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单词 initiator
释义
initiator

Chemical Engineering
  • 1. A substance or molecule that starts a chain reaction other than a reactant. For example, peroxides are used in polymerization reactions of methyl methacrylate monomer.

    2. A small device used to start an explosive train such as a detonator. The initiator usually contains a small quantity of a sensitive explosive and receives a mechanical or electrical impulse to cause the detonation.


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