nuclear magnetic resonance flowmeter

nuclear magnetic resonance flowmeter

[′nü·klē·ər mag′ned·ik ′rez·ən·əns ′flō‚mēd·ər]
(engineering)
A flowmeter in which nuclei of the flowing fluid are resonated by a radio-frequency field superimposed on an intense permanent magnetic field, and a detector downstream measures the amount of decay of the resonance, thereby sensing fluid velocity.
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