Sentence Examples


  • The formaldehyde at once undergoes a process of condensation oi- polymerization by the protoplasm of the plastid, while the hydrogen peroxide is said to be decomposed into water and free oxygen by another agency in the cell, of the nature of one of the enzymes of which we shall speak later.
  • Polymerization of the aldehyde was also a feature of Baeyers hypothesis, so that this view does not very materially differ from those he advanced.
  • More emphasis is, however, now laid on the action of the plastid in polymerization, while the initial stages are still not definitely ezplaincd.
  • The trimolecular polymerization of numerous acetylene compounds-substances containing two trebly linked carbon atoms, -C: C -, to form derivatives of benzene is of considerable interest.
  • Fiveand six-membered rings are the most stable and important, the last-named group resulting from the polymerization of many substances; threeand four-membered rings are formed with difficulty, and are easily ruptured; rings containing seven or more members are generally unstable, and are relatively little known.

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