• Intégration des énergies renouvelables dans le bâtiment. 

  Saadi, Souad; Chaker (Née Abdelmoumene), Abla (Université Frères Mentouri Constantine 1, 2024-05-26)

  The use of solar energy to reduce the consumption of fossil fuels in buildings is an interesting solution. This thesis is part of this context. The objective of this work is, first of all, the detailed study of the sunspot ...
• Contribution a l’étude théorique des écoulements de Taylor-couette en modes de Co et de contra-rotation dans un conduit annulaire horizontal soumis à un chauffage différentiel. 

  Redjaimia, Ikram; Touahri, Sofiane (Université Frères Mentouri Constantine 1, 2025-04-12)

  This thesis investigates hydrodynamic and thermal instabilities in a Taylor-Couette system subjected to differential heating, analyzing the influence of geometric parameters and rotational conditions of the cylinders across ...
• Contribution à l’étude numérique de la convection naturelle thermosolutale dans un espace annulaire rempli de nanofluides. 

  Saidani, Lyamine; Djezzar, Mahfoud (Université Frères Mentouri Constantine 1, 2024-12-07)

  The present work is a contribution to the study of thermosolutal magnetohydrodynamic natural convection and entropy generation in a horizontal annular space between two concentric circular cylinders filled with nanofluids ...
• Quelques modèles au-delà du modèle standard et le problème de la baryogénèse électrofaible. 

  Boubakir, Alima; Aissaoui, Habib (Université Frères Mentouri Constantine 1, 2023-01-09)

  In this work, we studied the electroweak baryogenesis through the electroweak phase transition (EWPT) which is required to be strong and of the first order to fulfill the third Sakharov condition, the existence of (EWPT) ...
• Caractérisation structurale et optique de couches minces formées par des agrégats des nanocristaux de ZnO. 

  Benyahia, El-Hachmi; Ouili, Zeineddine; Sebais, Miloud (Université Frères Mentouri Constantine 1, 2022-11-12)

  The objective of this work is to control the different parameters involved in the synthesis, by the hydrothermal method, of nanoparticles of ZnTe and ZnSe semiconductors in order to use them as a filler and incorporate ...
• Etude de conception d’un réservoir de stockage du pré-mélange hydrogène-gaz naturel comprimé. 

  Khab, Hayet; Chaker (Née Abdelmoumene), Abla (Université Frères Mentouri - Constantine 1, 2022-12-21)

  Considered as the energy transporter of the future, hydrogen seems to be the miracle solution to overcome the current energy and environmental crisis. This may be true provided that all the problems underlying in its life ...
• Étude de la stabilité microstructurale des matériaux de structure industriels durant les traitements thermiques et thermomécaniques compliqués. 

  Laouar, Belgacem; Hamana, Djamel (Université Frères Mentouri - Constantine 1, 2022-12-22)

  This work is a contribution to the understanding of the phenomena occurring during the continuous heating of an Al-Mg-Si alloy plastically deformed. Thus, the effect of plastic deformation at two temperatures (cold and ...
• Étude de l’intéraction nickel-oxyde de magnésium. propriétés et application de nanoparticules Ni-Mg et NiO-MgO. 

  Ouafek, Nora; Keghouche, Nassira (Université Frères Mentouri - Constantine 1, 2023-02-02)

  This work deals with Ni/MgO intended for use as antibacterial agents. The samples were prepared by impregnation (named NMI) followed either by irradiation under 60Co radiation (NMR) or calcined at T ≥ 100°C (NMC(T)). Various ...
• Conformation et spectroscopie de molécules aromatiques assemblées dans le cristal ou encagées dans des clathrates d’halogénotriazines. 

  Medjroubi, Mohamed Larbi; Boudjada, Ali (Université Frères Mentouri - Constantine 1, 2022-11-26)

  The thesis aims to systematically extend recent observations indicating that the molecular conformation and certain vibrational modes of polysubstituted benzenes vary strongly when their environment varies. The molecules ...
• 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 ...
• Elaboration et caractérisation de l’aluminate de Zinc nanocristallin (pur et dopé) synthétisé par la méthode Sol-Gel. 

  Filali, Hichem; Karaali, A. (Université Frères Mentouri - Constantine 1, 2022-10-27)

  Samples of pure zinc aluminates (ZnAl2O4) and doped ZnAl2O4 with both lead (Pb2+) at different ratios (0, 0.5, 1, 1.5, 2, and 2.5% mol) and a constant amount of lanthanum (La3+: 1% mol), were prepared by the citrate ...
• 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 ...
• Theoretical and phenomenological study of non-standard cosmology. 

  Mohadi, Aicha; Aissaoui, Habib; Boussahel, Mounir (Université Frères Mentouri - Constantine 1, 2022-07-07)

  In this thesis, we studied two different phenomena. In the first part, the accelerated expansion of the universe without introducing the concept of dark energy was examined. We studied it in the FRW metric with perfect ...
• Élaboration et caractérisation des siliciures de terres rares et de métaux de transition. 

  Fiad, Hadda; Ayache, Rachid; Bouabellou, Abderaheman (Université Frères Mentouri - Constantine 1, 2022-07-06)

  The present work deals with the elaboration and characterization of nanometric thin layers of binary and ternary transition metals and rare earth silicides. The binary system samples were obtained by implantation of ...
• 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 ...
• 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 ...
• 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) ...
• 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 ...
• Sur les enductions anti-decharge des cables moyenne-tension. 

  Moussali, Georges; Caillon, M. (Univ.des Sciences et Techniques du Languedoc, 1977-07-05)

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