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استعرض Physique حسب تاريخ النشر 
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  • استعرض Physique حسب تاريخ النشر
  •   الرئيسية
  • Conférences, Colloques, Séminaires, Symposiums
  • Physique
  • استعرض Physique حسب تاريخ النشر
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استعرض Physique تاريخ النشر

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الآن تُعرض المواد 1 -- 20 من 473

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    • مصغرات

      Innovative Technology Localized Ion Plasma Sputtering 

      مؤلف غير معروف (National Academy of Sciences of Ukraine, ISM – V.Bakul Institute for Superhard Materials, 2011-03)
    • مصغرات

      Direct Power Control of a PMSG Dedicated to the Conversion of Wind Power Off-Grid 

      Harrouz, A; Ben Atiallah, A; Harrouz, O (Université des Frères Mentouri Constantine, 2012-12-16)
      This paper presents a full model of generation system power from wind energy. The modelled system consists of a rectifying control connected by the DPC to the PMSM which is driven by a turbine vertical axis wind type ...
    • مصغرات

      Numerical Prediction of a Turbulent Separated Flow Using a CFD Code 

      Boukhadia, Karima; Bouzidane, Ahmed; Hammou, Mahmoud (Université des Frères Mentouri Constantine, 2012-12-16)
      In the present study, the subsonic flow in an asymmetrical diffuser was simulated numerically using code CFX 11.0 and its generator of grid ICEM CFD. Two models of turbulence were tested: K- ε and K- ω SST. The results ...
    • مصغرات

      Development of a Spherical Solar Collector with a cylindrical receiver 

      MAHDI, Khaled; BELLEL, Nadir (Université des Frères Mentouri Constantine, 2012-12-16)
      Solar energy can be used for substitution of the depleting fossil fuels in thermal applications and electricity generation through thermal route. For medium and high temperature applications, a system for collecting solar ...
    • مصغرات

      LA LUTTE CONTRE LE CHANGEMENT CLIMATIQUE: LE PROTOCOLE DE KYOTO OU COMMET SAUVER LA PLANETE 

      KERDOUN, Azzouz (Université des Frères Mentouri Constantine, 2012-12-31)
      Le bilan du protocole de Kyoto en termes de réductions d’émissions de GES reste mitigé - L’absence de participation des Etats Unis a été un coup dur porté au protocole - La stabilisation annoncée des émissions des pays ...
    • مصغرات

      The effect of porous media thickness and the air velocity inlet on the temperature distribution inside a solar tower volumetric receiver 

      Mammar, Mohamed; Hamidat, Abderrahmane (Université des Frères Mentouri Constantine, 2013-02-16)
      In order to investigate the steady heat transfer characteristics of a porous media solar tower receiver, this paper applies the steady heat and mass transfer models of the porous media to solar receivers, chooses the ...
    • مصغرات

      Silicon Nanostructures Formation by V2O5 and HF Stain Etching 

      Ayat, M; Gabouze, N; Boarino, L; Guedouar, B (Université des Frères Mentouri Constantine, 2013-02-17)
      In this work we report the fabrication of silicon pillar array by a simple chemical etching of silicon in vanadium oxide/fluorhydric acid solution. Different etching parameters including the solution concentration, temperature ...
    • مصغرات

      THEORETICAL ANALYSIS OF GRADED BAND GAP MULTIJUNCTION SOLAR CELLS 

      Ben Slimane, H; Helmaoui, A (Université des Frères Mentouri Constantine, 2013-02-17)
      In this work some results of theoretical analysis on the selection of optimum band gap semiconductor absorber graded band gaps for application in multijunction solar cells are presented. A detailed theoretical analysis ...
    • مصغرات

      Comparative study of a preheating and non-preheating solar-still production 

      HALLOUFI, O; KAABI, A (Université des Frères Mentouri Constantine, 2013-02-17)
      Over 70% of the planetary surface is covered by water from whish 97.5% is salted water and thus is improper for human, in industrial and agriculture use. Soft water represents only, 2% of existing water. Solar desalination ...
    • مصغرات

      The behaviour of CdTe nuclear detector subjected under pressure conditions 

      Saim, Asmaa; Tebboune, Abdelghani; Berkok, Houria; Belbachir, A.H (Université des Frères Mentouri Constantine, 2013-02-17)
      In this work, we have conducted a theoretical study on the nano-scale at the base of the simulation of phase transitions and the corresponding pressures as well as the volume discounts, the rigidity and the stability of ...
    • مصغرات

