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Afișează articolele 2597-2616 of 2993

    • Study of Heat Treatment Influence on Aluminum-Based Alloy ATN-Si10Cu4 

      Vasilescu, Elisabeta; Boiciuc, Simona (Universitatea "Dunărea de Jos" din Galați, 2007)
      This work presents the experimental results concerning the behavior on heat treatment of on aluminum based alloy. The laboratory level experiments achieved on samples of ATN-Si10Cu4 (4145 series) alloy illustrate the ...

    • A Study of Key Management for Encrypted Storage in Storage Area Network 

      Lu, Hai Xin (Universitas Galatiensis, 2009-01)
      As secure storage becomes more pervasive throughout the enterprise, the focus quickly moves from implementing encrypting storage devices to establishing effective and secure key management policies. Without the proper key ...

    • Study of Noise Produced by Elevators Inside Buildings 

      Picu, Mihaela; Picu, Ana Alexandra (Universitatea "Dunărea de Jos" din Galați, 2007)
      This paper studies the way in which elevators movement produces work perturbing noises. The studies were made on two types of buildings: a modern building, with noiseless elevators and another one with old elevators. ...

    • Study of Severe Plastic Deformation by Torsion Test 

      Gurău, Carmela; Gurău, Gheorghe; Cănănău, Nicolae (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      High Torsion Pressure (HPT) is an advanced tool for inducing very significant grain refinement in a wide range of metals. In this research were studied parameters of severe plastic deformation using the torsion test. The ...

    • Study of the biotechnological conditions for polypyrrole synthesis, by in situ polymerization with selected microorganisms 

      Apetrei, Roxana-Mihaela (Universitatea "Dunărea de Jos" din Galați, 2018)
      Polimerii conductori (CPs) reprezintă o clasă importantă de materiale care prezintă proprietăți polimerice convenționale precum densitate scăzută, flexibilitate și procesabilitate alături de conductivitate electrică ...

    • Study of the Inclusions from the Oriented Grains Silicon Steels and Their Influence on the Texture 

      Doniga, Ana; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper presents experimental results concerning the inhibitor phases generation by microalloying elements utilization. It was made experiments on three silicon steel charges. It was observed that the inhibitor phases ...

    • Study of the internal Resonance of a two-Degree-of-Freedom Non-Linear Dynamic System 

      Dragomirescu, Cristian; Craifăleanu, Andrei (Universitatea "Dunărea de Jos" din Galați, 2006)
      The paper analyses a two- degree- of- freedom dynamic system, by taking into account its non- linearity. The case of the internal resonance is studied and, by local analysis, Hopf bifurcations are emphasized. Periodic ...

    • Study of The Palette-Obstacle Impact for a Concrete Mixer 

      Debeleac, Carmen (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      In this paper the numerical simulation of the concrete mixer was developed in SimMechanics, a toolbox for Matlab environment. The virtual model for mixing equipment simulation has been computed to estimate the increase ...

    • Study of the RV52 Steel Plates Properties After Thermic Treatment 

      Vlad, Maria; Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2009)
      The thermal treatment of RV52 steel plates determines high mechanical properties such as: strength, wear resistance and tenacity. The normalized plate samples were studied to determine the effect of the tension release ...

    • Study of the Sintering Process of Iron Powders Coated with Nano-Hydrocarbon and the Resulting Microstructure at Temperatures up to 1200°C 

      Georgiev, Jordan; Anestiev, Lubomir; Bendereva, Ekaterina; Lukarski, Yavor; Marcela, Selecka; Gavrilova, Rositsa (Universitatea "Dunărea de Jos" din Galați, 2009)
      The objective of the research is development and study of a new ecologically friendly and technologically advanced method for introduction of carbon during sintering of low alloyed iron powders ASC 100.29. The method is ...

    • Study of the Thermodynamic Regime at the Continuous Casting of Steel 

      Ivănescu, Alexandru; Ivănescu, Lilica; Cireșica, Cocindau; Munteanu, Viorel (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the evolution of the heat exchange coefficient along the path of the continuous casting unit, as a function of the cooling water flow rate and the path length. The optimization of this thermodynamic ...

    • Study of the Thermomechanical Treatment Post-Deformation Maintaining Time Influence on the Mechanical Characteristics of the Microalloyed Steels 

      Vasilescu, Elisabeta; Neacșu, Marian (Universitatea "Dunărea de Jos" din Galați, 2007)
      This paper-work shows the results of the laboratory researches of the postdeformation maintaining time influence on the physical-mechanical characteristics of the flat microalloyed steels, at high temperature thermomechanical ...

    • Study of Tribocorrosion Processes by Electrochemical Techniques 

      Benea, Lidia; Drăgan, Viorel (Universitatea "Dunărea de Jos" din Galați, 2007)
      Tribocorrosion is defined as the chemical-electrochemical-mechanical process leading to a degradation of materials in sliding, rolling or erosion contacts immersed in a corrosive environment. That degradation results ...

    • Study of Wear Evolution for a Hydraulic Oil Using a Four Ball Tester 

      Spânu, Constantin; Rîpă, Minodora; Ciortan, Sorin (Universitatea ”Dunărea de Jos” din Galați, 2008)
      Time is crucial for the wear of materials. Time of an experiment must be long enough to obtain an observable wear but no so long to make the experiments expensive. For determining anti-wear properties of the hydraulic oils ...

    • Study of Zro2/Co-Deposition with Cobalt from Chloride Electrolyte 

      Benea, Lidia; Sorcaru, Florentina Simona (Universitatea "Dunărea de Jos" din Galați, 2009)
      The metal-matrix composites are materials in which the properties of a metallic host material are modified with addition of a second phase (ceramics) by electrodeposition process. The second phase can be hard oxides or ...

    • Study on a Seismic Isolation Method Suitable for an Architectural Monument 

      Șcheaua, Fănel; Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2012)
      The research presented in this scientific paper investigates an adaptive seismic isolation system meant to protect architectural monuments structures subjected to a variety of seismic ground motions. This scientific paper ...

    • A Study on Accounting Standards with Regards to Financial Instruments 

      Cozma Ighian, Diana (Europlus Galati, 2012-03)
      The need to establish international accounting standards with regards to financial instruments is due to their spectacular evolution on global financial markets, which took place over the last couple of decades. Thus, ...

    • Study on Intrusion Detection Systems Using Genetic Algorithm 

      Rafsanjani, Marjan Kuchaki ("Dunarea de Jos" University og Galati, 2014)
      With the extension in computer networks and appearing new attacks, seems that security is more necessary than before. Intrusion Detection System (IDS) is one of the most important methods to develop security in computer ...

    • Study on Refractory Material Used Forthe Wear Laver of the Tundish 

      Tudor, Beatrice (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      The continuous casting of steel is a modern and efficient process for the production of semi-finished products required for the other components of steel industry. In order to improve the quality of continuous cast slebs ...

    • Study on Some Copper-Molybdenum Based Composite Materials Condensed from the Vapour Phase 

      Grechanyuk, N. (Universitatea "Dunărea de Jos" din Galați, 2007)
      Design features of equipment are given for realizing high-speed process of electron beam evaporation and condensation. Peculiarities of phase composition and structure of a crystallized pool (melt) on copper base are ...