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residence time

Also called residence. Chemistry. the length of time a substance remains in the adsorbed, suspended, or dissolved state.
Physics. the length of time radioactive material, as gas or particles, remains in the atmosphere after detonation of a nuclear device. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for residence time
  • The shorter the residence time, the higher the reactor temperature must be.
  • residence time is the amount of time the fuel mixture remains in the combustion chamber.
  • residence time is a key parameter affecting the degree to which decontamination is achievable.
  • The timing of reservoir releases changes the residence time of water in the reservoir and the pattern of downstream flows.
  • The residence time of an entrained flow gasifier is on the order of seconds or tens of seconds.

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