double resonance

简明释义

双共振

英英释义

Double resonance refers to a phenomenon in physics and chemistry where two different types of resonances occur simultaneously, often leading to enhanced signal strength or clarity in spectroscopic measurements.

双重共振是指在物理和化学中,两个不同类型的共振同时发生的现象,通常导致光谱测量中的信号强度或清晰度增强。

例句

1.The application of double resonance in MRI has revolutionized medical imaging.

在MRI中应用双重共振彻底改变了医学成像。

2.In the study of molecular vibrations, double resonance can provide insights into the interactions between different vibrational modes.

在分子振动的研究中,双重共振可以提供不同振动模式之间相互作用的见解。

3.In spectroscopy, double resonance helps identify specific energy levels of molecules.

在光谱学中,双重共振有助于识别分子的特定能级。

4.The physicist explained the concept of double resonance to his students, emphasizing its importance in quantum mechanics.

物理学家向学生们解释了双重共振的概念,强调它在量子力学中的重要性。

5.The research team used double resonance techniques to enhance the sensitivity of their measurements.

研究团队使用双重共振技术来提高他们测量的灵敏度。

作文

In the realm of physics and chemistry, the concept of double resonance plays a crucial role in understanding molecular behaviors and interactions. To put it simply, double resonance refers to a situation where two distinct resonant states contribute to the overall behavior of a system. This phenomenon is particularly evident in the study of molecular vibrations and electronic transitions, where molecules can exist in multiple energy states simultaneously. To illustrate this concept, consider the example of a diatomic molecule, which can vibrate in different modes. When energy is applied to the system, it can resonate at specific frequencies corresponding to these vibrational modes. In cases of double resonance, two vibrational modes may couple together, leading to enhanced or altered spectral features in spectroscopic measurements. This coupling can provide valuable insights into the molecular structure and dynamics, allowing scientists to deduce important information about the bonding and interactions within the molecule.Moreover, double resonance is not limited to vibrational spectroscopy; it is also a significant concept in nuclear magnetic resonance (NMR) spectroscopy. In NMR, a sample is exposed to a strong magnetic field and radiofrequency radiation, causing the nuclei of certain atoms to resonate. When two different types of nuclei are present in a molecule, their interactions can lead to double resonance effects, which enhance the resolution of the NMR spectrum. This technique allows chemists to gain detailed structural information about complex organic compounds, aiding in the identification and characterization of unknown substances.The implications of double resonance extend beyond the laboratory. Understanding this phenomenon has practical applications in fields such as materials science, pharmacology, and environmental science. For instance, researchers studying the properties of new materials can utilize double resonance techniques to probe the electronic structure and stability of these materials. In drug design, the ability to analyze molecular interactions through double resonance can lead to the development of more effective pharmaceuticals with fewer side effects.In summary, double resonance is a fundamental concept that enhances our understanding of molecular systems. Its applications in various scientific disciplines underscore its importance in advancing research and technology. As we continue to explore the intricacies of molecular interactions, the principles of double resonance will undoubtedly remain a key focus, paving the way for innovations that can significantly impact our world. By grasping the essence of double resonance, we not only deepen our knowledge of the microscopic world but also open doors to new possibilities in science and engineering.

在物理和化学领域,double resonance的概念在理解分子行为和相互作用方面发挥着至关重要的作用。简单来说,double resonance指的是两种不同共振状态共同影响系统整体行为的情况。这一现象在分子振动和电子跃迁的研究中尤为明显,分子可以同时存在于多个能量状态中。为了说明这一概念,我们考虑一个双原子分子的例子,它可以以不同的模式振动。当能量施加到系统时,它可以在对应于这些振动模式的特定频率上发生共振。在double resonance的情况下,两种振动模式可能相互耦合,从而导致光谱测量中的特征增强或改变。这种耦合可以提供有关分子结构和动态的重要见解,使科学家能够推断出关于分子内部结合和相互作用的重要信息。此外,double resonance不仅限于振动光谱;它在核磁共振(NMR)光谱中也是一个重要概念。在NMR中,样品暴露在强磁场和射频辐射下,导致某些原子的核发生共振。当分子中存在两种不同类型的核时,它们的相互作用可能导致double resonance效应,从而提高NMR光谱的分辨率。这种技术使化学家能够获得复杂有机化合物的详细结构信息,有助于识别和表征未知物质。double resonance的影响超越了实验室。理解这一现象在材料科学、药理学和环境科学等领域具有实际应用。例如,研究新材料性质的研究人员可以利用double resonance技术探测这些材料的电子结构和稳定性。在药物设计中,通过double resonance分析分子相互作用的能力可以导致开发出更有效且副作用更少的药物。总之,double resonance是一个基本概念,增强了我们对分子系统的理解。它在各个科学学科中的应用突显了其在推动研究和技术进步方面的重要性。随着我们继续探索分子相互作用的复杂性,double resonance的原理无疑将继续成为重点,为科学和工程领域的创新铺平道路。通过掌握double resonance的本质,我们不仅加深了对微观世界的认识,还为科学和工程的新可能性打开了大门。