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词汇 phenanthrene
释义

Definition of phenanthrene in English:

phenanthrene

noun fɪˈnanθriːnfəˈnanTHrēn
mass nounChemistry
  • A crystalline hydrocarbon present in coal tar.

    〔化〕菲

    A tricyclic compound: chemical formula: C₁₄H₁₀

    Example sentencesExamples
    • The difference in expression of vitellogenin and choriogenins H and E between fish exposed to phenanthrene and reduced phenanthrene suggests that the two compounds may affect estrogenic receptors differently.
    • The organic compound phenanthrene can be precipitated from an ethanolic solution by the addition of water.
    • Hplc analysis of the extracts showed that phenanthrene, fluoranthene and pyrene were the most abundant PAHs in all samples.
    • Fujiwara repeated uptake and release experiments with both pyrene and phenanthrene, whose molecules are smaller than those of cholestane, with similar results.
    • The Cornell team worked with sand contaminated with phenanthrene, a polycyclic aromatic hydrocarbon typically found in coal tar.

Definition of phenanthrene in US English:

phenanthrene

nounfəˈnanTHrēn
Chemistry
  • A crystalline hydrocarbon present in coal tar, used especially in making dyes and synthetic drugs.

    A tricyclic compound: chemical formula: C₁₄H₁₀

    Example sentencesExamples
    • The difference in expression of vitellogenin and choriogenins H and E between fish exposed to phenanthrene and reduced phenanthrene suggests that the two compounds may affect estrogenic receptors differently.
    • Fujiwara repeated uptake and release experiments with both pyrene and phenanthrene, whose molecules are smaller than those of cholestane, with similar results.
    • The Cornell team worked with sand contaminated with phenanthrene, a polycyclic aromatic hydrocarbon typically found in coal tar.
    • Hplc analysis of the extracts showed that phenanthrene, fluoranthene and pyrene were the most abundant PAHs in all samples.
    • The organic compound phenanthrene can be precipitated from an ethanolic solution by the addition of water.
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