中英词典查询

quaternary [kwə'tənerɪ]

n. 四，四个一组;
adj. 第四组中的组成部分，四进制的;
复数：: quaternaries

例句:

  • Cationics are usually quaternary ammomium salts.
    阳离子表面活性剂通常为季铵盐类.
  • The Quaternary sediments are largely undeformed.
    第四纪的沉积物大部分未变形.
  • Moreover , there is a chiral quaternary carbon in the 1 - hydroxyethylidenediphosphonic ( hedp ) ligand.
    证实1-羟基乙叉 -1,1-二膦酸配体 ( hedp ) 中的季碳为手性碳原子.
  • The results are published in the Journal of Quaternary Science.
    来自BBC
  • That we are in the Quaternary period or that we are in the Holocene epoch of the Quaternary period?
    来自SA
  • Global Quaternary climate cycles, with an emphasis on abrupt climate change and glacial and interglacial transitions.
    来自SA