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词汇 divalent
释义

Definition of divalent in English:

divalent

adjective dʌɪˈveɪl(ə)ntdaɪˈveɪlənt
Chemistry
  • Having a valency of two.

    〔化〕二价的

    Example sentencesExamples
    • Our observations support the claim that monovalent or divalent cations are not necessary to polymerize G-actin into F-actin.
    • Experiments with erythrocytes were repeated with either sodium sulfate or sodium nitrate replacing the divalent ion at the same concentration.
    • In an alternative model, two pairs of the negatively charged residues would chelate two divalent cations.
    • On different days, the standard protocol was repeated with the diluent containing different divalent ion concentrations.
    • However, EDTA is not ideal because it also binds essential divalent cations such as calcium and zinc.

Definition of divalent in US English:

divalent

adjectivedīˈvāləntdaɪˈveɪlənt
Chemistry
  • Having a valence of two.

    〔化〕二价的

    Example sentencesExamples
    • However, EDTA is not ideal because it also binds essential divalent cations such as calcium and zinc.
    • On different days, the standard protocol was repeated with the diluent containing different divalent ion concentrations.
    • Experiments with erythrocytes were repeated with either sodium sulfate or sodium nitrate replacing the divalent ion at the same concentration.
    • In an alternative model, two pairs of the negatively charged residues would chelate two divalent cations.
    • Our observations support the claim that monovalent or divalent cations are not necessary to polymerize G-actin into F-actin.
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