Download or read book Etude du profil des raies de diffraction neutronique en temps de vol utilisant un obturateur statistique written by Patrice Bacher and published by . This book was released on 1987 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: APPLICATION DE L'ETUDE DU TITRE A DEUX GRANDES FAMILLE STRUCTURALES: (1) LES STRUCTURES TETRAEDRIQUES DERIVANT DE CELE DE LA WUERTZITE (LI::(1,33)GE::(1,67)ON::(2); ZN::(1,231)GE::(0,689)O::(0,782)N::(1,218); KGEON), (2) LES STRUCTURES DE TYPE PEROVSKITE (BATAO::(2)N, BANBO::(2)N, LAWO::(0,6)N::(2,4))

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Download or read book Spectrom tre chopper statistique pour tudes de diffraction neutronique lastique en temps de vol sous haute pression 35 Kbars ou haute temp rature 2500oC written by Jean-Louis Buevoz and published by . This book was released on 1975 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book ANALYSE ET ETUDE DE PROFILS DE RAIES DE DIFFRACTIN DES RAYONS X ENREGISTREES AVEC UN DETECTEUR COURBE APPLICATIN A L ANALYSE DE PROPRIETES MICROSTRUCTURALES DE MATERIAUX ET NOTION D INDICATRICE written by Albert Tidu and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE ETUDE PRESENTE LES TRAVAUX REALISES GRACE A UN DETECTEUR COURBE DANS LE CADRE D'ANALYSES CLASSIQUES DE DIFFRACTION DES RAYONS X. L'INTRODUCTION DE CRITERES EXPERIMENTAUX PERMET UNE UTILISATIN RATIONNELLE DE CE DETECTEUR. NOUS PROPOSONS UNE EXPRESSION SIMPLIFIEE DES FONCTIONS DE PEARSON VII ASYMETRIQUES POUR LE LISSAGE ET LA SEPARATION DE PROFILS DE RAIES DE DIFFRACTION X. NOUS INTRODUISONS DES TECHNIQUES D'ANALYSE ADAPTEES AUX MATERIAUX A GROS GRAINS LORS DE LA MESURE DES CONTRAINTES RESIDUELLES (INTEGRATION DISCONTINUE ET FILTRAGE NUMERIQUE DES RAIES DE DIFFRACTION). NOUS DEVELOPPONS ET ETENDONS LE PRINCIPE DES FIGURES DE POLES AUX CARACTERISTIQUES DES RAIES DE DIFFRACTION (NOTION D'INDICATRICE). GRACE A CELLES-CI NOUS OBTENONS DES RELATIONS FORMELLES ENTRE LA TAILLE DES DOMAINES DE DIFFRACTION COHERENTE ET LA MICRO-DEFORMATION. LES DISTRIBUTIONS DE L'INTENSITE DIFFRACTEE EN FONCTIN DU FACTEUR DE FORME DU PROFIL DE RAIE DE DIFFRACTION X MONTRE QU'IL REPRESENTE, COMBINE AVEC LES VARIATIONS DE LA LARGEUR A MI-HAUTEUR, UNE VARIABLE ADEQUATE POUR LA DESCRITION DES MATERIAUX POLYCRISTALLINS DEFORMES. DANS LE CADRE D'HYPOTHESES GENERALEMENT ADMISES, LES RELATIONS MICRO-CONTRAINTE/TAILLE DES DOMAINES DE DIFFRACTION COHERENTE RAPPELLENT LES DIVERSES FORMES DE LA RELATION DE HALL-PETCH. L'ETUDE DES OSCILLATIONS DES GRAPHES RELATANT LES VARIATIONS DE LA DEFORMATION EN FONCTION DE LA DIRECTION DE MESURE PRECISE LE CARACTERE PREDOMINANT DES CARACTERISTIQUES MICROSTRUCTURALES. CE TRAVAIL MONTRE D'UNE FACON GENERALE QUE L'ANALYSE DES MATERIAUX POLYCRISTALLINS PEUT ETRE SIGNIFICATIVEMENT AMELIOREE PAR L'UTILISATION ET LA CONSTRUCTION D'INDICATRICES QUI REFLETENT L'ANISOTROPIE DU MILIEU POLYCRISTALLIN.

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Download or read book Historical Dictionary of Iran written by John Henry Lorentz and published by Historical Dictionaries of Asia, Oceania, and the Middle East. This book was released on 2007 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an overview of specific events, movements, people, political and social groups, places, trends, and chronology. Allows for considerable exploration of a number of historical and contemporary topics and issues. The modern period, defined as 1800-present, is covered extensively.

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