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Browsing Doctorat (Physique) by Issue Date

Browsing Doctorat (Physique) by Issue Date

Now showing items 1-20 of 409

Contribution à l'étude du fonctionnement ventriculaire gauche par des méthodes d'identification paramétriques

Demoment, Guy; Blanc-Lapierre, M. ([France] : Université de Paris, 1977-03-15)

Le but de ce travail est d'élaborer, à l'aide de méthodes d'identification de processus, un modèle du fonctionnement du ventricule gauche du chien pendant la systole, c'est à dire pendant la phase active. Il est en effet ...
Sur les enductions anti-decharge des cables moyenne-tension.

Moussali, Georges; Caillon, M. (Univ.des Sciences et Techniques du Languedoc, 1977-07-05)
Short term production scheduling for a two-stage manufacturing system.

Belarbi, Khaled; Singh, Nadan G. (England [United Kingdom] : University of Manchester, 1987-12)

This thesis deals with the lower level of decision in a hierarchical approach to the planning and scheduling of production for two-stage manufacturing facilities. It is concerned with the short term scheduling of the item ...
Elaboration d'alliages du type (Fe- W-Mo) par la métallurgie des poudres.

Barama, Salah Eddine; Harabi, A. (Université Frères Mentouri - Constantine 1, 1998)
Le Modèle left-right dans la géométrie non associative et quelques applications des groupes quantiques

Benslama, Achour; Mebarki, N. (1999)

We start by discussing the parity violation in the left-right model SU(2)i, x SU (2)it in the framework of nonassooiative geometry and we will include eh'ct romagnet ism and ehromodyn;unies in the previous model in the ...
Spectroscopie, conformation théorique et structure cristalline de quelques produits halogénodurènes

Boudjada A.; Hamdouni Noudjoud (Université Frères Mentouri - Constantine 1, 2001-01-01)

This work is part of a systematic study of the behavior of the methyl group (CH3) in benzene compounds C10H13X substituted with methyl and halogens and that exhibit large symmetry. In this case, we have determined the ...
Thermal stability and microstructure of some rapidly solified Al-Cr-Zr alloys

Boubertakh, Abdelhamid; Lorimer, G.W; Hamamda S. (Université Frères Mentouri - Constantine 1, 2002)

The thermal stabi'ity and mierostnicture of some rapidly solidified aluminium alloys which had been prepared by different inpid solidification routes have been examined. These include an AI-5Cr-2Zr (wt.%) alloy, which ...
Elaboration et caractérisation de nanocomposites hybrides

Troudi, Bariza; Halimi, Ouahiba (Université Frères Mentouri - Constantine 1, 2003-07-12)

Thin films of metal oxides/polymers nanocomposites were deposited on glass substrates by Spin-Coating and Dip-Coating techniques. The nanocomposites were elaborated by inserting, in the matrices of polystyrene (PS) and ...
Différents aspects de la gravitation et de la non commutativité avec quelques applications cosmologiques.

Bouhallouf, Habiba; Mebarki, Noureddine (Université Frères Mentouri - Constantine 1, 2004-12-21)

Noncommutative geometry has a very important role in gravitation word because it answers to a lot of questions and explain several phenomena. With the properties of noncommutative space-time (Seiberg-Witten mapping with ...
Synthèse et caractérisation de films minces de dioxyde de titane TiO2 préparé par pulvérisation reactive de magnétron, déstinés à la photocatalyse.

Boukrouh, Smain; Latrous, Khelil (Université Frères Mentouri - Constantine 1, 2009-02-15)

Dans ce travail, nous présentons l'étude des films minces du dioxyde de titane, Ti02, élaborées selon le procédé de la pulvérisation réactive DC magnétron. L'influence du temps de dépôt et du traitement thermique sur ...
Etude des propriétés physiques des céramiques supraconductrices dopées

Chamekhi, Souheila; Bouabellou, Abderaheman (Université Frères Mentouri - Constantine 1, 2019-04-25)

