Afișează articolele 430-449 of 552

    • Study about the Perception of Producers from Romania Regarding the Ecolabel 

      Temea, Antonina; Panaite-Lehăduș, Mirela; Bârsan, Narcis; Tomozei, Claudia; Nedeff, Valentin (Universitatea "Dunărea de Jos" din Galați, 2017)
      The purpose of this paper is to obtain information about the Romanian producers’ perspective on some key elements regarding the environmental aspects of their company, data on the certification SR EN ISO 14001: 2015 and ...
    • Study and Researche Regarding Binaring Sistem with TIOBIS - β – NAFTOL 

      Mitoșeriu, Olga; Constantinescu, Stela; Orac, Lucica (Universitatea "Dunărea de Jos" din Galați, 2007)
      This paper presents the results for contribution of determining the manganese from waters and steel. Manganese, due to its properties, cannot be found but in acid waters and usually associated with iron. In small amounts, ...
    • Study for Evaluation and Optimization of Mineral Composition and Structure of Iron Ore Granulation in Sintering Process 

      Mogoş, Paul Petruş; Constantin, Nicolae; Ittu, Sînziana; Anca, Denisa-Elena; Harcea, Lavinia-Marilena (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      The characterization of iron ore particles is of vital importance for the study of mineral composition. The specific surface area of iron ore particles can be measured by laser diffraction, and mathematical models (based ...
    • A study of Electric Properties of Fiber Fabric Based Filled Epoxy Composites 

      Andrei, Gabriel; Cîrciumaru, Adrian; Bîrsan, Iulian; Dima, Dumitru (Universitatea "Dunărea de Jos" din Galați, 2007)
      Electric and magnetic properties of laminate carbon fiber fabric based epoxy composites are investigated through experimental techniques. Various concentrations of powder fillers were used in order to change the basic ...
    • A Study of Electromagnetic properties of Fiber Fabric Based Filled Epoxy Composites 

      Cîrciumaru, Adrian; Bîrsan, Iulian; Andrei, Gabriel; Dima, Dumitru (Universitatea "Dunărea de Jos" din Galați, 2007)
      Electric and magnetic properties of laminate carbon fiber fabric based epoxy composites are investigated through experimental techniques. Various concentrations of powder fillers were used in order to change the basic ...
    • 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 ...
    • 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 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 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 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 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 ...
    • Study on the Influence of the Chemical Composition in the Thermomechanical Processing of the Steel 

      Vasilescu, Elisabeta; Vasilescu, Ioan; Doniga, Ana; Neacșu, Marian (Univesitatea "Dunărea de Jos" din Galați, 2009)
      This paper presents the results of industrial scale researches on the influence of the chemical composition on the characteristics of high yield point plates of wieldable fine grain steels. The comparative study of the ...
    • Study on the Rheology of Corn Oil Subjected to Forced Oxidation 

      Şolea, Liviu Cătălin; Creţu, Romică (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      This paper reflects a study on the rheology of corn oil in unoxidized state, subjected to forced oxidation treatment. Using the Rheotest2 system, the variation of dynamic viscosity with temperature and shear rate, using ...
    • Study on the Soil chemical Pollution in the Area of the Residual Bauxite Lake "Mineri"-Tulcea 

      Tudor, Beatrice; Ciocan, Anișoara (Universitatea "Dunărea de Jos" din Galați, 2017)
      The paper presents a study on the impact of chemical pollution of the soil, from residual bauxite lake, from "Mineri", in the areal of Tulcea. Soil samples were taken from the lake, and from the immediate area of the ...
    • Study on the Specific Effects of Corrosion processes on Ancient Bronze Artefacts 

      Sandu, Ion; Quaranta, Marta; Bejinariu, Costică; Sandu, Ioan Gabriel; Luca, Dorin; Sandu, Andrei Victor (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the cases of the corrosion processes which take place on starting from the usage period when the primary patina is being formed and when the secondary patina starts, than continuing with the archaeological ...