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词汇 bathochromic
释义

Definition of bathochromic in English:

bathochromic

adjectiveˌbaθə(ʊ)ˈkrəʊmɪk
Chemistry

  • Relating to or denoting a shift of the absorption spectrum of a compound towards longer wavelengths.

    〔化〕向红的

    Example sentencesExamples
    • In the case of the model compound of tyrosine NAYA, a small bathochromic shift of 2 nm in the emission spectrum from dioxane to water was observed.
    • The physical origins of this bathochromic shift are described in detail in molecular spectroscopy texts.
    • In particular, the dianion absorption spectrum exhibits a substantial bathochromic shift and a reduction in bandwidth in solvent-water mixtures containing aprotic solvents as the hydrogen-bonding environment is decreased.
    • Furthermore, the substitution reactions resulted in small bathochromic shifts in the absorption spectra.
    • After photoisomerization, a bathochromic (red-shifted) intermediate, called K, forms in 3 ps.

Origin

Late 19th century: from Greek bathos 'depth' + khrōma 'colour' + -ic.
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