Căutare 1993 -2018 după Data publicării

Afișează articolele 321-340 of 552

    • The Pre-Biblical Metallurgical ART on the Biblical Territory 

      Moisa, Strul; Wenkert, Rodica (Universitatea "Dunărea de Jos" din Galați, 2013)
      The Old Testament describes in detail the metallurgical achievements, both in the period before the conquest and colonization of the promised land (mostly related to the manufacturing of the Tabernacle, in this sense, ...

    • 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 ...

    • Structure-Property Correlation of Composite Materials Based on Cu-Mo obtained by PVD Method 

      Orac, Lucica; Grechanyuc, Vera; Mitoșeriu, Olga; Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2013)
      The paper describes reviews referring to determination of working parameters of the development processes of composites in copper matrix, by vapour-phase deposition method. The molybdenum was used as complementary phase. ...

    • 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 ...

    • Methods of Protection of National Architecture Monuments 

      Croitoru, Gh.; Colesnic, Ig. (Universitatea "Dunărea de Jos" din Galați, 2013)
      The paper discusses the problem of monuments conservation in terms of technical implementation and based on the importance of conservation of historical content, and it helps to skillfully handle the complicated untypical ...

    • Regeneration of Used Engine Lubrication Oil by Solvent Extraction. The Solvent Influence on Oil Ratio 

      Sterpu, Ancaelena Eliza; Dumitru, Anca Iuliana; Neagu, Anișoara Arleziana (Universitatea "Dunărea de Jos" din Galați, 2013)
      Huge amounts of used lubricating oils from automotive sources are disposed of as a harmful waste into the environment. For this reason, means to recover and reuse these wastes need to be found. Problems arising from acid ...

    • Automative Powertrain Management 

      Popa, Florin; Rakosi, Edward; Manolache, Gheorghe; Rakosi, Victor (Universitatea "Dunărea de Jos" din Galați, 2013)
      Given the diversity of phenomena that occur during operation of automotive powertrain and their strong impact on the environment, this paper presents a unified approach to these problems. This is a complex pattern study, ...

    • Metallic matrix Composites with Ceramic Particles Wetting Conditions 

      Neagu, G.; Ștefănescu, Fl.; Mihai, A.; Stan, I.; Odagiu, I. (Universitatea "Dunărea de Jos" din Galați, 2013)
      The paper presents the main aspects regarding the mixtures obtained made up from aluminium melts and different kinds of ceramic particles (silicon carbide and boron carbide). Synthetically discussed are the wetting ...

    • Quality Surface Analysis for Polarized Grid Plasma Nitriding 

      Axinte, Mihai; Perju, Manuela-Cristian; Nejneru, Carmen; Hopulele, Ion; Cimpoeșu, Iulian (Universitatea "Dunărea de Jos" din Galați, 2013)
      For the study regarding the effect of the polarized grid a prototype plasma nitriding facility was used. A polarized grid was placed inside the working chamber, into the space between the anode and cathode, a negative ...

    • The Analysis of a Workplace from an Ergonomically Criterion. Case Study: Preliminary Charge 

      Vasiliu, Adrian; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper presents a practical method of analyzing a wokplace from an ergonomically criterion based on an "ergonomic analysis questionnaire", and, also, the conclusions and proposed measures in order to improve the ...

    • The behaviour of Acid Slag in the Tundish 

      Ittu, Sînziana; Mogoș, Paul Petruș (Universitatea "Dunărea de Galați, 2013)
      In the tundish, purification of steel is given by the use of an oxide powder on the steel surface. This powder perform several important functions, such as thermal insulation, protection against liquid steel surface ...

    • Fem Analysis of the Spur Gears Press-Rolling Proces 

      Marian, Ionuț; Sas-Boca, Monica; Rus, Luciana; Suciu, Ramona-Crina; Tintelecan, Marius; Noveanu, Dan; Nistor, Liviu (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper presents the FEM (finite element method) analysis of the pressingrolling process, a new method for obtaining spur gears. Using symmetries, the 3D geometrical model was created for tools and for the initial ...

    • R.N.U.R. Method of Risk Assessment Based on Ergonomic Criteria. Case Study: Crane Maintenance Electrician 

      Vasiliu, Adrian; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper presents a case study on the evaluation of a job (electrical maintenance) in AMG plant through a less used method in Romania, respectively Renault method, used especially in France. Means of work are analyzed ...

    • Prreparation and Characterisation of Alumina Template Obtained by One-Step Anodization Method 

      Gavril (Donose), M.D.; Cantaragiu, A.M.; Gheorghieș, C.; Țigău, N.; Donose, S. (Universitatea 'Dunărea de Jos" din Galați, 2013)
      The goal of this study was to obtain an alumina template (AAO) by one-step anodization method and to evaluate its optical properties correlated with the annealing temperature. AAO was obtained from two different media: ...

    • Characterization of Dental Metals and Alloys 

      Vasilescu, Elisabeta; Vasilescu, Vlad-Gabriel; Nicolau, Alexandru Mircea (Univesitatea "Dunărea de Jos" din Galați, 2013)
      Metals and alloys in dentistry have seen remarkable progress due to their biocompatibility and deepen research on the application of advanced technologies to improve surface properties by controlling interactions material ...

    • Profilometric Analysis of Worn Surface of Bronze, Iron and Iron Composite Samples, by Pin-on -Disk Method 

      Iliuță, Virgil; Ciupagea (Coteț), Gabriel Andrei; Rîpă, Minodora (Universitatea "Dunărea de Jos" din Galați, 2013)
      In this study are presented the results of profilometric analysis for the wear of bronze materials, cast iron and composite materials. These materials were tested under dry wear conditions, using "pin-on-disk" method on ...

    • Influence of Thermal Treatment on Zirconia Powder 

      Gheorghieș, Livia (Universitatea "Dunărea de Jos" din Galați, 2013)
      Zirconia powder in amorphous state was prepared by electrolytic deposition method (ELD) and then it was subjected to a thermal treatment according to a typical diagram. The structural changes in zirconia powder induced ...

    • Cellular Automata Method Studyng Recrystallization Process 

      Anăstăsoaie, Vasile; Gheorghieș, Constantin (Universitatea "Dunărea de Jos" din Galați, 2013)
      A cellular automaton is a decentralized computing model providing a platform for performing complex computation with the help of only local information. The cellular automata method describes the evolution of a ...

    • Preparation and Characterization of Tin Oxide thin Films 

      Țigau, N.; Vladu Radu, D. C.; Prodan, G.; Gheorghieș, C.; Condurache-Bota, S. (Universitatea "Dunărea de Jos" din Galați, 2013)
      Tin oxide (SnO) thin films were prepared onto glass substrates by thermal evaporation under vacuum. The substrate temperature was kept constant at 300 K during the film growth. The structural studies using transmission ...

    • Effects of Thermophysical and Mechanical Properties of the Substrate on the Normal Adhesion of Ni-Cr-Fe Coatings Deposited by Thermal Spray 

      Calinica, Daniel (Universitaea "Dunărea de Jos" din Galați, 2013)
      Thermal spray process is used to obtain high quality coatings that improve corrosion resistance, mechanical and tribological properties, in various technical applications: auto parts, turbine elements, in the naval ...