Căutare 1993 -2018 după Titlu

Afișează articolele 120-139 of 552

    • Electric and Electromagnetic Properties of Fiber Fabric Based Filled Epoxy Composites 

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

    • Electrical Properties Characterization of Vinyl ester Resin Filled with carbon Nanotubes 

      Chirița, Georgel; Andrei, Gabriel; Bîrsan, Iulian Gabriel; Dumitru, Dima; Cantaragiu, Alina (Universitatea "Dunărea de Jos" din Galați, 2015)
      In this paper the authors have done a characterization of the electrical properties of vinyl ester based nanocomposites containing different percentages of carbon nanomaterials The carbon fillers used in this study were ...

    • Electrical Properties of Ultra-Sonicated Epoxy Resin 

      Graur, Iulia; Bria, Vasile; Cîrciumaru, Adrian; Bîrsan, Iulian (Universitatea "Dunărea de Jos" din Galați, 2015)
      As ultra-sonication is a mostly used method to disperse the particles into the polymer matrix, the aim of this study is to point out the effect of epoxy’s exposure to ultra-sounds over the electrical properties, especially ...

    • Electrochemical Behavior of Zinc Layers Passivated in Phosphate Solutions 

      Radu, Tamara; Ciocan, Anişoara (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      Phosphate conversion coatings are used on the galvanized steel. By forming a thin protective film on the surface of the steels this treatment enhances corrosion resistance. This paper presents studies on phosphate ...

    • Electrochemical Corrosion of Stainless Steels in Commercially Available Soft Drinks 

      Mardare, Laurențiu; Benea, Lidia (Universitatea "Dunărea de Jos" din Galați, 2016)
      In recent years, there has been a developing trend towards the use of advanced materials in the dental replacement industry. Corrosion mechanisms of 316L Stainless Steel in electrolyte containing common household soft ...

    • Electrochemical Deposition and Sem Surface Morphology of Co and UHMWPE/Co Composite Layers 

      Benea, Lidia; Mardare-Pralea, Marinela; Cojocaru, Paula (Universitatea "Dunărea de Jos" din Galați, 2009)
      The work aims at obtaining composite coatings in cobalt matrix with dispersed phase UHMWPE (ultra high molecular weight polyethylene) and at characterizing the surface morphology analyse by SEM, the thickness of the ...

    • Electrochemical Deposition and SEM Surface morphology of Co and UHMWPE/Co Composite Layers 

      Benea, Lidia; Mardare-Pralea, Marilena; Cojocaru, Paula (Universitatea "Dunărea de Jos" din Galați, 2009)
      The work aims at obtaining composite coatings in cobalt matrix with dispersed phase UHMWPE (ultra high molecular weight polyethylene) and at characterizing the surface morphology analyse by SEM, the thickness of the ...

    • Electrochemical modifications of Titanium and Titanium Alloys Surface for biomedical Applications - A review 

      Mardare, Eliza; Benea, Lidia; Bounegru, Iulian (Universitatea 'Dunărea de Jos" din Galați, 2013)
      The field of biomaterials requires the input of knowledge from very different areas such as biology, medicine and engineering so that the implanted material in a living body to not induce any adverse impacts. The paper ...

    • Electrochemical Modifications of Titanium and Titanium Alloys Surface for Biomedical Applications-A Review 

      Mardare, Eliza; Benea, Lidia; Bounegru, Iulian (Universitatea "Dunărea de Jos" din Galați, 2013)
      The field of biomaterials requires the input of knowledge from very different areas such as biology, medicine and engineering so that the implanted material in a living body to not induce any adverse impacts. The paper ...

    • Electrodeposition and Characterization of Ni-Si Nanocomposite Coatings 

      Istrate, Gina Genoveva (2013)
      In this paper is presented morphological aspects and corrosion behaviour of composite coatings having nickel as metal matrix and silicon as dispersed phase obtained during electrodeposition process of nickel. Silicon ...

    • Electrodeposition and Characterization of Zinc-Cobalt Alloy Coatings 

      Vasilache, Violeta; Gutt, Sonia; Sandu, Ion; Gutt, Gheorghe; Vasilache, Traian (Universitatea "Dunărea de Jos" din Galați, 2010)
      Electrodeposited alloys are important in industry due to their properties which are superior to those of single metal layer. Zinc-cobalt alloys were co-deposited on gold substrate. Composition of the layers was established ...

