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polycyclic
[ˌpɒlɪˈsaɪklɪk] [ˌpɑːlɪˈsaɪklɪk]

  • adj. 多环的,多相的

专业释义

  • 偶联成环 - 引用次数:1

    参考来源 - 钯催化含丙烯酰基的多烯烃与卤代芳烃的偶联成环反应研究
    多环的
  • 多轮的;多环的
    多环的
    多轮的
  • 多相的
  • 多旋回的

·2,447,543篇论文数据,部分数据来源于NoteExpress

 柯林斯英汉双解大词典 

polycyclic /ˌpɒlɪˈsaɪklɪk/

  • 1. 

    ADJ (of a molecule or compound) containing or having molecules that contain two or more closed rings of atoms 多环的

  • 2. 

    N a polycyclic compound 多环化合物

    例:

    anthracene is a polycyclic

词组短语同近义词

polycyclic aromatic hydrocarbon 多环芳烃;稠环芳烃

双语例句权威例句

  • On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.

    地球上糊的面包汽车尾气里含有环芳烃。

    youdao

  • The green indicates the presence of complex molecules called polycyclic aromatic hydrocarbons.

    绿色则表明大分子多环芳香烃存在

    youdao

  • Pollutants in cigarettes called PAHs (polycyclic aromatic hydrocarbons) can cause genetic damage in minutes.

    香烟中的污染物质PAHs(多环芳香烃)在几分钟内对基因造成损害

    youdao

更多双语例句
  • The water leftover from the extraction process, known as tailings, contains arsenic, mercury, napthenic acids and polycyclic aromatic hydrocarbons (PAHs).

    BBC: Canada's 'dirty oil' challenge

  • The researchers looked at the level of chemicals linked with cancer, polycyclic aromatic hydrocarbons (PAH), in 12 patients after smoking.

    BBC: Smoking

  • Fracking fluids are believed to contain, in addition to water, benzene, ethylbenzene, formaldehyde, methanol, naphthalene, polycyclic aromatic hydrocarbons, toluene, xylene, boric acid, hydrochloric acid, isopropanol, and diesel fuel.

    FORBES: European Gas Giant Backs French Fear Of Fracking

更多权威例句

词组短语

polycyclic aromatic hydrocarbon 多环芳烃;稠环芳烃

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