larmor frequency
简明释义
回旋频率
英英释义
The Larmor frequency is the frequency at which a charged particle, such as an electron or a nucleus, precesses in a magnetic field. | Larmor频率是带电粒子(如电子或原子核)在磁场中进动的频率。 |
例句
1.Researchers study the Larmor frequency 拉莫频率 to understand magnetic properties of materials.
研究人员研究Larmor frequency 拉莫频率以了解材料的磁性。
2.The Larmor frequency 拉莫频率 can be calculated using the equation f = γB, where γ is the gyromagnetic ratio.
可以使用方程 f = γB 计算Larmor frequency 拉莫频率,其中 γ 是旋磁比。
3.In MRI, the Larmor frequency 拉莫频率 is crucial for obtaining clear images.
在磁共振成像中,Larmor frequency 拉莫频率 对于获得清晰的图像至关重要。
4.Adjusting the magnetic field strength alters the Larmor frequency 拉莫频率 of the nuclei.
调整磁场强度会改变原子的Larmor frequency 拉莫频率。
5.The Larmor frequency 拉莫频率 of a proton in a magnetic field is determined by the strength of that field.
在磁场中,质子的Larmor frequency 拉莫频率由该磁场的强度决定。
作文
The concept of Larmor frequency is fundamental in the fields of physics and engineering, particularly in the study of magnetic resonance. It refers to the frequency at which a magnetic moment precesses in a magnetic field. This phenomenon is named after the Norwegian physicist Hendrik Antoon Lorentz, who first described it in the early 20th century. The Larmor frequency can be expressed mathematically as ω = γB, where ω is the angular frequency, γ (gamma) is the gyromagnetic ratio, and B is the magnetic field strength. Understanding this relationship is crucial for various applications, including magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR), and electron spin resonance (ESR). In MRI, for instance, the Larmor frequency determines the resonance frequency of protons in the body when subjected to a strong magnetic field. This frequency is essential for generating images of internal structures, as it allows for the manipulation of the magnetic moments of hydrogen nuclei. The ability to tune into the Larmor frequency enables radiologists to obtain high-resolution images that are invaluable for diagnostic purposes.Moreover, the Larmor frequency plays a significant role in the analysis of materials. By applying a magnetic field and measuring the response of the material at its Larmor frequency, scientists can gain insights into the atomic and molecular structure of substances. This technique is widely used in chemistry and material science to explore the properties of different compounds and their interactions under various conditions. In addition to its applications in medical imaging and material analysis, the Larmor frequency is also relevant in the realm of quantum mechanics. It helps explain phenomena such as spin resonance and the behavior of particles in magnetic fields. For example, in a quantum system, the energy levels of a particle can split in the presence of a magnetic field, leading to transitions between these levels that occur at the Larmor frequency. This understanding has implications for developing quantum computing technologies, where controlling qubit states with precision is essential.Overall, the Larmor frequency is a vital concept that bridges various scientific disciplines. Its implications extend from practical applications in medical imaging to theoretical advancements in quantum mechanics. As research continues to evolve, the significance of the Larmor frequency will likely expand, leading to new discoveries and innovations. Thus, grasping this concept not only enhances our understanding of physical principles but also opens doors to future technological advancements. In summary, the Larmor frequency encapsulates a wealth of knowledge that is integral to both scientific inquiry and practical applications, making it an essential topic of study for students and professionals alike.
Larmor频率的概念在物理学和工程学领域中是基础性的,特别是在磁共振的研究中。它指的是在磁场中,磁矩进动的频率。这一现象以挪威物理学家亨德里克·安东·洛伦兹的名字命名,他在20世纪初首次描述了这一现象。Larmor频率可以用数学公式表示为ω = γB,其中ω是角频率,γ(伽马)是旋磁比,B是磁场强度。理解这一关系对于各种应用至关重要,包括磁共振成像(MRI)、核磁共振(NMR)和电子自旋共振(ESR)。例如,在MRI中,Larmor频率决定了在强磁场下体内质子的共振频率。这个频率对于生成内部结构的图像是必不可少的,因为它允许操控氢核的磁矩。能够调谐到Larmor频率使放射科医生能够获得高分辨率的图像,这对诊断目的非常重要。此外,Larmor频率在材料分析中也发挥着重要作用。通过施加磁场并测量材料在其Larmor频率下的响应,科学家可以深入了解物质的原子和分子结构。这种技术在化学和材料科学中广泛应用,用于探索不同化合物的性质及其在各种条件下的相互作用。除了在医学成像和材料分析中的应用外,Larmor频率在量子力学领域也具有相关性。它有助于解释自旋共振等现象以及粒子在磁场中的行为。例如,在量子系统中,粒子的能级在磁场的存在下可能会分裂,导致在Larmor频率下发生这些能级之间的跃迁。这一理解对开发量子计算技术具有重要意义,其中精确控制量子比特状态至关重要。总体而言,Larmor频率是一个重要的概念,连接了多个科学领域。它的影响从医学成像的实际应用扩展到量子力学的理论进展。随着研究的不断发展,Larmor频率的重要性可能会进一步扩大,带来新的发现和创新。因此,掌握这一概念不仅增强了我们对物理原理的理解,也为未来的技术进步打开了大门。总之,Larmor频率浓缩了丰富的知识,对于科学探究和实际应用都是不可或缺的主题,使其成为学生和专业人士学习的重要内容。
相关单词