NMR-scope

Details NMR-scope NMR-scope

1990-06-30

1993-03-16

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324306, G01R 3320

Patent

active

051948095

ABSTRACT:
A diagnostic device comprises a magnet providing a nonalternating magnetic field with a gradient in a direction perpendicular to the nonalternating magnetic field, and a scope including a transmitter coil and a receiver coil with the central axes disposed parallel to the direction of the gradient in the nonalternating magnetic field, wherein a pulse of alternating current of a specific frequency with a specific duty cycle period generates a nuclear magnetic resonance emission from a test mass located at a specified distance from the scope, and analysis of the intensity of the nuclear magnetic emission so generated by certain procedures provides amounts of different molecular species making up the test mass, and the time rate of fluid change in the test mass.

REFERENCES:
patent: 4983917 (1991-01-01), Le Roux
patent: 4993414 (1991-02-01), Macovski et al.
patent: 5016637 (1991-05-01), Koizumi et al.

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