breadth of spectral line

简明释义

谱线幅

英英释义

例句

1.A narrow breadth of spectral line indicates a more stable element in the sample.

狭窄的光谱线的宽度表明样品中的元素更稳定。

2.In astrophysics, the breadth of spectral line helps in identifying the composition of distant galaxies.

在天体物理学中，光谱线的宽度有助于识别遥远星系的组成。

3.Understanding the breadth of spectral line is crucial for accurate spectroscopic analysis.

理解光谱线的宽度对准确的光谱分析至关重要。

4.The researchers measured the breadth of spectral line to determine the temperature of the star.

研究人员测量了光谱线的宽度以确定恒星的温度。

5.The breadth of spectral line can be affected by environmental factors such as pressure and temperature.

环境因素如压力和温度可以影响光谱线的宽度。

作文

In the field of spectroscopy, one of the critical parameters that scientists analyze is the breadth of spectral line. This term refers to the width of a spectral line, which is indicative of the range of wavelengths emitted or absorbed by an atom or molecule during electronic transitions. Understanding the breadth of spectral line is essential for various applications in physics, chemistry, and astronomy. For instance, when studying the emission spectra of stars, the breadth of spectral line can provide valuable information about the temperature, density, and composition of the stellar atmosphere.The breadth of spectral line is influenced by several factors, including Doppler broadening and pressure broadening. Doppler broadening occurs due to the relative motion of atoms or molecules emitting or absorbing light. As these particles move towards or away from an observer, the wavelengths of the emitted light shift slightly, causing the spectral lines to spread out. On the other hand, pressure broadening arises from collisions between particles in a gas. These collisions can perturb the energy levels of the particles, resulting in a wider range of wavelengths being emitted or absorbed, thus increasing the breadth of spectral line.In practical terms, measuring the breadth of spectral line allows scientists to infer physical conditions in various environments. For example, in astrophysics, a broader spectral line might indicate a hotter or more turbulent region in a star's atmosphere. Conversely, a narrower spectral line could suggest a cooler and more stable environment. This relationship between the breadth of spectral line and physical conditions is a powerful tool for researchers.Moreover, the breadth of spectral line plays a crucial role in the identification of chemical species. Different elements and compounds have unique spectral signatures, characterized by specific line widths. By analyzing the breadth of spectral line, scientists can distinguish between different substances in a mixture, which is particularly useful in fields such as environmental monitoring and forensic science.In conclusion, the breadth of spectral line is a fundamental concept in spectroscopy that encompasses various physical phenomena. Its significance extends beyond mere academic interest; it has practical implications in understanding the universe, identifying materials, and even in technological advancements. As research continues to evolve, the insights gained from studying the breadth of spectral line will undoubtedly lead to new discoveries and innovations across multiple disciplines.

在光谱学领域，科学家分析的一个关键参数是breadth of spectral line。这个术语指的是光谱线的宽度，它表明在电子跃迁过程中，原子或分子发射或吸收的波长范围。理解breadth of spectral line对于物理、化学和天文学等多个应用至关重要。例如，在研究恒星的发射光谱时，breadth of spectral line可以提供有关恒星大气的温度、密度和成分的宝贵信息。breadth of spectral line受到几个因素的影响，包括多普勒展宽和压力展宽。多普勒展宽是由于发射或吸收光的原子或分子的相对运动引起的。当这些粒子向观察者移动或远离时，发射光的波长会稍微偏移，从而导致光谱线扩展。另一方面，压力展宽是由气体中粒子之间的碰撞引起的。这些碰撞可以干扰粒子的能级，导致发射或吸收的波长范围更广，从而增加breadth of spectral line。在实际应用中，测量breadth of spectral line使科学家能够推断各种环境中的物理条件。例如，在天体物理学中，更宽的光谱线可能表明恒星大气中的区域更热或更动荡。相反，更窄的光谱线可能暗示环境更凉爽且更稳定。breadth of spectral line与物理条件之间的这种关系是研究人员的强大工具。此外，breadth of spectral line在化学物质的识别中也发挥着关键作用。不同的元素和化合物具有独特的光谱特征，其特征由特定的线宽所决定。通过分析breadth of spectral line，科学家可以区分混合物中的不同物质，这在环境监测和法医学等领域尤其有用。总之，breadth of spectral line是光谱学中的一个基本概念，涵盖了各种物理现象。它的重要性超越了单纯的学术兴趣；在理解宇宙、识别材料甚至技术进步方面都具有实际意义。随着研究的不断发展，从研究breadth of spectral line中获得的见解无疑将导致多个学科的新发现和创新。