In order to study the effect of doping on the physical properties of superconducting YBa2Cu3O7-δ ceramic compound in which Cu was substituted by: Ni, Ag, Mn and Co. We have prepared our samples from carbonate BaCO3, oxides ...
Déflexion de la lumiére et temps de retard à l'échelle cosmologique

Guenouche, Mourad; Zouzou, Sami Ryad (Université Frères Mentouri - Constantine 1, 2019-10-10)

The research work carried out in this doctoral thesis covers two separate topics. In the Örst topic, we have investigated strong gravitational lensing by a spherically symmetric mass distribution in the framework of two ...
Elaboration et caractérisation des produits organiques à intérêt biologique substitués par des méthyles et des halogènes.

Zemamouche, Wissame; Boudjada, Ali; Hamdouni, Noudjoud (Université Frères Mentouri - Constantine 1, 2021-12-16)

Our envisaged purpose in this thesis is to understand the role and the behavior of halogens and methyls in the study of N - ((4-Chlorophenyl) (2-Hydroxynaphtalen-1-YL) Methyl) Acetamide and (Z) -4 - (4-Hydroxybenzylidene) ...
The effects of MWCNTs on iron–copper nanocomposites thermal-structural properties.

Bouleklab, Mohamed Cherif; Hamamda, Smail (Université Frères Mentouri - Constantine 1, 2021-12-16)

The subject studied in the presented thesis is the effect of incorporating different concentrations of multiwall carbon nanotubes into iron-copper — Fe–Cu with a ratio of 4:1; MWCNTs of 0.5, 1.0 and 2.0 vol.%—nanocomposites—made ...
Etude spectroscopique et structurale des produits halogéno-méthyles des produits benzéniques présentant un intérêt biologique.

Benouatas, Assia; Boudjada, Ali (Université Frères Mentouri - Constantine 1, 2022)

Structure and spectroscopy of halogeno-methyl of benzene products of biological interest In the interest of research on biologically active organic products, our thesis work consists of a spectroscopic and structural study ...
تحضير ودراسة الأغشية الرقيقة لأوكسيد الزنك (ZnO) النقية والمطعمة بعنصر الرصاص (Pb).

بومعيزة, عيسى; بودين, بوبكر (Université Frères Mentouri - Constantine 1, 2022-03-06)

In this Work, undoped and Pb-doped ZnO thin films have been prepared by sol gel method and deposited on glass substrate using dipcoating technique. The structural, morphological, and optical properties of the films were ...
Contribution à l’étude théorique des transferts thermiques combines aux écoulements de fluide dans un conduit annulaire fixe et en rotation soumis à un gradient de température.

Chaieb, Ismahane; Boufendi, Toufik (Université Frères Mentouri - Constantine 1, 2022-03-15)

This research work is a numerical simulation of forced and mixed convectionthreedimensional of a fluid characterized by thermo-dependencethree-dimensional of a fluid characterized by thermo-dependenceof physical ...
Elaboration des oxydes transparents conducteurs par voie Sol-Gel.

Adjimi, Amel; Attaf, Nadhir (Université Frères Mentouri - Constantine 1, 2022-05-11)

The main objective of the study undertaken in this thesis is to elaborate undoped tin dioxide (SnO2) thin films and doped by Fluorine and Gadolinum from two methods synthetic sol-gel and pyrolysis spray, and to optimize ...
Etude spectroscopique et structurale des produits halogéno-méthyles des produits benzéniques présentant un intérêt biologique.

Benouatas, Assia; Boudjada, Ali (Université Frères Mentouri - Constantine 1, 2022-05-26)

Structure and spectroscopy of halogeno-methyl of benzene products of biological interest In the interest of research on biologically active organic products, our thesis work consists of a spectroscopic and structural ...
Contribution à la modélisation de la recristallisation primaire des aciers IF.

Ramoul, Meriem; Ayad, Abdelhak (Université Frères Mentouri - Constantine 1, 2022-06-29)

This work is a contribution to the quantification and simulation of primary recrystallization in IF steels. IF steels are alloys with high drawing capacity and are intended for the automotive industry. To do this, we ...

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