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单词 stoichiometry
释义

Definition of stoichiometry in English:

stoichiometry

nounˌstɔɪkɪˈɒmɪtriˌstɔɪkiˈɑmətri
mass nounChemistry
  • The relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.

    〔化〕元素量法,化学计量,化学数学,理想配比

    Example sentencesExamples
    • Binding and catalytic events are assumed to occur in accordance with their reaction stoichiometry.
    • This relationship, called the stoichiometry of a reaction, can be used to predict how much reactant is needed to create a certain amount of product or to predict how much of the product will be formed from a certain amount of reactant.
    • This method also allowed us to more accurately quantify the stoichiometry of oligomerization at different pH values.
    • Finally, the net reaction may be exothermic or (more commonly) endothermic, depending on reaction stoichiometry.
    • The relative stoichiometry of the different sequence copies in the parental lines was also studied.

Origin

Early 19th century: from Greek stoikheion 'element' + -metry.

Definition of stoichiometry in US English:

stoichiometry

nounˌstoikēˈämətrēˌstɔɪkiˈɑmətri
Chemistry
  • The relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.

    〔化〕元素量法,化学计量,化学数学,理想配比

    Example sentencesExamples
    • This method also allowed us to more accurately quantify the stoichiometry of oligomerization at different pH values.
    • This relationship, called the stoichiometry of a reaction, can be used to predict how much reactant is needed to create a certain amount of product or to predict how much of the product will be formed from a certain amount of reactant.
    • Binding and catalytic events are assumed to occur in accordance with their reaction stoichiometry.
    • The relative stoichiometry of the different sequence copies in the parental lines was also studied.
    • Finally, the net reaction may be exothermic or (more commonly) endothermic, depending on reaction stoichiometry.

Origin

Early 19th century: from Greek stoikheion ‘element’ + -metry.

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更新时间:2025/7/4 21:46:32