Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 1660-1679 of 1845
-
The Friction Force Dependence at Simple Pendulum Sliders by Relative Speed and Temperature of the Surface in Contact
(Universitatea "Dunărea de Jos" din Galați, 2014)Some bridges located in areas of high seismic risk have the decks supported through simple pendulum what dissipates energy by dry friction. The friction force that occurs by motion of the two surfaces is dependent on both ... -
The Grinding Charge of Rotary Mills
(Universitatea "dunărea de Jos" din Galați, 2007)This paper presents the achievemens of grinding charge for the tube mills with balls.The author shows charactheristic size of grinding media charge: bulk density, porosity, filling degree. Regarding this last size,the author ... -
The Harmonization of the internal rules of the companies in European Union
(Universitatea ,,Dunărea de Jos" din Galați, 2008-01)The regulation of this domain by the communitarian institutions through Directives shows the freedom of the member states to transpose the rules. In the same time, the Directives can be invoked by the particulars (companies ... -
The Idenfication (In Simulink) of an Elastic
(Universitatea "Dunărea de Jos" din Galați, 2007)In this paper is realized the identification of an elastic system with one degree of freedom, for which we experimentally pick up (in SIMULINK) the resonance curve. The system parameters (m, c, k) are determined using ... -
The Impact of European Integration on pension insurance market in Romania
(Universitatea ,,Dunărea de Jos" din Galați, 2008-01)The present article chose to treat this work whereas the pension insurance market in Romania is a young growing market. Romanians started to become that, if they want a decent pension, they must take a decision and allocate ... -
The Impact of european integration on the general insurances market in Romania
(Universitatea ,,Dunărea de Jos" din Galați, 2008-01)The present article aims to proving that the business concentration is the main tendency witch is to become manifest in the insurance field, determined by the increasing interest of international strategic investors to ... -
The Impact of Occupational Noise on the Workers. Romanian and EU Legislation
(Universitatea "Dunărea de Jos" din Galați, 2007)Noise is most obviously a problem in industries such as manufacturing, mining and construction but it can also be an issue in a wide range of other working environments like energy, transports, call centers, schools, orchestra ... -
The Impact of the Technological Equipment Vibration on the Environment
(Universitatea "Dunărea de Jos" din Galați, 2007)The shocks & vibrations generated by the operation of such tools, are conveyed to the foundation environment affecting both the near – by building safety and the comfort of the unit personnel and of the surrounding ... -
The Importance of Using Membranes in Seawater Desalination as a Result of Excessive Exploitation of Water Sources
(Universitatea "Dunărea de Jos" din Galați, 2017)This paper is a detailed study of the need to find and implement new solutions for water filtration and the promotion of modern techniques that are more effective than traditional methods. As a result of extension waste ... -
The Impulsive Loading Influence on Dynamic Response Parameters of the Viaduct Type Structure
(Universitatea "Dunărea de Jos" din Galați, 2011)Bridges and viaducts are vital structures ensuring ways of communication, so they must be protected from dynamic loads from traffic or seismic activity. For this reason are embedded in their structure dynamic isolation systems ... -
The Inclusion in the Calculation Schemws for Numerical Simulation of the Pressures Drop on Inlet and Outlet of Hydraulic circuits
(Universitatea "Dunărea de Jos" din Galați, 2014)Numerical simulation of the operation of hydraulic systems acting on hydraulic cylinderst is based on differential equations that describe the equilibrium of forces and the continuity of the flow rate. To simplify ... -
The Influence of Biodiesel Fuels on Lubricity of Passenger Car Diesel Engine Oils
(UDJG, 2010)The present paper mainly focuses on the physical and chemical impact of currently used and future biodiesel components on the performance of a typical low-sulphated-ash-phosphorus-sulphur (low SAPS) passenger car engine ... -
The Influence of Cold Rolling on the Mechanical Characteristics for Drawing Steels
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The paper presents the changes of the mechanical and technological characteristics of steel for deep drawing, cold rolled and recrystallization heat treated. The research was conducted on samples taken from cold rolled ... -
The Influence of Cold Rolling on the Microstructure for Drawing Steels
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper presents the structural changes that appeared in steel for deep drawing, as a result of cold rolling and of recrystallization thermal treatment. The research was conducted on samples taken from the rolled strap, ... -
The Influence of Different Coatings on the Grafhite Degeneration in the Superficial Layer of Iron Castings
(Universitatea "Dunărea de Jos" din Galați, 2014)The main objective of this experimenal reserch is to investigate new possibilities for reducing the graphite degeneration phenomenon in the superficial layer of iron castings. For the experiment, a spheroidal graphite ... -
The Influence of Moisture on Thermal Conductivity for Building Materials
(Universitatea "Dunărea de Jos" din Galați, 2017)The purpose of the study is to determine the influence of moisture on thermal conductivity for a range of building materials. A series of building materials and insulation materials have a porous, fibrous or granular ... -
The Influence of Nano-Particle Additive to Lubricating Oils on the Structure and Properties of Friction Surfaces
(UDJG, 2011)The article considers the influence of the additive in the lubricating oils Cermet, on tribological properties of a friction pair «cast iron – chrome», which is typical for the cylinder-piston unit of engines. It is shown ... -
The Influence of Nonlinear Behavior of Viscous-Elastic Element on Equipment Foundation with Dynamical Apply Stresses
(Universitatea "Dunărea de Jos" din Galaţi, 2006)This paper presents a dynamical analyze on the foundation of machine when are apply stresses such the beat (percussion) in nonlinear behavior of the viscous-elastic elements hypothesis. In this way can be evaluate (more ... -
The Influence of Nonlinear the Elastic Character of Viscoelastic Systems on the Dynamic Response of Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2010)Bridges and viaducts represent vital engineering structures which are component of terrestrial communication lines, therefore reducing their exposure to factor originating from natural or anthropogenic hazards has no ... -
The Influence of Polarization Tension of the Grading Over thin Layer Properties of TiN Deposed Through PDV Method
(Universitatea "Dunărea de Jos" din Galați, 2006)The deposits of tough thin layers on pieces and tools through PDV method knew a permanent and constant spreading owing to the great applicability of the resulting coatings which make that the thin layer deposit from the ...
