Now showing items 1-20 of 1843

    • 2009 : The Isurance challenges year 

      Popa, Elena (Universitatea "Dunărea de Jos" din Galaţi, 2009-01)
      The insurance market in Romania has followed a tremendous evolution in the last decade, increasing annually by about 30 percent. Romanian insurance market is dominated by auto insurance, with over 60% of all subscriptions ...
    • 3d Modeling and Static Analysis of a Bucket Crusher Equipment Attached to the Excavator Arm 

      Eftimie, Dorin; Bogoi, Laurențiu (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      This paper aims to show the 3D modeling of a bucket crusher equipment attachable to the excavator arm. The static analysis of this type of crusher jaws allowed a correct designing for a better reliability. This analysis ...
    • 3D Modeling of a New Type of Vibratory Roller 

      Eftimie, Dorin; Apostu, Adrian (Universitatea "Dunărea de Jos" din Galați, 2013-10-01)
      This paper presents the design optimization of a new type of roller vibration with amplitudes varying with software NX 7.5. The 3D modeling has been developed optimizing constructive solution, minimizing implementation ...
    • 3D Modelling a Spur Gearing with Solid Edge 

      Haraga, Georgeta (Universitatea "Dunărea de Jos" din Galaţi, 2006)
      The software Solid Edge software is a useful 3D computer aided design (CAD) running under Windows. The commands and icons of Solid Edge software offer the possibility to design various solids. In this paper are presented ...
    • 3D Modelling a Spur Gearing with Solid Edge 

      Haraga, Georgeta (Universitatea "Dunărea de Jos' din Galați, 2006)
      The software Solid Edge software is a useful 3D computer aided design (CAD) running under Windows. The commands and icons of Solid Edge software offer the possibility to design various solids. In this paper are presented ...
    • 3D Modelling Multiple Faucets Bodies 

      Rădulescu, Cătălin; Goanță, Adrian Mihai (Universitatea Dunărea de Jos" din Galați, 2004)
      In this work is doctored the way of tackles the and realization of a innards by the students in the program Autocad. The work has as objective a these accomodation with the commands 3D the and a crossing from 2D to 3D ...
    • About Concrete Consolidation and Vibration 

      Paiovici, Roza; Ionescu, Ștefania (Universitatea "Dunărea de Jos" din Galați, 2004)
      Proper vibration of fresh concrete is an important process in order to ensure optimum strength, durability, and appearance of quality precast products. Accepted practices in the precast industry are unique in some respects ...
    • About Dynamic Stability Analysis of the Power Regulators With Exactly Hyperbolic Characteristic 

      Gavril, Axinti; Năstac, Silviu; Debeleac, Carmen; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2003)
      Power regulators are attached devices of hydraulic pumps with variable capacity. Theses have the means to modify the pump capacity depending of the pressure from the circuit served by the pump. In this way, it result ...
    • About Non-Autonomous Vibrations of Mechanical Systems 

      Cauteș, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2010)
      Non-linear vibrations of mechanical systems are described by differential equations of the second order, which are generally written .. . x f ( x, x,t )  0 . In this work we study non-autonomous vibrations of mechanical ...
    • About of the Analytical Exactly Solutions of the Differential Equations of the Non-Linear Oscillators 

      Cauteș, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2004)
      This work presents the manner of the solving of the non-linear differential equations from order II with the form &y& + p(t)y = q(t)y1-2a . These equations can characterize the excited vibrations of the mechanical ...
    • About Phonic Isolation of the Mobile Equipment Cabin 

      Anghelache, Diana (Universitatea "Dunărea de Jos" din Galați, 2008)
      This work presents vibration absorbing and damping solutions for operator cabin on construction equipment. Hereby, the operator cabin has to be considered accordingly. Vibration proof and sound proof materials applied ...
    • About Signals' Spectrum 

      Grigorescu, Luiza; Oproescu, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2010)
      Due to this Fourier series exclusive interpretation applied to periodical signals, which shows that a stationary harmonic signal with a single pulsation  cannot contain components of other pulsations but its own pulsation ...
    • About the Free Parameter Vibrations of the Mechanical Systems 

      Cauteș, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2008)
      The oscillation movement of a mechanical non-linear system is not easy to solve exactly in an analytical way. The approximate solutions are based on different methods and give different values with different approximation ...
    • About the Hysteresis-Loop of the Mechanical Oscillators 

      Cauteș, Gheorghe (Universitaea "Dunărea de Jos" din Galați, 2011)
      The work presents firstly the representation of the typical Hysteresis-loop as function between the indoor forces of the oscillator as friction and elastic forces dependant on displacement and, otherwise, as function between ...
    • About the Parametric Modelling of the Protective structure Included in a Tractor Cabin in Order to Study its Protective Capability Using the Finite Element Method 

      Dumitrache, Petru (Universitatea "Dunărea de Jos" din Galați, 2014)
      The objective of the paper is the highlighting of the main aspects that are considered in parametric modelling of the protective structures included in a tractor cabin in order to study its protective capability, using ...
    • About the Vibrations of the Mechanical Systems with Non-Linear Damping 

      Cauteș, Gheorghe (Universitatea "Dunarea de Jos" din Galați, 2009)
      This work will analyze the non-linear vibrations of the mechanical systems, actually the ones with non-linear damping. If we consider damping F( x,x ) x( k k x );k1,k2 R 2 = − 1 − 2 Î & & & then the differential ...
    • Abstract Multi-Agents Used in Industrial Fault Diagnosis 

      Costache, Marius-Cristian; Minzu, Viorel ("Dunarea de Jos" University of Galati, 2012)
      Industrial diagnosis systems aim to anticipate the occurrence of failures or, if failures have occurred, to detect them and identify their cause, based on observable symptoms captured by sensors from the process. In case ...
    • Accountancy Modeling on Intangible Fixed Assets in Terms of the Main Provisions of International Accounting Standards 

      Radu, Riana Iren; Isai, Violeta (“Dunarea de Jos” University of Galati, 2014)
      Intangible fixed assets are of great importance in terms of progress of economic units. In recent years new approaches have been developed, additions to old standards so that intangible assets have gained a reputation ...
    • Accounting and Financial Reports in the Gambling Monopoly - Measures for a Moral Economic System 

      Radu, Riana Iren; Isai, Violeta; Horodincu, Ana (“Dunarea de Jos” University of Galati, 2013)
      The state monopolies set over the gambling market are a propensity of society nature, actually of her moral fundaments, so the aim of this paper is to analyses gambling monopoly as a solution of moral economy. The term ...
    • Accounting and Fiscality in the Ottoman Empire 

      Isai, Violeta; Radu, Riana Iren (“Dunarea de Jos” University of Galati, 2013)
      The Ottoman Empire was an imperial superpower that manifested its domination in the Mediterranean zone between 1299 and 1922. At the moment of their maximum glory, the ottomans ruled over three continents, meaning 19,9 ...