Afișează articolele 1642-1661 of 2981

    • Mathematical Model of the Strip Rolling Made of the Sinterized Metallic Powders 

      Petrea, Ionel; Istrate, Sorin Miltiade (Universitatea "Dunărea de Jos" din Galați, 2005)
      The minimum-power method has been used to investigate the final ratio soft-layer thickness to tough-layer thickness in bimetals with porous layer rolling. The velocity fields has been determined and the total deformation ...
    • Mathematical Modeling and Simulation Photovoltaic Converter Operation When Varying Parameters 

      Constantin, Miholcă; Munteanu, Cristian; Nicolau, Viorel ("Dunarea de Jos" University of Galati, 2008)
      The paper presents a method of mathematical modelling of a solar converter using the results of full-scale testing. The advantages of analytical modelling method applied to photovoltaic systems are also presented; this ...
    • Mathematical Modeling of the Heat Treatment Process Applied to Alloy Al-Zn-Mg-Cu-4.5% Zn, Used in Aeronautics 

      Neacșu, Marian; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2012)
      This paper presents mathematical modeling based on the regression analysis method by active experiment of a thermal treatment process applied to an alloy belonging to Al-Zn system, which finds application in aeronautics. Using ...
    • Mathematical Modelling of Steel Continuous Casting Hydrodynamics (1) 

      Munteanu, Viorel; Sava, Simona (Universitatea "Dunărea de Jos" din Galați, 2006)
      The quality increase of steel continuous casting and a reliability indices of afferent installations imposes the automation systems adoption of machines of continuous casting of steel. In this paper enters original ...
    • Mathematical Models for the Whole Traction Mechanical System of the Technological Self-Propelled Machines 

      Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper achieves mathematical models of the integral traction mechanical system, that is the system achieved only with gearings organized in the transmission components , gearboxes, card differentials transmissions, ...
    • Matlab Simulations of Dynamic Pricing on the Market of a Product Models 

      Sbughea, Corina (“Dunarea de Jos” University of Galati, 2015)
      This paper aims to illustrate the dynamic models of prices adjustment on a product market, such as Kaldor classic model and Extended Kaldor model with adaptive expectations, using simulations achieved by Matlab programming ...
    • Measurement and Analysis of Vibrations on a Cold Rolling Mill for Steel Strip 

      Dragomir, Ștefan; Diaconu, Nicolae; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2012)
      In this paper the authors made measurements and registration of vibration by using accelerometers posted on the top backup rolls. This is a new way for predict the damage in the rolling mill equipment and the precision ...
    • Measurement and Evaluation of Efficiency. Criteria for Police Units 

      Dimofte, George; Dimofte, Gabriela; Bolea, Ionica (“Dunarea de Jos” University of Galati, 2012)
      Police organization It is widely recognized that the exercise of the activity of management, as of all human activities, is not a purpose in itself, but rather a means to increase economic and social efficiency. To ...
    • Measurement of Highly Qualified Employees Productivity 

      Tokarcikova, Emese (“Dunarea de Jos” University of Galati, 2013)
      Nowadays all economies are more and more based on knowledge and information. Economists therefore are increasingly interested in the measurement of productivity of highly qualified employees. While in the case of other ...
    • Measures to Optimize Job Security "Crane machinists who Transport Liquid Steel" 

      Drăgan, Viorel; Dragomir, Ștefan; Bordei, Marian (Universitatea "dunărea de Jos" din Galați, 2013)
      The starting point in optimizing the prevention of occupational accidents and occupational diseases for a crane machinist for the transport of liquid steel is the risk assessment of the system. Risk assessment involves ...
    • Measuring and Controlling of Noises and Vibrations Generated by Industrial Sources 

      Drăgan, Nicușor; Debeleac, Carmen (Universitatea "Dunărea de Jos" din Galați, 2008)
      This paper describes a methodology for measuring and control of noises and vibrations generated by industrial sources, such as: construction activities, equipments which use vibrations into working process, etc. ...
    • Measuring the Effects of Human Capital on Growth in the Case of Romania 

      Neagu, Olimpia (Europlus Galati, 2012-03)
      It is obvious that human capital is critical for economic growth. The exploration of the impact of human capital on growth could bring valuable information for policy makers to substantiate their development strategies ...
    • Measuring the Residual Stress of the Injection Moulded Polymeric Parts 

      Niță, Alexandra; Leițoiu, Bogdan; Goanță, Viorel; Bârsănescu, Paul (Universitatea ”Dunărea de Jos” din Galați, 2009)
      The residual stresses are usually introduced during manufacturing, and are caused by processes such as molding. This paper presents how the authors determine the residual stresses for the flat plates from ABS, PP and PS ...
    • Mecanisme represive în școala românească de arhitectură 

      Mitric-Ciupe, Vlad (Universitatea "Dunărea de Jos" din Galați, 2018)
      Cu ocazia susținerii tezei de doctorat în arhitectură cu tema Arhitecții români și detenția politică 1944-1964. Între destin concentraționar și vocație profesională1 susțineam că modul în care sistemul instalat în România ...
    • Mecanisme represive în școala românească de arhitectură 

      Mitric-Ciupe, Vlad (Universitatea „Dunărea de Jos” din Galaţi, 2018)
      Cu ocazia susținerii tezei de doctorat în arhitectură cu tema Arhitecții români și detenția politică 1944-1964. Între destin concentraționar și vocație profesională1 susțineam că modul în care sistemul instalat în România ...
    • Mechanical and Tribological Properties of TiCxOy Thin Films 

      Munteanu, Daniel; Borcea, Bogdan; Munteanu, Alexandru; Cozma, Rodica; Vaz, Filipe (Universitatea "Dunărea de Jos" din Galați, 2005)
      The main purpose of this work consists on the preparation of single layered titanium oxycarbide, TiCxOy, thin films, deposited by d.c. reactive magnetron sputtering. The depositions were carried out from a TiC solid ...
    • Mechanical properties and Abrasive Wear Behavior of Fluidized-bed Carburized Sintered Iron Alloys 

      Marin, Mihaela; Potecașu, Florentina; Drugescu, Elena; Potecașu, Octavian; Alexandru, Petrică (Universitatea "Dunărea de Jos" din Galați, 2012)
      This paper is a study of the influence of fluidized bed carburizing of sintered steels on the mechanical properties and the abrasive wear behavior for two different types of powder. Carburizing was carried out at a ...
    • Mechanical Resistance as a Function of Local Properties 

      Chiriță, George; Ștefănescu, Ioan; Soares, Delfim; Silva, Filipe (Universitatea "Dunărea de Jos" din Galați, 2007)
      The present study makes an estimation of an automotive engine piston mechanical properties and fatigue life based on some characteristics of metallurgical microstructure. Because it is intended to assess the properties ...
    • Mechanical Resistance as a Function of Local Properties 

      Chiriţă, George; Ştefănescu, Ioan; Soares, Delfim; Silva, Filipe Samuel (Universitatea "Dunărea de Jos" din Galaţi, 2007)
      The present study makes an estimation of an automotive engine piston mechanical properties and fatigue life based on some characteristics of metallurgical microstructure. Because it is intended to assess the properties in ...
    • Mechanical Resistance on Cold Welding Achievement Between Cogged Sufaces 

      Georgescu, Bogdan; Georgescu, Valeriu (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      Cold welding on cogged surfaces is a technology developed by researchers from Robotics and Welding Department, Dunarea de Jos University of Galati. Easily deformable samples, having plane surfaces, are pressed on cogged ...