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单词 polynuclear
释义

Definition of polynuclear in English:

polynuclear

adjective ˌpɒlɪˈnjuːklɪəˌpälēˈn(y)o͞oklēər
Chemistry
  • 1(of a complex) containing more than one metal atom.

    Example sentencesExamples
    • The CO ligand can add to the polynuclear complex in three different ways.
    • This method comprises depositing a polynuclear complex comprising a plurality of organic polydentate ligands and a plurality of noble metal atoms on an oxide support, and then removing the organic polydentate ligands.
    1. 1.1 (of a compound) polycyclic.
      Example sentencesExamples
      • If possible, avoid using roofs of buildings that rely on wood heat, as the smoke particles and soot deposited on the roof may contain polynuclear aromatic hydrocarbons and other hazardous materials.
      • The earliest substances identified, in 1953, were benzo pyrene, and other polynuclear aromatic hydrocarbons, which were known to produce tumours in animal experiments.
      • Residents of Woburn may also have been exposed to polynuclear aromatic hydrocarbons as well as to arsenic and chromium compounds in their drinking water.
      • The residues were redissolved in DMSO for analysis of polynuclear aromatic compounds and for the mutagenicity test.
      • Poisons left behind under and around Midway Village include benzene, lead, and polynuclear aromatic hydrocarbons, a class of compounds that includes many known carcinogens.
 
 

Definition of polynuclear in US English:

polynuclear

adjectiveˌpälēˈn(y)o͞oklēər
Chemistry
  • 1(of a complex) containing more than one metal atom.

    Example sentencesExamples
    • This method comprises depositing a polynuclear complex comprising a plurality of organic polydentate ligands and a plurality of noble metal atoms on an oxide support, and then removing the organic polydentate ligands.
    • The CO ligand can add to the polynuclear complex in three different ways.
    1. 1.1 (of a compound) polycyclic.
      Example sentencesExamples
      • Poisons left behind under and around Midway Village include benzene, lead, and polynuclear aromatic hydrocarbons, a class of compounds that includes many known carcinogens.
      • Residents of Woburn may also have been exposed to polynuclear aromatic hydrocarbons as well as to arsenic and chromium compounds in their drinking water.
      • The earliest substances identified, in 1953, were benzo pyrene, and other polynuclear aromatic hydrocarbons, which were known to produce tumours in animal experiments.
      • The residues were redissolved in DMSO for analysis of polynuclear aromatic compounds and for the mutagenicity test.
      • If possible, avoid using roofs of buildings that rely on wood heat, as the smoke particles and soot deposited on the roof may contain polynuclear aromatic hydrocarbons and other hazardous materials.
 
 
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更新时间:2025/3/16 20:19:41