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

Afișează articolele 1041-1060 of 1845

    • New Trends in Sports Management – Reengineering 

      Mereuță, Claudiu; Mereuță, Elena ("Dunarea de Jos" University of Galati, 2009-06)
      The paper presents a new approach regarding the management in sports that is based on the principles of reengineering. Applying that modern and pure management system, called reengineering, in sports activity, we hope to ...

    • New Valences for the Financial-Accounting System 

      Lupașc, Adrian; Lupașc, Ioana; Zamfir, Cristina Gabriela ("Dunarea de Jos" University of Galati, 2009-01)
      A new approach to a company’s information systems is needed, if we take into consideration the globalization process of the economy, the intensified competition, the impose of new qualitative demands or the adjustment ...

    • A New Vision About the Dimensioning Calculus for the Frame of the Cold Mill Machine 

      Dragomir, Ștefan; Dragomir, Georgeta (Universitatea "Dunărea de Jos" din Galați, 2005)
      Dimensioning calculus for a rolling mill machine frame, using resistance classical methods allows determines the introduction of errors .For to do a better precisely of calculus we propose to use “Finish Elements Method”. ...

    • New Welding Techology-The Cold Welding on Cogged Surfaces 

      Georgescu, Bogdan; Georgescu, Valeriu (Universitatea "Dunărea de Jos" din Galați, 2007)
      Welding by cold pressing on cogged surfaces, produces the joint of a component made from an easy deformable metal by pressing on the cogged surface of a harder metal component. Different welds between aluminium (the ...

    • Ni-P Coating on Steel Support by Electroless Method 

      Radu, Tamara; Dobrea, Andreea Georgiana (Universitatea "Dunărea de Jos" din Galați, 2017)
      The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The ...

    • Nitrogen Influence on Indentation Fracture Toughness of Stainless Steel Coatings 

      Thompson, Mioara; Palaghian, Liviu (Universitatea ”Dunărea de Jos” din Galați, 2008)
      This paper studies some aspects of coatings fracture theory and the possibility of extending Lawn’s equation from Vickers indenter geometry to the Rockwell one. Indentation tests were performed on stainless steel coatings ...

    • Noise and Vibration Protective Solution Analysis for Technological Equipments 

      Anghelache, Diana (Universitatea "Dunărea de Jos" din Galați, 2010)
      This paper presents a cumulative and comparative analysis, concerning the noise and vibration pollution and protective approaches, monutoring the construction technological equipments. By means of the computer simulations, ...

    • Noise Levels in Workplaces of Cold Rolling Mill Plant 

      Tudor, Beatrice; Ciocan, Anișoara (Universitatea "Dunarea de Jos" din Galați, 2015)
      The excessive noise exposure is one of numerous physical hazards present in the steel industry. Considerable noise develops the steel strips rolling process. In this study are presented and discussed the noise levels at ...

    • Noise Study of a Naval Ship in Different Operating Modes on the Danube 

      Picu, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2014)
      In this paper are described the experimental measurements of noise transmitted to the staff from a naval ship during different operating modes on the Danube. This paper is focused on the technical aspects of the Directive ...

    • Non-Conventional Method for Friction Compensation in DC Drive Position Tracking 

      Dumitriu, Teodor; Culea, Mihai; Nichita, Mihai; Munteanu, Traian ("Dunarea de Jos" University of Galati, 2006)
      Friction, especially its nonlinear components, may degrade the tracking performance of any servo drive systems. Focused on high precision positioning of DC electrical drive the paper proposes an easy method to compensate ...

    • Non-Linear Dynamic Behavior of a Ball Float Valve 

      Dragomirescu, Cristian; Crăifăleanu, Andrei (Universitatea "Dunărea de Jos" din Galați, 2012)
      The dynamic behavior of the spherical body floating in a liquid, part of a ball float valve, is analyzed from the point of view of the dynamic systems theory. The study of the motion illustrates the differences between ...

    • Nonlinear Approaches Regarding Mechanical and Thermal Behaviour of Visco-Elastic Vibration on Isolators 

      Năstac, Silviu (Un, 2013-10-01)
      Thermal effects inside the vibration elastomeric isolators have usually been neglected and this aspect can leads to certain differences between simulations and experiments. Continuous damping during the working cycle ...

    • Noțiuni și concepții privitoare la corelarea normelor juridice în cadrul sistemului de drept 

      Popescu, Getty Gabriela (Universitatea ,,Dunărea de Jos" din Galați, 2007-01)
      Orice societate îşi întemeiază structura şi funcţionalitatea pe baza unui model unic, normativ şi cultural, constituit dintr-un ansamblu de valori, norme, reguli, îndatoriri, cutume şi uzanţe, care asigură atât stabilitatea ...

    • A Noval Comparison of Class D and Class E Inverter Based High Frequency Application 

      Arumugam, S.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2011)
      This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented.

    • A Novel Analysis of Class e Inverter Based Induction Heating System 

      Arumugam, S.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented. Utility frequency AC Power is converted into high frequency ...

    • A Novel Feature Extraction Method for Isolated Word Recognition Based on Nested Temporal Averaging 

      Dogaru, Radu; Costache, Gabriel Nicolae; Dumitru, Octavian; Gavat, Inge ("Dunarea de Jos" University of Galati, 2006)
      A novel preprocessing method is proposed. It has a reduced complexity and therefore is aimed to be used in low power, VLSI implemented, speech recognizers. Our algorithm extracts a feature vector made from up to 3 feature ...

    • A Novel Parametric Model for the Human Respiratory System 

      Ionescu, Clara Mihaela ("Dunarea de Jos" University of Galati, 2003)
      The purpose of this work is to present some recent results in an ongoing research project between Ghent University and Chess Medical Technology Company Belgium. The overall aim of the project is to provide a fast method ...

    • A Novel ZCS-ZVS Hybrid Bidirectional DC-DC Converter for Fuel Cell and Supercapacitor Application 

      Rama Reddy, S. (The Annals of "Dunarea de Jos" University of Galati, 2010)
      This paper proposes a novel ZCS-ZVS hybrid bidirectional DC-DC converter based on fuel cells and supercapacitor devices. The described converter employs only one high frequency transformers to couple the half-bridge and ...

    • Numerical and Experimental Investigations Upon Articular Cartilage Mechanical Hysteresis 

      Frunză, Gheorghe; Ciornei, Florina (UDJG, 2010)
      The paper presents biomechanical and tribological considerations upon articular cartilage. The experimental in vitro results from static and dynamic contact tests are presented together with numerical modelling of the ...

    • Numerical Evaluation of Reliability Indicators Under Optimal Renewal Strategies 

      Mărăşescu, Nicolae ("Dunarea de Jos" University of Galati, 2012)
      This paper investigates the opportunity of using a numerical procedure for computing the renewal parameters of an equipment. The reasons of this approach reside in the sampled way we measure the process variables and the ...