Now showing items 1-20 of 552

    • Air Quality Monitoring in Galați. Case Study 

      Balint, Lucica; Rîpă, Minodora; Balint, Simion Ioan; Niță, Petre Stelian; Năstase, Gina (Universitatea "Dunărea de Jos" din Galați, 2006)
      This paper presents information referring to the variation of aerosols concentration in a central area in Galati. For a period of time of november2005 to november 2006, there have been made correlations between aerosols ...
    • Alumina Influence on the Corrosion Resistance of Ni-PAl2O3 Composite Layers 

      Radu, Tamara (Universitate "Dunărea de Jos" din Galați, 2015)
      This paper aims to analyze the corrosion resistance of composite layers based on Ni-P matrix and disperse phase alumina of 10 μm size, present in amounts of 5, 10 and 20 g / L in the nickel plating bath. The influence ...
    • Alumina Powder Properties Obtained by Neutralization Process of Sodium Aluminate 

      Perušic, Mitar; Mićić, Vladan; Obrenović, Zoran (Universitatea "Dunarea de Jos' din Galați, 2009)
      Today, the most production of alumina is used for aluminum production [1, 2] (metallurgy alumina), minor production of alumina is used for special purpose, as fire-resistant materials, electro porcelain and etc., and ...
    • Aluminum Foams with Closed Pores Obtained by Casting Techniques 

      Geamăn, Virgil; Pop, Mihai Alin; Jiman, Vasile (Universitatea 'Dunărea de Jos" din Galați, 2012)
      Techniques for the preparation of metallic foams, including casting, powder metallurgy and metallic deposition, have been reviewed. There is a present interest in the development of materials capable of plastic deforming ...
    • An Analytical Procedure for the Prediction of the Stress-Strain State in Notches Under Multiaxial Fatigue 

      Pitatzis, Nikolas; Savaidis, Alexander; Savaidis, Georgios (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      This work presents an analytical procedure for estimating elastic-plastic stresses and strains in notched shafts subjected to synchronous non-proportional torsional and tensile cyclic loading. The specification of the ...
    • An Isothermal Model for Evaluating Stress and Strain in the Polymeric Block of the Block-on-Ring System 

      Georgescu, Constantin; Boazu, Doina; Ștefănescu, Ioan; Deleanu, Lorena (Universitatea "Dunărea de Jos" din Galați, 2012)
      This paper presents the results of simulating an isothermal frictional contact between a polymeric block and a steel ring. The model takes into account the elasto-plastic behavior of the polymeric materials and the ...
    • Analysis Frequencies of a Vibration-Type Structure Hall 

      Petrea, Ionel (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      Its main purpose was to identify natural vibration frequencies for a warehouse type structure in order to avoid resonance phenomena of the structure. The analysis is performed using the finite element analysis module of ...
    • Analysis of Factors with Considerable Action on Recycling Weee Focused on Metals Recovery 

      Ciocan, Anișoara (Universitatea "Dunărea de Jos" din Galați, 2017)
      From an economic point of view, the driving force of rapid technological development of WEEE recycling solutions is the recovery of valuable metals, until not long ago just on copper and gold. Nowadays many other metals ...
    • Analysis of Steructural Components Exiting in Steel Making Slag Sampled from Steel Making-Continuous casting Flow Sheet 

      Preda, Adriana; Ivan, Ion; Zăman, Florin (Universitatea "Dunărea de Jos" din Galați, 2007)
      Hereby paper work aims to identify and analyze the structural constituents from the steel making shop slag. Therefore, slag specimens sampled from different stages of steel making-continuous casting flow sheet in Mittal ...
    • Analysis of the Floods Effects in June 2016 in the Voronet River Hydrographic Basin 

      Luca, Mihail; Avram, Mihaela; Marcoie, Nicolae (Universitatea "Dunărea de Jos" din Galați, 2017)
      The paper presents an analysis of the hydrological risk parameters registered in the Voroneţ river basin. The studies and researches took place on the Voroneţ River after the June 2016 floods. The research has taken into ...
    • Analysis of the Performance Coefficient of the Energetical Recovery of the Domestic Waste 

