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词汇 thiourea
释义

Definition of thiourea in English:

thiourea

nounˌθʌɪə(ʊ)jʊˈriːəˌTHīōyəˈrēə
mass nounChemistry
  • A synthetic crystalline compound used in photography and the manufacture of synthetic resins.

    〔化〕硫脲

    The sulphur analogue of urea; chemical formula: SC(NH₂)₂

    Example sentencesExamples
    • All three have been shown to be active in a variety of yeast-based screens and there is some evidence that urethane and thiourea may induce free radicals in yeast cells.
    • Isothiocyanate reacts spontaneously with amino groups to form thiourea which interferes in the thyroid gland with the organification of iodide and the formation of thyroid hormone.
    • Though the mutagenic activity of ethylene thiourea is well documented, very little is known about the deleterious effects of zineb.
    • However, the presence of thiourea in the RB prevents effective protein alkylation by IAA.
    • IPI test results indicate the thiourea in the formula is the effective ingredient, converting image silver to stable silver sulfide.

Definition of thiourea in US English:

thiourea

nounˌTHīōyəˈrēə
Chemistry
  • A synthetic crystalline compound used in photography and the manufacture of synthetic resins.

    〔化〕硫脲

    The sulfur analog of urea; chemical formula: SC(NH₂)₂

    Example sentencesExamples
    • IPI test results indicate the thiourea in the formula is the effective ingredient, converting image silver to stable silver sulfide.
    • However, the presence of thiourea in the RB prevents effective protein alkylation by IAA.
    • Though the mutagenic activity of ethylene thiourea is well documented, very little is known about the deleterious effects of zineb.
    • All three have been shown to be active in a variety of yeast-based screens and there is some evidence that urethane and thiourea may induce free radicals in yeast cells.
    • Isothiocyanate reacts spontaneously with amino groups to form thiourea which interferes in the thyroid gland with the organification of iodide and the formation of thyroid hormone.
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