Dictionary:Decay curve

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1. A graph of the decay of a quantity as a function of time. An IP (induced potential) voltage decay curve may be characteristic of a particular material. In theory it can be transformed to a resistivity spectrum. See Figure D-2. 2. The return of spinning nuclei to their prior state after a superimposed magnetic field has been removed, as in nuclear magnetic resonance logging (q.v.). Related to relaxation time.