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单词 undissociated
释义

Definition of undissociated in English:

undissociated

adjectiveˌʌndɪˈsəɪʃɪeɪtɪdˌəndɪˈsoʊʃiˌeɪtɪd
Chemistry
  • (of a molecule) not dissociated into oppositely charged ions.

    Example sentencesExamples
    • Production of the weak acid nitrite and excretion of undissociated nitric acid may help to stabilize cytosolic pH.
    • However, if the acid is titrated against a dilute base, the undissociated molecules progressively dissociate and eventually the total hydrogen ion concentration can be found.
    • Some substances, such as weak acids or bases in their undissociated form, are soluble in lipids and will dissolve in the lipid bilayer of the cell membrane.
    • At pH 8.9, it was a mixture of undissociated molecules, monoanion and dianion.
    • Weak acids vary in strength from those which exist primarily as hydrated molecules and only ionize to a very small extent to those which ionize substantially and are in equilibrium with only a small amount of undissociated molecules.

Definition of undissociated in US English:

undissociated

adjectiveˌəndiˈsōSHēˌātidˌəndɪˈsoʊʃiˌeɪtɪd
Chemistry
  • (of a molecule) not dissociated into oppositely charged ions.

    Example sentencesExamples
    • Weak acids vary in strength from those which exist primarily as hydrated molecules and only ionize to a very small extent to those which ionize substantially and are in equilibrium with only a small amount of undissociated molecules.
    • Production of the weak acid nitrite and excretion of undissociated nitric acid may help to stabilize cytosolic pH.
    • At pH 8.9, it was a mixture of undissociated molecules, monoanion and dianion.
    • However, if the acid is titrated against a dilute base, the undissociated molecules progressively dissociate and eventually the total hydrogen ion concentration can be found.
    • Some substances, such as weak acids or bases in their undissociated form, are soluble in lipids and will dissolve in the lipid bilayer of the cell membrane.
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更新时间:2024/12/27 17:14:11