    • Electrodeposition Obtaining and Corrosion Behaviour of Phenol Formaldehyde Resin/Zinc Composite Coatings 

      Mitoșeriu, Olga; Ciubotariu, Alina; Benea, Lidia; Ponthiaux, Pierre; Wenger, Francois (Universitatea "Dunărea de Jos" din Galați, 2008)
      The present work has the purpose of obtaining composite coatings in zinc matrix by using phenol - formaldehyde resin type NOVOLAC (RESITAL 6358/1) in the electrodeposition process of zinc. The PF resin/Zn composite ...

    • Electromagnetic Strip Mills' Driving Rollers Metallisation Advanced Technics 

      Motoiu, Petra; Dumitrescu, Daniela; Fratila, Cornel; Trusca, Dacia (Universitatea "Dunărea de Jos" din Galați, 2007)
      The continuous increase of the applications of thermal sprayed coatings together with the demand for layers having always more and more enhanced performances and properties stimulates the research activity toward ...

    • Elements of Drawing Theory and Technology of the High Mechanical Strength Wires in Ultrasonic Field 

      Iliescu, Viorel; Susan, Mihai; Ștefănică, Gabriela Roxana; Achiței, Dragoș; Landkrammer, Brian Tudor (Universitatea "Dunărea de Jos" din Galați, 2009)
      In the paper are presented elements of drawing theory and technology of the high mechanical strength wires, when the auger die is located in the maximum of the waves oscillation and it is activated on drawing direction. ...

    • Emissions of Hydrochloric Acid Vapors Generated by Pickling Process from Cold Rolling Mill of Steel Strips 

      Ciocan, Anișoara (Universitatea "Dunărea de Jos"din Galați, 2015)
      The most important pollutant emitted in the sector of pickling within a cold strip mill in an integrated steel mill are the hydrochloric acid vapors. This work presents the chemical reactions between the hydrochloric ...

    • Emphasizing Physical Aspects and Applications of Graphenes 

      Baștiurea, Marian; Rodeanu, Magdalena Silvia; Dima, Dumitru (Universitatea "Dunărea de Jos" din Galați, 2018)
      Graphenes have attracted much attention due to their properties and possible applications. This approach is dedicated to shortly describe the problems related to this promising element. Some aspects concerning physical ...

    • Emphasizing the Toxicity of Heavy Metal ions on Plants: Monitoring with an Amino Acids Assay 

      Pintilie, Olga; Zaharia, Marius; Tudorachi, Lucia; Băncilă, Sabina; Drochioiu, Gabi; Sandu, Ion (Universitatea "Dunărea de Jos" din Galați, 2014)
      In order to emphasize modifications on living organisms resulted from interaction with heavy metals, we applied a simple, sensitive, quick, inexpensive and reproducible method. It evaluates modifications through determining ...

    • Energetic and Exergetic Efficiencies of Biomass Gasification Processes 

      Tasma, Daniela; Panait, Tănase; Teodoru, Alexandrina; Rolea, Georgiana G. (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      A promising way to use biomass for the production of heat, electricity and other biofuels is through biomass gasification. In the gasification process, the chemical energy of the solid fuel is converted into the chemical ...

    • Energy Consumption Assessment in the Water Treatment Process, Bacau City Case Study 

      Fabian, Florina; Nedeff, Valentin; Bârsan, Narcis; Moșneguțu, Emilian (Universitatea "Dunărea de Jos" din Galați, 2017)
      In the national and international context, two general concerns revolve around water treatment processes. First of all, we talk about energy efficiency and environmental compatibility in the water treatment plants that ...

    • Energy Disequilibrium Effects on Heat Treatment Equipment 

      Cojocaru, Mihai; Drugă, Leontin; Tudose, Florică; Dragomir, Daniela; Toader, Gheorghe (Universitate "Dunărea de Jos" din Galați, 2016)
      The differences found between heat fluxes in different areas of the heat treatment equipment workspace, due to energy disequilibrium or due to improper positioning of loading, can cause non-uniform temperatures and heat ...