Afișează articolele 1505-1524 of 1845

    • A Student Model in a Multi-Agent Intelligent System 

      Novac – Ududec, Cornelia; Birla, Rodica ("Dunarea de Jos" University of Galati, 2007)
      The paper presents an intelligent tutoring system which provides a Student Model using the “overlay method”. The system’s tasks are distributed among the intelligent agents (software agents), each having clearly specified ...
    • Studies About Electrochemical Plating with Zinc-Nickel Alloys 

      Gutt, Gheorghe; Vasilache, Violeta; Poroch-Serițan, Maria; Vasilache, Traian (Universitatea "Dunărea de Jos" din Galați, 2007)
      The electrochemical deposition of zinc and combinations with elements of the 8th group of the Periodic System (nickel, cobalt, iron) have good properties for anticorrosive protection, compare with pure zinc. For steel ...
    • Studies and Research Obtaining Bronze Filters Using Powder Metallurgy Methods 

      Boiciuc, Simona; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2015)
      The article presents how to obtain porous bronze products using copper - based powder by powder metallurgy methods. The formation of tablets was done by free pouring the spherical powder into the mould, followed by their ...
    • Studies and Research on Pipe Networks Water Losses 

      Chirică, Ștefania; Luca, Mihail (Universitatea "Dunărea de Jos" din Galați, 2017)
      The issue of water losses in pipe networks (transmission mains, conveyance and distribution pipelines) is one of the major problems encountered in water supply systems management. The losses have reached very high values, ...
    • Studies and Research on the Production of TiO2 and TiN thin Film by Assisted Physical Vapor Deposition Magnetron Process 

      Boiciuc, Simona; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2017)
      The experimental research carried out in this paper aims at obtaining thin films of TiO2 and TiN and at characterizing them in terms of morphology, structure, transparency and electrical properties. The films were obtained ...
    • Studies and Research on Treatment of Titanium Alloys 

      Dima, Ovidiu; Alexandru, Petrică; Gurău, Gheorghe; Vasilescu, Vlad Gabriel; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2014)
      Titanium and its alloys have an extended use due to special properties. The paper highlights the TiZr alloy intended to manufacture prostheses, the influence of plastic deformation on the properties and structure. Applied ...
    • Studies and Researches Regarding the Obtaining and Characterization of Composite Nickel Coatings-Ni/Al2O3, Ni/Kaolin Electrochemically Produced 

      Boiciuc, Simona; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2016)
      This study presents the composite nickel coatings electrochemically obtained using as disperse phases Al2O3 particles and kaolin. There were used Watts electrolytes, with a pH = 4, current density of 4 A/dm2, a concentration ...
    • Studies Concerning Energetic Consumption of Some Heating Equipments with Resistors 

      Minea, Alina; Carabet, Roxana (Universitatea "Dunărea de Jos" din Galați, 2007)
      In order to increase the resistance of aluminium alloys a complex heat treatment is usually performed. Therefore, we must consider the reaction time between aluminium alloys and furnace atmosphera. These atmospheres ...
    • Studies on the Effects of Olive Oil Oxidation 

      Șolea, Liviu; Crețu, Romică (Universitatea "Dunarea de Jos" din Galați, 2013)
      The aim of this study is the viscosity’s evolution depending on the temperature and the shear rate and the analysis of the transmittance spectra of the oxidized olive oil. Oxidation of olive oil is a process that leads ...
    • Studies Regarding Nickel Electrodeposition from Watts bath with Addition of Polyvinylpyrrolidone and Sodium Saccharine 

      Vasilache, Violeta; Gutt, Sonia; Gutt, Georg; Sandu, Ion; Vasilache, Traian; Sandu, Victor Andrei (Universitatea "Dunarea de Jos" din Galați, 2009)
      This paper is based on some studies about the influence of polyvinylpyrrolidone (PVP) and sodium saccharine as far as concern their influence on the nickel electroplating processes from Watts bath. PVP is a wetting ...
    • Studies Regarding the Cooling of the Rolled Pieces With Atomizing Water 

      Ciurea, Aurel; Bordei, Marian; Ciurea, Aurel; Bordei, Marian; Dragomir, Ștefan (Universitatea "Dunărea de Jos" din Galați, 2006)
      The diversity of metallurgical materials and processes imposes a large scale of cooling speeds. The classical cooling mediums restrict the scale of the cooling speeds, reason for which nonconventional alternatives were ...
    • Studies Regarding the Influence of Carbon Content on the Tribological Behaviour of Gas-Carbu-Sintering Steels 

      Ghercioiu, Jeni; Nicolicescu, Claudiu; Ștefan, Iulian; Trotea, Mario (UDJG, 2011)
      The paper presents the experimental research on the tribological behavior of sintered steels obtained by carburizing the iron powder with different concentrations of graphite (Gr). For the experimental research were prepared ...
    • Studies Regarding the properties Modification of AISI 310S Steel 

      Achiței, Dragoș-Cristian; Cimpoeșu, Ramona; Perju, Manuela-Cristina; Cimpoeșu, Nicanor; Țugui, Andrei-Cătălin (Universitatea "Dunărea de Jos" din Galați, 2017)
      The paper presents an analysis of classical heat treatments, which can be applied to AISI310S steel samples. The influence of these heat treatments was highlighted by micro-hardness measurements – Vickers method, and ...
    • Study about Dynamic Behavior of Suspended Sieve to Machine of Sorted Self-Propelled KT 45/18/13 

      Axinti, Gavril; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2006)
      In his work studied machine of sorted self-propelled KT 45/18/13. This is a made in product brand name Romania S. C. RALLY-BM. Com. Srl and is used-up for the assortment through material vibrations of grain miscellaneous ...
    • 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 Body Posture on Human Comfort Under the Influence of Whole-Body Vibrations for the Rail Passengers 

      Picu, Ana (Universitatea "Dunărea de Jos" din Galați, 2010)
      When traveling by train, passengers are exposed to vibration. A well designed seat will attenuate the vibration path to the person in the frequency region where it is the most perceptible, between 3 and 10 Hz. This paper ...
    • 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 ...