Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu

Afișează articolele 335-354 of 1845

    • Correlative Estimations in Using of Effective Configurations for Vibroinsulation Elastomeric Elements 

      Potîrniche, Aurora; Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2015)
      This paper deals with practical insulation devices, systems to provide the tradeoff between the contact with earth (in order to resist to gravitation) and the separation from earth (in order to withstand the earthquake). ...

    • Corrosion Behavior of 1050 and 3003 Aluminum Alloys Used in Naval Industry 

      Dumitrașcu, Valentin Marian; Staicu, Camelia; Benea, Lidia (Universitatea "Dunărea de Jos" din Galați, 2016)
      The most important requests for new materials used in marine aggressive corrosion environment are the corrosion resistance and the susceptibility to localized and pitting corrosion. The corrosion behavior of 1050 and ...

    • Corrosion Behavior of Ni-P Coated Steel Strips 

      Istrate, Gina Genoveva; Radu, Tamara (Universitatea "Dunărea de Jos" din Galați, 2015)
      In addition to high hardness, Ni-P coatings obtained by the electroless method are widely used due to their high corrosion resistance. The corrosion resistance depends on the content of phosphorus in the coating. Various ...

    • Corrosion Behavior of Some Materials in 0.5 M Ammonium hydroxide Solution 

      Istrate, Gina; Potecașu, Florentina; Bașliu, Vasile (Universitatea "Dunărea de Jos" din Galați, 2013)
      The present work has the purpose of studying metallographic aspects and corrosion resistance of three materials used in ammonia stripping plants. The corrosion process was evaluated by gravimetric tests and potentiodynamic ...

    • Corrosion Behavior of Zinc Alloy Layers 

      Radu, Tamara; Ciocan, Anisoara; Istrate, Gina Genoveva (Universitatea "Dunărea de Jos" din Galați, 2014)
      The alloying of zinc with some additional elements in specific quantities could be reliably used in the hot-dip coating process. These elements conferr substantially improved performance to the end-product specially by ...

    • Corrosion Behaviour and Biocompatibility of 316 Stainless Steel as Biomaterial in Physiological Environment 

      Toderașcu, Georgeta; Dumitrașcu, Valentin; Benea, Lidia; Chiriac, Alexandru (Universitatea "Dunărea de Jos" din Galați, 2015)
      Although stainless steel is a material widely used for biomedical applications, its surface properties for long term application are still a serious concern. 316L stainless steel (SS 316L) is a material commonly used in ...

    • Corrosion Behaviour of Tombac Used in Cult Objects Manufacturing 

      Hagioglu, P.; Gheorghieș, c.; Cantaragiu, A.M.; Boiciuc, R.; Țigău, N. (Universitatea "Dunărea de Jos" din Galați, 2009)
      Corrosion of metals and metallic alloys is due to their thermodynamic instability in relation to their oxidation form. Corrosion tests performed in this work simulate the exposure conditions in different environments of ...

    • Corrosion of Bronze Art Objects and Methods of Restoration 

      Croitoru, Gheorghe; Rusu, Ion (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper presents a study of the corrosive state of sculptures and art objects made from copper and bronze, the equipment used to detect and study defects and the methods and solutions for restoring the art object ...

    • Corrosion of Composite Ferro-Niobium Layers in Cobalt Matrix 

      Balint, Lucica; Radu, Tamara; Balint, Simion Ioan (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      The ferro-niobium composite layers in cobalt matrix were obtained by cathode depositing from electrolyte solutions on steel base. The electrolyte included in its composition cobalt sulphate and cobalt chloride, boric ...

    • Corrosion Resistance of the Composition Materials System (Cu-Al)-Mo, Obtained by the EB-PVD Method 

      Grechanyuk, V.; Artyuh, Y. (Universitatea "Dunărea de Jos" din Galați, 2005)
      For development of new composition materials for the electric contacts, which would differ by high electric conductivity, mechanical properties, corrosive and erosion resistance in conditions of high temperature’s ...

    • Corrosion Resistance of Zinc Coated Steel in sea Water Environment 

      Diaconu, Adrian; Solomon, Cătălin; Benea, Lidia; Dumitrașcu, Valentin; Mardare, Laurențiu (Universitatea "Dunărea de Jos din Galați, 2015)
      The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with ...

    • The Cost of Economic Growth in Turkey: Unavoidable Increase in Current Deficit 

      Ayvaz Güven, Emine Türkan (Universitatea "Dunărea de Jos” din Galați, 2016)
      In this study, the relationship between economic growth and current deficit is analyzed for Turkish economy with the annual data covering the period 1990-2015. Two variables; one is gross domestic product and the other ...

    • The Cost of Medical Services per Patient and the Efficiency of Hospital Care Activity – an Insight from the Romanian Hospitals 

      Isai, Violeta; Radu, Riana Iren (Universitatea "Dunărea de Jos” din Galați, 2016)
      The cost of medical services is a concept which cannot be overlooked from the managerial strategy of hospitals, given the fact that it reflects the expenses incurred in order to make the medical act possible. It adds up ...

    • Cost Optimazation at the Worm Cutter Splinting 

      Micu, Adrian; Simionescu, Cristian-Silviu; Daşchievici, Luiza (Universitatea "Dunărea de Jos" din Galaţi, 2006)
      In order to get goods at the worm cutter splinting, an important method is to reduce the energetical charging and the cinematic unevennesses. It is explain that the costs are important to get a good price at the splinting ...

    • Cost-benefit Analysis for Modernization the Agricultural Working Roads 

      Covrig, Andrei C. (Editura Europlus Galaţi, 2010-01)
      To achieve this CBA we use a series of specific steps and process documentation and references provided by the guide in preparation for submission of projects CBA as 125/FEADR/2010. The content of the cost-benefit analysis ...

    • Counting Minimum Cost Bounded Degree Subtrees in Graphs with Small 2-Vertex-Connected Components 

      Andreica, Mugurel Ionuţ ("Dunarea de Jos" University of Galati, 2013)
      In this paper we present new algorithms for counting minimum cost bounded degree subtrees in connected graphs in which the 2-vertex-connected (biconnected) components have small sizes. The 2-vertex-connected components and ...

    • Creating of the Primitive Shapes Using Autocad 

      Haraga, Georgeta; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2009)
      AutoCAD is one of the most popular graphics programs that was created for the production of technical drawings in the 2d and 3d with a high precision. In this paper we have presented the basic primitives which can be ...

    • Creating of the Primitive Shapes Using Autocad 

      Haraga, Georgeta; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2009)
      AutoCAD is one of the most popular graphics programs that was created for the production of technical drawings in the 2d and 3d with a high precision. In this paper we have presented the basic primitives which can be ...

    • The Crisis Impact on the Labour Market 

      Toma, Simona Valeria; Șarpe, Daniela (Editura Europlus Galaţi, 2010-06)
      The aim of this paper is to discuss the impact of the current global economic crisis on the labour market, including the risk that the recession will be followed by a jobless recovery that contributes to a lost generation ...

    • Criterion of Transition in the Fretting Phenomenon Based on the Variabile Coefficient of Friction 

      Ghimiși, Ștefan Sorinel (Universitatea ”Dunărea de Jos” din Galați, 2006)
      Fretting is now fully identified as a small amplitude oscillatory motion which induces a harmonic tangential force between two surfaces in contact. It is related to three main processes, i.e. fretting-wear, fretting-fatigue ...