2006
DOI: 10.1016/j.jmr.2006.06.032
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Probing four orders of magnitude of the diffusion time in porous silica glass with unconventional NMR techniques

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Cited by 20 publications
(3 citation statements)
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References 21 publications
(42 reference statements)
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“…23d. The effects of internal gradients on the measured signal are less at low field [353] and can be eliminated altogether, if diffusion is probed in a B 1 field gradient [354,355]. In porous media, the bulk diffusion coefficient D 0 is observed only in the short time limit.…”
Section: Hahn Echo Stimulated Echomentioning
confidence: 99%
“…23d. The effects of internal gradients on the measured signal are less at low field [353] and can be eliminated altogether, if diffusion is probed in a B 1 field gradient [354,355]. In porous media, the bulk diffusion coefficient D 0 is observed only in the short time limit.…”
Section: Hahn Echo Stimulated Echomentioning
confidence: 99%
“…Ezek a viszonylag olcsó relaxométerek igen hatékonyan alkalmazhatóak például pórusméret meghatározására. E munkánkban jelentõs szakmai és szoftvertámogatást kaptunk Ioan Ardelean professzortól a kolozsvári Mûszaki Egyetemrõl, aki a kisterû NMR nemzetközileg elismert szakértõje, és az alkalmazásáról számos közleményt publikált [19][20][21] . A relaxáció sebességét hagyományosan a T 1 és T 2 longitudinális és transzverzális relaxációs idõállandókkal jellemzik, amelyek a relaxáció elsõrendû sebességi koefficienseinek reciprok értékei.…”
Section: Nmr Relaxometriaunclassified
“…Also, conic coils have been widely employed although they generally deliver an approximately uniform gradient with strong variations of the rf field in planes perpendicular to the main gradient direction. This type of coil can be positioned around the sample [16][17][18][19][20] or remotely along the sample axis [21,22].…”
Section: Introductionmentioning
confidence: 99%