๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Driven-equilibrium radiofrequency pulses in NMR imaging

โœ Scribed by C. M. J. Van Uijen; J. H. Den Boef

Book ID
102531346
Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
388 KB
Volume
1
Category
Article
ISSN
0740-3194

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โœฆ Synopsis

Driven-equilibrium pulse techniques are applied 1 . 0 NMR imaging to extend the possibilities of manipulating image contrasts in pulse sequences with a high repetition rate. In many cases the data acquisition time can be much shorter than in more conventional pulse techniques. Both calculations and experiments reveal that the intensity of tissue with slowly relaxing nuclear magnetizations can significantly be enhanced, thus facilitating the detection of a number of pathologies.

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## Abstract Simple theoretical estimates of the average, maximum, and spatial variation of the radiofrequency power deposition (specific absorption rate) during hydrogen nuclear magnetic resonance imaging are deduced for homogeneous spheres and for cylinders of biological tissue with a uniformly pe