      Iacob, Emanuel; Ștefănescu, Mariana-Florentina; Dobrovicescu, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2017)
      The paper critically analyses the way of defining the coefficient of performance of the systems used for the recovery of the energy of the domestic waste in cogeneration plants. The R1 criterion of performance of the ...
    • Analysis of Titanium Inteface and Tungsten Exterior layer Thickness Coated by Vibrator Electrode Method 

      Perju, Manuela Cristina; Gălușcă, Dan-Gelu; Nejneru, Carmen; Vizureanu, Petrică; Lărgeanu, Anca-Elena (Universitatea "Dunărea de Jos" din Galați, 2009)
      The goal of this paper is to create metallic materials with superior functional performances. The layer obtained by electrode vibrator method must have a very good adherence on part surface and a high chemical and thermal ...
    • Analysis Tools for Sustainable Management of Cell Phone Waste for Metals Recovery 

      Ciocan, Anișoara (Universitatea "Dunărea de Jos" din Galați, 2017)
      A modern cell phone contains over 60 metals, combined physically or chemically and in some cases covered with various types of plastics, ceramics, etc. For recycling, each metal from the device needs to be analyzed ...
    • Analytical Methods Helping the Archaeologists: Archaeometry 

      Dumitriu, Irina; Fierascu, Radu Claudiu; Ion, Rodica Mariana (Universitatea "Dunărea de Jos" din Galați, 2009)
      Very important objects of cultural heritage are material objects and objects of art produced by all communities. The physical and mechanical properties of material culture are always of prime concern to archaeometry and ...
    • Analytical Model of Forge Cutting Process with Asymmetrical Tools 

      Cănănău, Nicolae; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2005)
      In this paper is developed the theory of forge cutting process feasible with asymmetrical tools. The asymmetrical cutting process is different of the symmetrical cutting process. This type of process is necessary to ...
    • Anodization Treatment of Ti6A14V in electrolytes Containing HF 

      Stoica, Emanuela-Daniela; Fedorov, Fedor S.; Nicolae, Maria; Uhlemann, Margitta; Gebert, Annett (Universitatea "Dunărea de Jos" din Galați, 2013)
      The Ti6Al4V alloy is already well-known likely material for implant applications. As well as pure titanium, Ti6Al4V alloy possess the ability to form spontaneously a thin passive oxide layer on the surface. This oxide ...
    • Antimicrobial Activity of Ag:Zno/Chitosan Composites 

      Ibănescu (Bușilă), Mariana; Tutunaru, Dana; Mușat, Viorica (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper deals with Ag, ZnO and Ag-doped ZnO nanoparticles embedded in chitosan (CS) matrix, prepared by hydrolysis of zinc acetate in isopropanol in the presence of lithium hydroxide (LiOH) in low temperature ...
    • Antimicrobial Properties of Semiconductive Oxide Nanoparticles. From fundamental to Application 

      Ibănescu (Bușilă), Mariana; Tutunaru, Dana; Mușat, Viorica (Universitatea "Dunarea de Jos" din Galați, 2014)
      A problem of modern society is the spread of diseases worldwide. Infection control and maintaining a high level of hygiene by applying antimicrobial coatings (including medical products, packaging materials, membrane ...
    • Applications Based on Variabile Frequency Rotating Magnetic Field Electromechanical Agitator With Dual Direction 

      Țanța, Ovidiu-Magdin; Poienar, Mihaela; Nițan, Ilie; Cenușă, Mihai; Romanescu, Adrian-Neculai (Universitatea "Dunărea de Jos" din Galați, 2015)
      This paper presents a series of experimental results obtained by studying the specific effects and phenomena of the rotating magnetic field. During the research, an interesting phenomenon, specific to the variable frequency ...
    • Art Pieces Casting from Brass, Destined to Artificial Local Lightening, Used in Orthodox Cult 

      Carcea, Ioan; Diaconescu, Florin; Diaconescu, Cristian (Universitatea "Dunărea de Jos" din Galați, 2006)
      In this paper are presented some realizations from SC RANCON SRL Iasi, which regards the casting of lighting local parts from brass, used in orthodox religion. Thus is highlighted the relationship between functionality, ...