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Caracterisation Et Developpement D''Agents de Contraste Ultrasonores by Belfor Galaz (Paperback / softback, 2011)

About this product

About this product

Product Information

Ces travaux de recherche ont pour objectif d'etablir des relations entre les parametres acoustiques et les caracteristiques d'un uvel Agent de Contraste Ultrasore (ACU) compose d'une coque polymerique encapsulant un fluide perfluore. Nous utilisons le rapport signal sur bruit pour estimer le rehaussement de contraste. Nous simulons la reponse acoustique pour etudier la diffusion, l'attenuation et la vitesse de propagation de l'onde. L'etude est effectuee a 50 MHz, sur des particules de diametre compris entre 150 nametres et 6 micrometres, dispersees dans de l'eau distillee. Pour des particules de petite taille par rapport a la longueur d'onde et des concentrations etudiees, us pouvons utiliser les theories de diffusion simple pour estimer le rapport signal sur bruit. Ces modeles etablis pour une particule isolee permettent de valider tre approche. Nos simulations permettent, egalement, d'evaluer les effets de l'epaisseur, des proprietes mecaniques de la coque polymerique et du coeur liquide. A terme, la caracterisation des proprietes acoustiques de cet ACU vise a optimiser les processus de sa fabrication afin de produire un rehaussement de contraste plus efficace.

Product Identifiers

Publisher
Univ Europeenne
ISBN-10
6131566240
ISBN-13
9786131566240
eBay Product ID (ePID)
190739941

Product Key Features

Author
Belfor Galaz
Format
Paperback / Softback, Trade Paperback (US) ,Unsewn / Adhesive Bound
Language
French
Subject
Physics
Type
Textbook

Additional Product Features

Series Title
Omn.Univ.Europ.
Content Note
Black & White Illustrations
Date of Publication
20/03/2011
Country of Publication
United States

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