nuclear gyromagnetic ratio

简明释义

核回转磁比

英英释义

例句

1.Different isotopes have unique nuclear gyromagnetic ratios 核旋磁比, which can be used for isotopic labeling in experiments.

不同同位素具有独特的核旋磁比 nuclear gyromagnetic ratios，可用于实验中的同位素标记。

2.Researchers often calculate the nuclear gyromagnetic ratio 核旋磁比 to analyze spin interactions in quantum systems.

研究人员常常计算核旋磁比 nuclear gyromagnetic ratio 以分析量子系统中的自旋相互作用。

3.The nuclear gyromagnetic ratio 核旋磁比 is defined as the ratio of the magnetic moment to the angular momentum of a nucleus.

核旋磁比 nuclear gyromagnetic ratio 被定义为核的磁矩与角动量的比率。

4.The measurement of the nuclear gyromagnetic ratio 核旋磁比 is crucial for understanding nuclear magnetic resonance.

测量核旋磁比 nuclear gyromagnetic ratio 对于理解核磁共振至关重要。

5.In particle physics, the nuclear gyromagnetic ratio 核旋磁比 helps in determining the magnetic properties of nuclei.

在粒子物理中，核旋磁比 nuclear gyromagnetic ratio 有助于确定原子核的磁性特性。

作文

The concept of the nuclear gyromagnetic ratio is fundamental in the field of nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). This ratio describes how a nucleus responds to a magnetic field, which is critical for understanding various phenomena in physics and chemistry. The nuclear gyromagnetic ratio is defined as the ratio of the magnetic moment of a nucleus to its angular momentum. It is a key parameter that influences the behavior of nuclei in magnetic fields, affecting their energy levels and the frequencies at which they resonate. In NMR spectroscopy, the nuclear gyromagnetic ratio allows scientists to determine the environment surrounding specific nuclei within a molecule. Different isotopes of the same element have different nuclear gyromagnetic ratios, which means they will resonate at different frequencies when exposed to a magnetic field. For example, hydrogen-1 has a different nuclear gyromagnetic ratio than carbon-13, making it possible to distinguish between these two isotopes in a complex organic molecule. This distinction is crucial for chemists who rely on NMR to deduce molecular structures and dynamics.Moreover, the nuclear gyromagnetic ratio plays a significant role in medical imaging techniques such as MRI. In MRI, the nuclear gyromagnetic ratio of hydrogen nuclei in water molecules is utilized to create detailed images of tissues within the human body. By manipulating magnetic fields and radiofrequency pulses, radiologists can obtain high-resolution images that help diagnose various medical conditions. The ability to visualize soft tissues non-invasively has revolutionized modern medicine, and the nuclear gyromagnetic ratio is at the heart of this technology.Understanding the nuclear gyromagnetic ratio also extends beyond NMR and MRI; it is relevant in fields such as quantum mechanics and particle physics. The principles governing the nuclear gyromagnetic ratio are applicable to the study of fundamental particles and their interactions. For instance, the behavior of protons and neutrons within atomic nuclei can be analyzed through their respective nuclear gyromagnetic ratios, providing insights into nuclear structure and stability.In conclusion, the nuclear gyromagnetic ratio is a pivotal concept in both theoretical and applied sciences. Its implications span across various disciplines, from chemistry and biology to medical imaging and fundamental physics. By understanding the nuclear gyromagnetic ratio, researchers and practitioners can unlock the mysteries of molecular interactions, improve diagnostic imaging techniques, and explore the fundamental laws of nature. As we continue to advance our knowledge in these fields, the nuclear gyromagnetic ratio will undoubtedly remain a key focus of study, driving innovation and discovery in science and medicine.

核旋磁比的概念在核磁共振（NMR）和磁共振成像（MRI）领域中是基础性的。这个比率描述了一个核如何响应磁场，这对于理解物理和化学中的各种现象至关重要。核旋磁比被定义为核的磁矩与其角动量的比率。它是影响核在磁场中行为的关键参数，影响它们的能级和共振的频率。在NMR光谱学中，核旋磁比使科学家能够确定分子中特定核周围的环境。相同元素的不同同位素具有不同的核旋磁比，这意味着它们在暴露于磁场时将以不同的频率共振。例如，氢-1的核旋磁比与碳-13不同，使得在复杂的有机分子中区分这两种同位素成为可能。这种区分对于依赖NMR推导分子结构和动态的化学家至关重要。此外，核旋磁比在医学成像技术如MRI中也发挥着重要作用。在MRI中，水分子中氢核的核旋磁比被用于创建人体组织的详细图像。通过操纵磁场和射频脉冲，放射科医生可以获得高分辨率的图像，以帮助诊断各种医疗状况。非侵入性地可视化软组织的能力已经彻底改变了现代医学，而核旋磁比正是这一技术的核心。理解核旋磁比不仅限于NMR和MRI，它还与量子力学和粒子物理学等领域相关。核旋磁比所遵循的原理适用于对基本粒子及其相互作用的研究。例如，可以通过各自的核旋磁比分析质子和中子在原子核内的行为，从而提供对核结构和稳定性的洞察。总之，核旋磁比是理论和应用科学中的一个关键概念。它的影响跨越多个学科，从化学和生物学到医学成像和基础物理学。通过理解核旋磁比，研究人员和从业者可以揭示分子相互作用的奥秘，改善诊断成像技术，并探索自然的基本法则。随着我们在这些领域知识的不断进步，核旋磁比无疑将继续成为研究的重点，推动科学和医学的创新与发现。