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词汇 absorption spectrum
释义

Definition of absorption spectrum in English:

absorption spectrum

noun
Physics
  • A spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption at specific wavelengths.

    〔物理〕吸收光谱。比较 EMISSION SPECTRUM

    Compare with emission spectrum
    Example sentencesExamples
    • The wide absorption spectrum of the electron transfer chain revealed by the transient measurements may contribute to the high efficiency of energy trapping in PSI.
    • Following Forster himself, one may use a specific absorption spectrum, a normalized emission spectrum and an estimate of the radiative lifetime.
    • The redshift in the absorption spectrum reflects electronic interactions between the porphyrin and the melanins.
    • This wavelength also coincides with a peak in the mercury lamp spectrum and with the Soret band of the PpIX absorption spectrum.
    • The lowest-energy absorption band lies outside the absorption spectrum of DNA / RNA, allowing selective excitation of 2AP.

Definition of absorption spectrum in US English:

absorption spectrum

noun
Physics
  • A spectrum of electromagnetic radiation transmitted through a substance, showing dark lines or bands due to absorption of specific wavelengths.

    〔物理〕吸收光谱。比较 EMISSION SPECTRUM

    Compare with emission spectrum
    Example sentencesExamples
    • The redshift in the absorption spectrum reflects electronic interactions between the porphyrin and the melanins.
    • Following Forster himself, one may use a specific absorption spectrum, a normalized emission spectrum and an estimate of the radiative lifetime.
    • The wide absorption spectrum of the electron transfer chain revealed by the transient measurements may contribute to the high efficiency of energy trapping in PSI.
    • This wavelength also coincides with a peak in the mercury lamp spectrum and with the Soret band of the PpIX absorption spectrum.
    • The lowest-energy absorption band lies outside the absorption spectrum of DNA / RNA, allowing selective excitation of 2AP.
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