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单词 unreactive
释义

Definition of unreactive in English:

unreactive

adjective ʌnrɪˈaktɪvˌənrēˈaktiv
  • Having little tendency to react chemically.

    不易起化学反应的;惰性的

    Example sentencesExamples
    • Some unreactive metals react only very slowly, such as copper and lead.
    • Nonmetals with eight valence electrons are chemically unreactive.
    • Cooling molten silica below the melting point results in fused silica, a rigid, transparent substance, chemically unreactive to the vast majority of substances.
    • John Hartwig and his team at Yale University meanwhile have found a simple way to add a functional group using borane reagents and a rhodium complex catalyst to the commonly unreactive alkanes at a fairly mild 150 Celsius.
    • The most dense gas known, radon is colorless and chemically unreactive.

Definition of unreactive in US English:

unreactive

adjectiveˌənrēˈaktiv
  • Having little tendency to react chemically.

    不易起化学反应的;惰性的

    Example sentencesExamples
    • Cooling molten silica below the melting point results in fused silica, a rigid, transparent substance, chemically unreactive to the vast majority of substances.
    • Nonmetals with eight valence electrons are chemically unreactive.
    • Some unreactive metals react only very slowly, such as copper and lead.
    • John Hartwig and his team at Yale University meanwhile have found a simple way to add a functional group using borane reagents and a rhodium complex catalyst to the commonly unreactive alkanes at a fairly mild 150 Celsius.
    • The most dense gas known, radon is colorless and chemically unreactive.
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更新时间:2024/12/28 12:30:50