V2EX absorption spectrum

Absorption Spectrum

释义 Definition

吸收光谱:物质在不同波长(或频率)的电磁辐射下,对光的吸收强弱随波长变化而形成的谱图或曲线。常用于分析物质成分、能级结构与化学环境(如紫外-可见吸收光谱、红外吸收光谱等)。

发音 Pronunciation (IPA)

/bzrpn spktrm/

例句 Examples

Light passing through the gas produced a distinct absorption spectrum.
光穿过该气体后产生了清晰的吸收光谱。

By comparing the absorption spectrum of the solution at different temperatures, the researchers inferred changes in molecular structure and bonding.
研究人员通过比较溶液在不同温度下的吸收光谱,推断出分子结构与键合方式的变化。

词源 Etymology

absorption 来自拉丁语 absorbereab- “向内” + sorbere “吸入、吞吸”),表示“吸收”。spectrum 来自拉丁语 spectrum,原意为“影像、显现”,在科学语境中指“光谱”。合起来表示“物质对不同波长光的吸收所呈现的光谱分布”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Principles of Instrumental Analysis(Skoog 等,分析仪器经典教材)
  • Molecular Spectroscopy(Jeanne L. McHale 等相关教材/专著中常见术语)
  • Introduction to Quantum Mechanics(David J. Griffiths,讨论原子/分子能级与谱线时涉及吸收光谱概念)
  • Astrophysics of Gaseous Nebulae and Active Galactic Nuclei(Osterbrock & Ferland,天体光谱分析中频繁出现)
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