosmic rays in space. In practical terms, the cyclotron frequency has significant implications in technologies such as cyclotrons, which are particle accelerators that use this principle to accelerate charged particles to high speeds. Cyclotrons have been employed in medical applications, such as producing isotopes for cancer treatment, as well as in research facilities for fundamental physics experiments. Moreover, the cyclotron frequency plays a critical role in astrophysical phenomena. For instance, in the magnetospheres of planets like Earth, charged particles from the solar wind spiral along magnetic field lines, creating radiation belts. The cyclotron frequency helps scientists understand the dynamics of these particles and their interactions with the magnetic fields. Additionally, the study of cyclotron frequency extends to the field of space weather, where understanding how charged particles behave in the presence of magnetic fields can help predict geomagnetic storms that affect satellite operations and communication systems on Earth. In conclusion, the cyclotron frequency is not just a theoretical concept; it is a vital parameter that influences many physical processes in both laboratory settings and natural environments. By studying this frequency, researchers can gain insights into the behavior of charged particles under magnetic influence, leading to advancements in technology and a deeper understanding of our universe. As we continue to explore the realms of physics, the significance of cyclotron frequency will undoubtedly remain a focal point in the quest for knowledge and innovation.

“回旋频率”这一概念在等离子体物理学和天体物理学领域中是基础性的。它指的是带电粒子在磁场中绕行的频率。当一个带电粒子，如电子或离子，进入磁场时，它会受到一种作用于其速度和磁场方向的垂直的磁力。这种力使得粒子沿着圆形路径运动，而不是直线运动。粒子绕行的速率被定义为其“回旋频率”，可以用以下数学公式表示：回旋频率 = (q * B) / (2 * π * m)，其中q是粒子的电荷，B是磁场强度，m是粒子的质量。理解这个频率对于各种应用至关重要，包括在聚变反应堆中的磁约束和宇宙射线在太空中的行为。在实际应用中，“回旋频率”对技术有着重要的影响，例如回旋加速器，这是一种利用该原理加速带电粒子到高速度的粒子加速器。回旋加速器已被用于医疗应用，如生产用于癌症治疗的同位素，以及在基础物理实验的研究设施中。此外，“回旋频率”在天体物理现象中也起着关键作用。例如，在地球等行星的磁层中，来自太阳风的带电粒子沿着磁场线螺旋运动，形成辐射带。了解“回旋频率”有助于科学家理解这些粒子的动态以及它们与磁场的相互作用。此外，对“回旋频率”的研究还扩展到空间天气领域，了解带电粒子在磁场中的行为如何影响地球上的卫星操作和通信系统，从而帮助预测地磁风暴。总之，“回旋频率”不仅仅是一个理论概念；它是影响实验室环境和自然环境中许多物理过程的重要参数。通过研究这一频率，研究人员可以深入了解带电粒子在磁场影响下的行为，从而推动技术进步和对我们宇宙的更深理解。随着我们继续探索物理学的领域，“回旋频率”的重要性无疑将继续成为知识和创新追求的焦点。