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

Afișează articolele 1720-1739 of 1845

    • The Reliability of the Rlac Bore-Hole Pumps 

      Drumeanu, Adrian Cătălin; Antonescu, Niculae Napoleon (UDJG, 2010)
      The paper aims to present a study concerning the determination of the borehole pumps operating reliability. The considered bore-hole pump for this study is RLAC 2 7/8 x 1¾ in x 32c type and it equips the oil-wells of ...

    • The Resulted Roughness at Turning of some Non-Metallic Materials and Correlation with Durability of Machine Cut Surfaces 

      Pascu, Ileana Cristina; Popescu, Iulian (Universitatea "Dunărea de Jos" din Galaţi, 2007)
      In this paper there are studied the results obtained at graphite and polyvinyl chloride turning. Such pieces are used like loose parts or in subassemblies. The final roughness of such pieces after processing and the influence ...

    • The Road Traffic Acoustic Emissions Influence 

      Anghelache, Diana (Universitatea "Dunărea de Jos" din Galați, 2015)
      Transportation (on road, water and through air) is the most powerful potential source of acoustic pollution these days, so its framing in general ecological cycle is not suitable.Man must better understand the unity of ...

    • The Role of Reinforcement Learning Business Integrated Manufacturing 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2011)
      Reinforcement learning (RL) has received some attention in recent years from researchers, because it deals with the problem of how an autonomous manufacturing system can learn to select proper actions for achieving its ...

    • The Screw Fastening Order in Slewing Rings 

      Rezmires, Daniel; Monfardini, Alfredo; Racocea, Cezar (UDJG, 2011)
      The slewing rings are composed of two rings, an inner one and an outer one, in which raceways are obtained that, contains the rolling elements on which the working loads are transmitted from the moving ring to the fixed ...

    • The sensorial Theatre-Visual and acoustic emotions as the way of feeling Opera 

      Ranzini, Paola (Universitatea "Dunărea de Jos" din Galați, 2017)
      Il ruolo dei sensi in alcune regie contemporanee dell' Amour des trois Oranges. La mia comunicazione intende affrontare un discorso critico sulla regia lirica contemporanea come "seconda creazione", nel suo difficile ...

    • The Steam-Secondary Source of Energy in Metallurgy 

      Ivănescu, Lilica (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper is focused on a study of how to use the steam from recovery boilers of LD converters to produce electricity in turbine generators and heat in a heat network.

    • The Structural Design Improvement of a Twin-Hull Ship 

      Presură, Adrian; Chirică, Ionel; Elena-Felicia, Beznea (Universitatea "Dunărea de Jos' din Galați, 2015)
      The paper is focused on the strength analysis of the structure of twin-hull ships, particularly a passenger catamaran. Catamarans have some advantages against conventional monohulls: larger deck area and cargo volume, ...

    • The Structural Optimizing of Metallurgical Installations and Mechanisms 

      Munteanu, Viorel; Sava, Simona (Universitatea "Dunărea de Jos" din Galați, 2006)
      The structural optimizing of used mechanisms in the machines construction and metallurgy through the further liberty degrees creation is essential projection problem, as it enters the closing mechanisms case with sliding ...

    • The Study of Metal-old Wood Interactions Under the Influence of Pedological Factors 

      Sandu, Ion; Hayashi, Mikiko; Quaranta, Marta (Universitatea "Dunărea de Jos" din Galați, 2008)
      In the manufacture of wood objects, for binding and strengthening were used nails, cramps and other metallic elements, which in the archaeological site suffered degradation and deterioration processes, specific to ...

    • The Study of the Influence of Stability for Hydraulic Tracked Excavators Excavators with Bucket Using Assisted 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2007)
      The technological process of digging the natural earth using hydraulic excavators with bucket has the following steps: dislocation, transporting and depositing in means of transportation. During this process the excavator ...

    • The Technical-Economic Modelling of Competitiveness for Manufacturing Systems 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2009)
      On world wide level, enterprises are confronted with an evermore accelerated dynamics and the unpredictable changes. This is influenced by the technical and scientific progress, dynamic requirements of the customers, ...

    • The Technological Resource of Digging and Transport Heavy Equipmens Used in Road Costructions 

      Sârbu, Laurențiu (Universitatea "Dunărea de Jos" din Galați, 2004)
      For it can be applied the efficiency analysis of a mecanical system , on the basis of probabilistic transform and correlation methods , in the case of industrial tractors which are working in aggregate with different ...

    • The temperature Effect on Severely Deformed Aluminium by High Pressure Torsion 

      Gurău, Carmela; Gurău, Gheorghe; Cănănău, Nicolae; Potecașu, Florentina; Dogaru, Victor; Fernandes, FM Braz (Universitatea "Dunărea de Jos" din Galați, 2009)
      The process of deforming materials started to attract the interest of the researchers after the development of the severe plastic deformation techniques. A number of aluminium samples were severe deformed by HPT method ...

    • The Tool to Model through Micro Strain and Micro Cutting 

      Tache, Antonio; Tache, Carmen (Universitatea ”Dunărea de Jos” din Galați, 2008)
      The cutter wear is analised by a single hard fixed particle (inclusion) in brittle material. The shakedown pressure of the inclusion contact is directly proportional to shear field stress of the cutter surface and is ...

    • The Undissolved Air Influences on Dynamic Behavior of Hydraulic Driving Systems 

      Axinti, Gavril; Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2010)
      This paper is a part of a group of papers which deal with the changes due to the oil - air mixture into the hydraulic actuating systems. The undissolved air into the hydraulic agent of technological equipment actuating ...

    • The Unusual Electomagnetic Proprieties of Fabric Reinforced Epoxy Composites 

      Bunea, Marina; Bria, V.; Cîrciumaru, A.; Bîrsan, I. G. (Universitatea "Dunărea de Jos" din Galați, 2015)
      In this research, the electromagnetic behavior of four composite materials was investigated as an important issue of composite researchers is to control the electrical properties of polymer matrix composites. The four ...

    • The Use of Systems Analysis in Environmental Engineering 

      Paraschiv, Spiru; Paraschiv, Lizica Simona; Ion, Ion V. (Universitatea "Dunărea de Jos" din Galați, 2005)
      The depletion of energy resources has been of primary concern in the `70s and `80s. In recent years, the decline of the environment due primarily to our energy-related activities has become severe and raises serious ...

    • The Use of Ultrasound in the Treatment Process of Wastewater. A Reviuw 

      Matei, Nicoleta; Scarpete, Dan (Universitatea "Dunărea de Jos" din Galați, 2015)
      In this paper, different types of ultrasound devices for the treatment process of wastewater are presented. The use of ultrasound in treatment processes is a method of perspective, an alternative to conventional methods. ...

    • The Utilization of 3X3 Matrixes in Setting Kinematics Chains Analysis for Robots Components 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2009)
      Within the kinematic study of a rigid solid, its motion is studied faceto- face by a reference system, fixing positions, speeds and accelerations of a reference system, solidarily connected to the rigid solid.