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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 221 to 230 of 14549 (0.043 seconds)| 221 |
Subdiffusive reaction front in the enamel caries processKosztolowicz, Tadeusz, Lewandowska, Katarzyna D. 02 February 2016 (has links) (PDF)
Starting with the equation describing subdiffusion associated with chemical reactions for one-static reactant, we show that the reaction front X f evolves in time as x f ~ t α/2 with α < 1. The equation is applied to the carious lesion which is caused by the chemical reactions of diffusing acid molecules or pure hydrogen ions with static hydroxyapatite in the tooth enamel. Comparing our theoretical results with the already published experimental ones, we conclude that in some cases the transport process of the acids in the tooth enamel appears to be subdiffusive and should be described by the subdiffusion-reaction equation with the fractional time derivative.
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Studies on diffusion of rhodamine B labeled polystyrene in dilute and semidilute solutions by fluorescence correlation spectroscopyLiu, Ruigang, Oppermann, Wilhelm 02 February 2016 (has links) (PDF)
No description available.
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Measurement of local diffusion properties in brain tissueNicholson, Charles, Tao, Lian, Hrabetova, Sabina, Thorne, Robert G. 02 February 2016 (has links) (PDF)
No description available.
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Effects of ion pairs on mass and charge transport in a crosslinked amorphous polymer electrolyteObeidi, Shahmahmood, Pas, Steven J., Stolwijk, Nicolaas A. 02 February 2016 (has links) (PDF)
No description available.
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Pulsed field gradient NMR in combination with magic angle spinning - new possibilities for studying diffusion in lipid membranes and heterogeneous materialsPampel, André 02 February 2016 (has links) (PDF)
No description available.
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Influence of phase transitions on the mobility of organic pollutants in synthetic and natural polymersRoland, Ulf, Fomba, Khanneh W., Stallmach, Frank, Galvosas, Petrik, Kärger, Jörg, Kopinke, Frank-Dieter 02 February 2016 (has links) (PDF)
No description available.
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Diffusivity of water in a biological model membraneRudakova, Maya, Filippov, Andrey 02 February 2016 (has links) (PDF)
No description available.
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Water diffusion through asymmetric polymer membranes and polyelectrolyte multilayersSagidullin, Alexandr, Meier-Haack, Jochen, Scheler, Ulrich 02 February 2016 (has links) (PDF)
No description available.
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Comparing the biophysical properties of sterols in lipid membranes – what is special about cholesterol?Scheidt, Holger A., Müller, Peter, Herrmann, Andreas, Arnold, Klaus, Gawrisch, Klaus, Huster, Daniel 02 February 2016 (has links) (PDF)
No description available.
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Varying the gradient pulse length gives valuable information in NMR diffusometrySödermann, Olle, Topgaard, Daniel 02 February 2016 (has links) (PDF)
No description available.
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