Les Inscriptions à la Bibliothèque sont ouvertes en
ligne via le site: https://biblio.enp.edu.dz
Les Réinscriptions se font à :
• La Bibliothèque Annexe pour les étudiants en
2ème Année CPST
• La Bibliothèque Centrale pour les étudiants en Spécialités
A partir de cette page vous pouvez :
Retourner au premier écran avec les recherches... |
Détail de l'indexation
M005485
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Ouvrages de la bibliothèque en indexation M005485
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Titre : Contribution à l'étude du comportement anharmonique du durène : absorption de relaxation moléculaire Type de document : texte imprimé Auteurs : Asmani, Mohamed, Auteur ; Dahel, A., Directeur de thèse Editeur : Université des Sciences et de la Technologie Houari Boumedienne Année de publication : 1985 Importance : 95 f. Présentation : ill. Format : 27 cm. Note générale : Mémoire de Magister : Sciences Physiques : Alger, Université des Sciences et de la Technologie Houari Boumedienne : 1985
Annexe f. 97 - 98 Bibliogr. [1] fLangues : Français (fre) Mots-clés : Durène ; Propriété élastique ; Propagation ; Acoustique physique ; Absorption ; Relaxation moléculaire Index. décimale : M005485 Résumé : Nous avons présenté dans ce mémoire, une étude sur l'absorption des ultrasons dans le Durène.
La méthode de mesure utilisée est basée sur la décroissance des échos par transmission dans la bande de fréquence (30-50 MHZ) à température ambiante.
Les propriétés physiques du Durène sont semblables à celles du NAPHTALENE.
Nous nous proposons de faire une analyse comparative de nos résultats à ceux obtenus dans d'autres travaux sur différents cristaux moléculaires (ANTHRACENE, NAPHTALENE).
Le plan de notre travail est le suivant:
- Le premier chapitre sera consacré à la structure cristallographique et aux propriétés physiques du Durène.
- Dans le deuxième chapitre, nous entamerons l'étude des propriétés élastiques et des phénomènes de propagation dans un cristal monoclinique.
- Dans le troisième chapitre, nous présenterons une étude macroscopique des phénomènes physiques responsables de l'atténuation dans les cristaux moléculaires.
- Les mesures expérimentales ferons l'objet du quatrième chapitre.
- Dans le cinquième chapitre nous ferons une interprétation de nos mesures, à la lumière d'une analyse microscopique du phénomène d'absorption suivant deux modèles:
* Modèle de la molécule rigide.
* Modèle de la molécule "quasi-rigide" ou pulsée.Contribution à l'étude du comportement anharmonique du durène : absorption de relaxation moléculaire [texte imprimé] / Asmani, Mohamed, Auteur ; Dahel, A., Directeur de thèse . - Alger : Université des Sciences et de la Technologie Houari Boumedienne, 1985 . - 95 f. : ill. ; 27 cm.
Mémoire de Magister : Sciences Physiques : Alger, Université des Sciences et de la Technologie Houari Boumedienne : 1985
Annexe f. 97 - 98 Bibliogr. [1] f
Langues : Français (fre)
Mots-clés : Durène ; Propriété élastique ; Propagation ; Acoustique physique ; Absorption ; Relaxation moléculaire Index. décimale : M005485 Résumé : Nous avons présenté dans ce mémoire, une étude sur l'absorption des ultrasons dans le Durène.
La méthode de mesure utilisée est basée sur la décroissance des échos par transmission dans la bande de fréquence (30-50 MHZ) à température ambiante.
Les propriétés physiques du Durène sont semblables à celles du NAPHTALENE.
Nous nous proposons de faire une analyse comparative de nos résultats à ceux obtenus dans d'autres travaux sur différents cristaux moléculaires (ANTHRACENE, NAPHTALENE).
Le plan de notre travail est le suivant:
- Le premier chapitre sera consacré à la structure cristallographique et aux propriétés physiques du Durène.
- Dans le deuxième chapitre, nous entamerons l'étude des propriétés élastiques et des phénomènes de propagation dans un cristal monoclinique.
- Dans le troisième chapitre, nous présenterons une étude macroscopique des phénomènes physiques responsables de l'atténuation dans les cristaux moléculaires.
- Les mesures expérimentales ferons l'objet du quatrième chapitre.
- Dans le cinquième chapitre nous ferons une interprétation de nos mesures, à la lumière d'une analyse microscopique du phénomène d'absorption suivant deux modèles:
* Modèle de la molécule rigide.
* Modèle de la molécule "quasi-rigide" ou pulsée.Exemplaires
Code-barres Cote Support Localisation Section Disponibilité Spécialité Etat_Exemplaire M005485 M005485 Papier Bibliothèque centrale Mémoire de Magister Disponible Documents numériques
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