free induction decay


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free induction decay

[¦frē in′dək·shən di‚kā]
(spectroscopy)
A type of electron paramagnetic resonance spectroscopy in which a material is exposed to a short high-power pulse (as short as 2 nanoseconds) of microwave radiation, and the response of the material is Fourier transformed into the normal spectrum. Abbreviated FID.
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The free induction decay was dumped into the department computer system, just as was the raw data from their IR spectra.
The undergraduate organic laboratory in the year 2001
[T.sub.2] is readily determined from the free induction decay (FID).
Epoxy and glass composites in water studied with 2H-NMR

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