Synthèse et caractérisation de membranes en silice méso- et micro-poreuses, passives ou catalytiquement actives PDF Download
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Author: Christine Balzer Bichouard
Publisher:
ISBN:
Category :
Languages : fr
Pages : 200
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Book Description
Author: Christine Balzer Bichouard
Publisher:
ISBN:
Category :
Languages : fr
Pages : 200
Get Book Here
Book Description
Author: DENIS.. UZIO
Publisher:
ISBN:
Category :
Languages : fr
Pages : 240
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Book Description
LE SUJET DE CE TRAVAIL EST LA CARACTERISATION DE MEMBRANES MESO ET MICROPOREUSES AYANT POUR OBJECTIF DES APPLICATIONS CATALYTIQUES. DANS CE BUT NOUS AVONS AUSSI ETUDIE LE DEPOT DE PLATINE DANS LE RESEAU POREUX DE CES MATERIAUX. LES MEMBRANES EN ALUMINE SCT 5 NM ONT PU ETRE DECRITES PAR UNE COMBINAISON DE PORES EN FENTE ET DE CAVITES PLUS LARGES, LES PORES LES PLUS ETROITS CONTROLANT LES PROPRIETES DE TRANSPORT. LES TECHNIQUES DYNAMIQUES ONT MONTRE QUE CE TYPE DE MATERIAU PRESENTE DES TORTUOSITES ELEVEES, PARAMETRE TRES IMPORTANT POUR LA COMPREHENSION DES PROPRIETES DE TRANSFERT. DE MEME L'ANALYSE DES ISOTHERMES DE PHYSISORPTION D'AZOTE A PERMIS D'EVALUER DES PARAMETRES COMME LA CONNECTIVITE DU RESEAU POREUX, DIRECTEMENT RELIEE AUX PROPRIETES DE TRANSPORT TRANSMEMBRANAIRE. LA CARACTERISATION DE MEMBRANES MICROPOREUSES (MEMBRANES SOL-GEL, MEMBRANES ZEOLITHIQUES) A EGALEMENT FAIT L'OBJET D'UN CERTAIN NOMBRE D'ETUDES. DANS UNE TROISIEME PARTIE, NOUS AVONS ABORDE L'ETUDE DU DEPOT DE PLATINE DANS LES RESEAUX POREUX DES MEMBRANES. UNE METHODE BASEE SUR L'ECHANGE IONIQUE A CONDUIT AUX MEILLEURS RESULTATS. LES PROPRIETES DU DEPOT DEPENDENT DE PARAMETRES COMME NATURE ET MODE D'INTRODUCTION DU PRECURSEUR, RESEAU POREUX DE LA MEMBRANE (TAILLE ET FORME DE PORE, CONNECTIVITE). LE PLATINE DEPOSE A ENSUITE ETE CARACTERISE EN ABSENCE D'EFFET MEMBRANAIRE DU POINT DE VUE DE SES PROPRIETES CATALYTIQUES, QUI SONT IDENTIQUES A CELLES D'UN CATALYSEUR CONVENTIONNEL
Author: David Adler
Publisher: Springer Science & Business Media
ISBN: 1489922601
Category : Science
Languages : en
Pages : 448
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Book Description
The Institute for Amorphous Studies was founded in 1982 as the international center for the investigation of amorphous mate rials. It has since played an important role in promoting the und er standing of disordered matter in general. An Institute lecture series on "Fundamentals of Amorphous Materials and Devices" was held during 1982-83 with distinguished speakers from universities and industry. These events were free and open to the public ,and were attended by many representatives of the scientific community. The lectures themselves were highly successful inasmuch as they provided not only formal instruction but also an opportunity for vigorous and stimulating debate. That last element could not be captured within the pages of a book I but the lectures concentrated on the latest advances in the field I which is why their essential contents are he re reproduced in collective form. Together they constitute an interdisciplinary status report of the field. The speakers brought many different viewpoints and a variety of back ground experiences io bear on the problems involved I but though language and conventions vary I the essential unity of the concerns is very clear I as indeed are the ultimate benefits of the many-sided approach.
