paramagnetic resonance

简明释义

顺磁共振

英英释义

Paramagnetic resonance is a phenomenon observed in materials that have unpaired electrons, where the magnetic moments of these electrons align with an external magnetic field and can absorb electromagnetic radiation at specific frequencies.

顺磁共振是一种现象,发生在具有未成对电子的材料中,这些电子的磁矩与外部磁场对齐,并能够在特定频率下吸收电磁辐射。

例句

1.Understanding paramagnetic resonance 顺磁共振 is crucial for developing new materials with specific magnetic properties.

理解顺磁共振对开发具有特定磁性的新材料至关重要。

2.In medicine, paramagnetic resonance 顺磁共振 imaging can help visualize blood flow and detect abnormalities.

在医学中,顺磁共振成像可以帮助可视化血流并检测异常。

3.Researchers used paramagnetic resonance 顺磁共振 to analyze the behavior of free radicals in chemical reactions.

研究人员使用顺磁共振分析自由基在化学反应中的行为。

4.The study of paramagnetic resonance 顺磁共振 has provided insights into the electronic structure of various materials.

顺磁共振的研究为各种材料的电子结构提供了见解。

5.The principles of paramagnetic resonance 顺磁共振 are applied in various fields including physics and chemistry.

顺磁共振的原理应用于物理和化学等多个领域。

作文

Paramagnetic resonance is a fascinating phenomenon that occurs in materials with unpaired electrons. These unpaired electrons create magnetic moments, which can interact with external magnetic fields. The study of this phenomenon is crucial in various scientific fields, including chemistry, physics, and material science. In essence, paramagnetic resonance refers to the absorption of electromagnetic radiation by paramagnetic substances when they are placed in a magnetic field. This interaction provides valuable information about the electronic structure of the materials involved.One of the most common techniques used to observe paramagnetic resonance is Electron Spin Resonance (ESR) or Electron Paramagnetic Resonance (EPR). This method allows scientists to investigate the properties of paramagnetic species in various environments, such as in solid-state systems, gases, and solutions. By applying a magnetic field and exposing the sample to microwave radiation, researchers can detect the resonance condition where the energy levels of the unpaired electrons are split due to the magnetic field. This splitting leads to characteristic absorption peaks that can be analyzed to gain insights into the molecular and electronic structure of the sample.The applications of paramagnetic resonance are vast and varied. In the field of chemistry, it is used to study reaction mechanisms, identify radical species, and understand the dynamics of chemical reactions. In biology, ESR has been employed to investigate the role of free radicals in biological processes, which has implications for understanding diseases and aging. Additionally, paramagnetic resonance is instrumental in materials science, particularly in characterizing new materials and assessing their magnetic properties.Moreover, advancements in technology have led to the development of high-resolution ESR spectrometers, allowing for more precise measurements and analyses. This progress has opened up new avenues for research, enabling scientists to explore complex systems and interactions at a molecular level. For instance, researchers can now study the behavior of paramagnetic centers in biomolecules, providing insights into their function and interactions within living organisms.In conclusion, paramagnetic resonance is an essential tool in modern science, offering a window into the world of unpaired electrons and their interactions with magnetic fields. Its applications span across multiple disciplines, making it a valuable technique for both fundamental research and practical applications. As our understanding of paramagnetic resonance continues to evolve, we can expect to uncover even more secrets hidden within the atomic and molecular structures of various materials. The continued exploration of this phenomenon promises to enhance our knowledge and foster innovations in technology and medicine, ultimately contributing to advancements that can benefit society as a whole.

顺磁共振是一个迷人的现象,发生在具有未配对电子的材料中。这些未配对电子产生磁矩,可以与外部磁场相互作用。研究这一现象在化学、物理和材料科学等多个科学领域至关重要。从本质上讲,顺磁共振指的是当顺磁物质置于磁场中时,吸收电磁辐射的过程。这种相互作用提供了关于所涉及材料电子结构的宝贵信息。观察顺磁共振的最常用技术之一是电子自旋共振(ESR)或电子顺磁共振(EPR)。这种方法允许科学家研究不同环境中顺磁物种的性质,例如固态系统、气体和溶液。通过施加磁场并将样品暴露于微波辐射中,研究人员可以检测到未配对电子的能级因磁场而分裂的共振条件。这种分裂导致特征吸收峰,可以分析以获得样品的分子和电子结构的见解。顺磁共振的应用广泛多样。在化学领域,它用于研究反应机制、识别自由基物种以及理解化学反应的动态。在生物学中,ESR已被用于研究自由基在生物过程中的作用,这对理解疾病和衰老具有重要意义。此外,顺磁共振在材料科学中也很重要,特别是在表征新材料和评估其磁性方面。此外,技术的进步导致高分辨率ESR光谱仪的发展,使得更精确的测量和分析成为可能。这一进展为研究开辟了新的途径,使科学家能够在分子水平上探索复杂的系统和相互作用。例如,研究人员现在可以研究生物分子中顺磁中心的行为,从而提供有关它们在活生物体内功能和相互作用的见解。总之,顺磁共振是现代科学中的一项重要工具,为我们提供了一个观察未配对电子及其与磁场相互作用的窗口。它的应用跨越多个学科,使其成为基础研究和实际应用的宝贵技术。随着我们对顺磁共振理解的不断演进,我们可以期待揭示更多隐藏在各种材料的原子和分子结构中的秘密。对这一现象的持续探索有望增强我们的知识,并推动技术和医学的创新,最终为整个社会带来益处。