      Control Of a Doubly fed Induction Machine for a Wind Application 

      OURICI, Amel (Université des Frères Mentouri Constantine, 2013-02-17)
      The wind energy systems using a doubly-fed induction generator (DFIG) have some advantages due to variable speed operation and four quadrants active and reactive power capabilities compared with fixed speed induction. In ...
    • مصغرات

      MANAGEMENT TRAITS OF THE PROJECTS CONCERNING POWER GENERATION AND WASTE RECOVERY 

      Prykhod’ko, I; Shpylyovyj, VC; Shpylyova, T; Zakharenko, M (Université des Frères Mentouri Constantine, 2013-02-17)
      Nowadays a large number of motivations and a growing interest exist for the development of renewable sources of energy, like energy systems based on biomass. Organic waste recovery as a component of the environmental ...
    • مصغرات

      PHOTOVOLTAIC ARRAY MODELING AND MPPT USING ARTIFICIAL NEURAL NETWORK 

      Hadjab, M; Djellid, A; Bennacer, H (Université des Frères Mentouri Constantine, 2013-02-17)
      The good operation of a photovoltaic system depends on weather conditions such as illumination and temperature, because for example in a mobile station powered by a photovoltaic source, power supplied by the photovoltaic ...
    • مصغرات

      SIMULATION OF THE CARBON NANOTUBES IN THE TERAHERTZ FREQUENCY 

      Dridi, Chahrazed; Zaabat, Mourad; Boudine, Azeddine (Université des Frères Mentouri Constantine, 2013-02-17)
      Since little is known isolate a sheet of carbon-graphite one atom thick. This crystal is two-dimensional graphene has remarkable electronic transport properties, which are neither those of a metal nor those of a semiconductor. ...
    • مصغرات

      MORPHOLOGY, STRUCTURAL AND OPTICAL STUDY OF NANOCRYSTALLINE ZNS THIN FILMS PREPARED BY CBD AND SILAR METHODS 

      DJELLOUL, A; ADNANE, M; HAMZAOUI, S; CHAUMONT, D (Université des Frères Mentouri Constantine, 2013-02-17)
      The Zinc sulfide belongs to group II-VI compound semiconductor materials. ZnS is a very important semiconductor material with a large optical gap (> 3.5 eV), a large utility in thin-film devices, such as photoluminescent ...
    • مصغرات

      Microstructural Study of Some Kaolin by Warren-Averbach and Williamson-Hall Methods 

      Lakel, A.; Bouyoucef, A; Labii , T; Guechi, N; Zerrouk, I; Zahaf, A; Boubertakh, A; Hamamda, S (Université des Frères Mentouri Constantine, 2013-02-17)
      In this work, we have studied two kaolins from different origins. The first one denoted M1 consists of two main phases (kaolinite and halloysite) and the other M2 whose main constituents are kaolinite, quartz and mica. ...
    • مصغرات

      Performance of maximum power point tracking MPPT controller in photovoltaic system 

      Meflah, Aissa; Rahmoun, Khadidja (Université des Frères Mentouri Constantine, 2013-02-17)
      Modeling and simulation of a photovoltaic system for improving and optimizing the performance of its control, by the method of continued maximum power point tracking (MPPT) is presented in this work. For this characterization ...
    • مصغرات

      Numerical and Theoretical Study of a Solar Collector 

      Saadi, S; Chaker, A; Karroute, Salima (Université des Frères Mentouri Constantine, 2013-02-17)
      In this paper, we will study the flat plat collectors because they have a great importance in the solar applications. This work will be started by a theoretical study of the different components of the collector, its ...
    • مصغرات

      NEW HYBRID NANOCARRIERS BASED ON CHITOSAN, CYCLODEXTRINS AND HYDROXYAPATITE FOR SUSTAINED DRUG DELIVERY OF POORLY DRUGS USED ON THE TREATMENT OF CANCERS BY PHOTODYNAMIC THERAPY (PDT). 

      BenMihoub, A; Bal, Y (Université des Frères Mentouri Constantine, 2013-02-17)
      Encapsulation of hydrophobic porphyrin derivative as photosensitizers (PS) into different forms of nanoparticles (NP) is of a concern in this study for drug delivery and targeting in cancer photodynamic therapy (PDT) ...
    • مصغرات

      INFLUENCE OF PHYSICAL PARAMETERS ON THE TRANSCONDUCTANCE OF CHANNEL FOR THE COMPONENT SUBMICRON 

      Draidi, M; Zaabat, M; Boudine, A (Université des Frères Mentouri Constantine, 2013-02-17)
      The component elements of the field effect transistors can be grouped into two distinct categories. Extrinsic elements representing different access structures such as parasitic resistances Rs and Rd . Among the intrinsic ...

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