anharmonic

简明释义

英[ˌænhaːˈmɒnɪk]美[ˌænhɑrˈmɑnɪk]

adj. 不和谐的；非调和的

英英释义

单词用法

同义词

反义词

例句

1.The conditions for the production of amplitude-cubed squeezing in higher-order harmonic generation and an anharmonic oscillator are studied.

本文研究了高次谐波产生及非谐振子模型两种非线性光学系统中存在光场振幅立方压缩的条件。

2.This paper makes a systematic study of EOS and anharmonic thermodynamic properties for solid substance system at high temperatures-high pressures by using phenomenological method.

本文采用唯象的方法对高温高压下固态物质系统的EOS及相关的非简谐热力学性质(非谐性质)作出了系统地研究。

3.Considering atomic anharmonic vibration, the authors have figured out the expression of free energy and relaxation of single-domain ferromagnetic granule in magnetic field.

结果表明：原子的非简谐振动会影响单畴铁磁粒子的自由能，但是不会影响弛豫时间。

4.It is also found that the elastic modulus only relates to the first anharmonic coefficient, but has no relation to the simple harmonic coefficient and the second anharmonic coefficient.

弹性模量只与第一非简谐系数有关，而与简谐系数和第二非简谐系数无关。

5.The double wave function theory is applied to study the motion of single particle in the quadratic anharmonic model field.

应用双波函数量子理论，研究了在二次型非简谐振子模型场中运动的单粒子的运动状态，给出了力学量的时间演化方程。

6.The cross ratio he called anharmonic ratio.

他把交比叫作非调和比。

7.It is also found that the elastic modulus only relates to the first anharmonic coefficient, but has no relation to the simple harmonic coefficient and the second anharmonic coefficient.

弹性模量只与第一非简谐系数有关，而与简谐系数和第二非简谐系数无关。

8.This paper makes a systematic study of anharmonic properties and melting law for solids at high temperatures-high pressures by using phenomenological method.

本文运用唯象的方法对高温高压的宏观条件下固体的非谐性质以及熔化规律作出了较为系统的研究。

9.The cross ratio he called anharmonic ratio .

他把交比叫作非调和比。

10.The vibrational modes of the molecule were found to be anharmonic 非谐的, leading to unexpected spectral features.

该分子的振动模式被发现是非谐的，导致了意想不到的光谱特征。

11.The anharmonic 非谐的 nature of the crystal lattice affects its thermal conductivity.

晶格的非谐的特性影响其热导率。

12.The anharmonic 非谐的 oscillator model provides a more accurate description of real molecular vibrations than the harmonic model.

与谐振子模型相比，非谐的振子模型提供了对真实分子振动更准确的描述。

13.Researchers used anharmonic 非谐的 calculations to predict the thermodynamic properties of the new compound.

研究人员使用非谐的计算来预测新化合物的热力学性质。

14.In quantum mechanics, the potential energy of a particle in a box can exhibit anharmonic 非谐的 behavior as it approaches the boundaries.

在量子力学中，粒子在盒子中的势能在接近边界时可能表现出非谐的行为。

作文

In the study of physics and chemistry, the term anharmonic refers to a deviation from the harmonic behavior of a system. In simple terms, while harmonic systems oscillate in a predictable manner, anharmonic systems do not follow this regular pattern. This concept is crucial in understanding various phenomena in molecular vibrations, crystal lattices, and even in the analysis of sound waves. To illustrate the significance of anharmonic behavior, let us consider the example of a vibrating string. When a string is plucked, it can vibrate in harmonics, producing a clear musical note. However, if the string is subjected to additional forces or constraints, its vibration may become anharmonic, resulting in a more complex sound that lacks the clarity of the original harmonic tones.In quantum mechanics, anharmonic potentials play a vital role in the behavior of particles at the atomic level. Most potential energy curves for molecules are not perfectly parabolic, indicating that as the bond lengths change, the energy does not increase symmetrically. This anharmonic nature leads to interesting consequences, such as the ability to predict the vibrational frequencies of molecules more accurately. When analyzing molecular spectra, scientists must account for anharmonic effects to obtain precise results, which is essential for applications in spectroscopy and materials science.Furthermore, the concept of anharmonic behavior extends beyond just physical systems; it also applies to various fields such as music and engineering. In music, composers often exploit anharmonic intervals to create tension and emotional depth in their compositions. The use of anharmonic chords can evoke feelings that purely harmonic structures cannot achieve. Similarly, in engineering, understanding anharmonic vibrations is critical in designing structures and materials that can withstand unexpected stresses and strains.In summary, the term anharmonic encapsulates a broad range of phenomena across multiple disciplines. Whether in the context of molecular vibrations, musical compositions, or engineering designs, recognizing the implications of anharmonic behavior allows for a deeper understanding of the complexities of our world. As we continue to explore these concepts, the importance of anharmonic systems will undoubtedly grow, leading to new discoveries and innovations in science and art alike.

在物理和化学研究中，术语anharmonic指的是系统的行为偏离谐波的情况。简单来说，当谐波系统以可预测的方式振荡时，anharmonic系统则不遵循这种规律。这个概念对于理解分子振动、晶格以及声音波分析等各种现象至关重要。为了说明anharmonic行为的重要性，让我们考虑一个振动弦的例子。当一根弦被拨动时，它可以在谐波中振动，产生清晰的音乐音符。然而，如果弦受到额外的力或约束，它的振动可能变得anharmonic，导致产生一种更复杂的声音，缺乏原始谐波音调的清晰度。在量子力学中，anharmonic势能在粒子在原子级别的行为中发挥着重要作用。大多数分子的势能曲线并不是完美的抛物线，这表明当键长变化时，能量并不会对称地增加。这种anharmonic特性导致了有趣的后果，例如能够更准确地预测分子的振动频率。在分析分子光谱时，科学家必须考虑anharmonic效应，以获得精确的结果，这对于光谱学和材料科学的应用至关重要。此外，anharmonic行为的概念不仅限于物理系统；它还适用于音乐和工程等多个领域。在音乐中，作曲家常常利用anharmonic音程来创造紧张感和情感深度。使用anharmonic和弦可以唤起纯粹谐波结构无法达到的感觉。同样，在工程学中，理解anharmonic振动对于设计能够承受意外压力和应变的结构和材料至关重要。总之，术语anharmonic涵盖了多个学科中的广泛现象。无论是在分子振动、音乐作品还是工程设计的背景下，认识到anharmonic行为的影响使我们能够更深入地理解我们世界的复杂性。随着我们继续探索这些概念，anharmonic系统的重要性无疑会增加，从而在科学和艺术中带来新的发现和创新。