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1H nuclear spin-lattice relaxation in coal during heating

✍ Scribed by David S. Webster; Leo J. Lynch


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
415 KB
Volume
60
Category
Article
ISSN
0016-2361

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Proton spin-lattice relaxation in moist
✍ Roger H. Newman; Sally J. Davenport πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 259 KB

## Proton spin-lattice relaxation time constants (TV) have been found to range over more than an order of magnitude for coals of different rank'-'. Proposed relaxation mechanisms have included spin diffusion to paramagnetic centreslm3 or to rotating methyl groups5, and penetration of molecular ox