zaključna naloga
Domen Kosmač (Author), Aleš Mohorič (Mentor), Franci Bajd (Co-mentor)

Abstract

V tem delu se osredotočim na merjenje omejene difuzije z jedrsko magnetno resonanco (NMR). V prvem delu je opis difuzije in omejene difuzije. Sledijo osnove NMR in opis meritev. Opisani so tudi elementi merilnega sistema z NMR. Predstavljene so meritve omejene difuzije v homogenem izotropnem vzorcu ter v heterogenem izotropnem vzorcu in anizotropnem vzorcu. Iz meritve lahko sklepamo na mikroskopsko strukturo vzorca, usmerjenost podolgovatih por in njihovo velikost.

Keywords

jedrska magnetna resonanca;metoda PGSE;difuzija;omejena difuzija;anizotropna difuzija;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FMF - Faculty of Mathematics and Physics
Publisher: [D. Kosmač]
UDC: 543.429.23
COBISS: 3146596 Link will open in a new window
Views: 1440
Downloads: 600
Average score: 0 (0 votes)
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Other data

Secondary language: English
Secondary title: Restricted diffusion in porous media
Secondary abstract: This work focuses on measuring diffusion with nuclear magnetic resonance (NMR). First part describes diffusion and restricted diffusion. Next, follow the basics of NMR and description of measurements. The elements of the measuring system with NMR are also described. Presented are measurements of bulk diffusion in isotropic sample as well as restricted diffusion in isotropic and anisotropic sample. From the measurements we can infer the microscopic structure of the sample, the orientation of oblong pores and their size.
Secondary keywords: nuclear magnetic resonance;PGSE method;diffusion;restricted diffusion;anisotropic diffusion;
Type (COBISS): Final paper
Study programme: 0
Thesis comment: Univ. v Ljubljani, Fak. za matematiko in fiziko, Oddelek za fiziko
Pages: 40 f.
ID: 10913436