Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 1793-1812 of 1845
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Tribological Studies Regarding the Crude Rapeseed Oil Press
(Universitatea "Dunărea de Jos" din Galați, 2016)The aim of this paper is to present a tribology test conducted on crude rapeseed oil press. The experiments were carried out with four-ball machine. The oil was tested at speed of 1000 rot/min and loads of 140 N and 200 ... -
Tribological Testing Programs for Uhmwpe Matrix Composites
(Universitatea ”Dunărea de Jos” din Galați, 2009)This paper aims to review the knowledge on materials and tribology of the ultra high molecular weight polyethylene (UHMWPE) composites. The various mechanisms proposed for the wear behaviour of UHMWPE are closely associated ... -
Tribolological Behaviour of Nitrocarburized Superficial Layer After Thermo-Magnetic Treatments Applied to Steels, During Friction Process
(Universitatea "Dunărea de Jos" din Galați, 2006)Two types of steels subjected to a nitrocarburized thermo-chemical treatment after thermomagnetic treatments. The contact problems are studied employing the concept of tribosystem and tribomodel. The structural aspects ... -
Trilemma EU and EMU Challenges: Fiscal Competition, Harmonization or Unification
(“Dunarea de Jos” University of Galati, 2014)Eurozone has grouped 18 countries in the European area, with different tax systems and thus, on the background of a common monetary policy numerous decisions and commitments for fiscal harmonization were adopted. ... -
A Two-Step inverse Analysis Approach Used to Identify the Mechanical Properties of Metallic Materials Subjected to Large Plastic Strains. Applications to Local Investigations of Surface Layer's Behaviour
(Universitatea "Dunărea de Jos" din Galați, 2013)The aim of this research work is to improve the experimental and numerical analysis of the local mechanical properties corresponding to metallic alloys used by bulk forming processes. A non-conventional upsetting test ... -
Two-Way Shape memory Effect in a Cu-13wt. %Al-4 wt.%Ni Shape Memory alloy by the Thermo-Mechanical Cycling Method
(Universitatea "Dunărea de Jos" din Galați, 2007)A Cu - 13 % wt Al 4% wt Ni polycrystalline shape memory alloy has studied with a thermo mechanical cycling method. The two – way shape memory effect (TWSME) was obtained bending the alloy around a cylinder mold and by ... -
A Typical Surface Formations Found on the Corrosion Layer of Iron Artefacts
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents the experimental results obtained by applying non-invasive methods (OM, SEM-EDX, XRF) on two iron artefacts from the IInd and the IIIrd centuries A.D. (discovered in the incineration graves from ... -
Ultimate Owner and Firm Performance - Evidence from Romanian Mining and Quarrying Listed Firms
(“Dunarea de Jos” University of Galati, 2012)The main objectives of this paper are to describe the necessary steps to identify the ultimate owner and to investigate the relation between the ultimate ownership and the financial performance of Romanian mining and ... -
Ultraque lingua : Bilingvismul greco-latin şi implicaţiile sale
(Universitatea "Dunărea de Jos" din Galaţi, 2006-01)This paper deals with an essential issue in the making of the European linguistic and conceptual community, namely, Latin and Greek bilingualism. First acknowledged by the Latin writers’ phrase utrasque lingua, the fusion ... -
Ultrasound Action on Strength Properties of Polycrystalline Metals
(Universitatea ”Dunărea de Jos” din Galați, 2006)The mechanical properties of pure aluminum were investigated by tensile test on the sample with average grain size between 60 and 1000 µ m. The stress strain functions given by the models are fitted to the measured points. ... -
Uncertainty Management Using Bayesian Networks in Student Knowledge Diagnosis
("Dunarea de Jos" University of Galati, 2005)In intelligent tutoring systems, student or user modeling implies dealing with imperfect and uncertain knowledge. One of the artificial intelligence techniques used for uncertainty management is that of Bayesian networks. ... -
Upon Fretting Behaviour in a Hertzian Point Contact
(UDJG, 2010)Fretting is known as a wear process occurring in a small amplitude cyclic motion of two solid contacting surfaces and it can affect the fatigue resistance of the material, inducing wear and cracking. The kinematics ... -
Upon Friction on a Ball Bearing - Outer Raceway Contact - I. Uniform Loading of the Balls
(Universitatea ”Dunărea de Jos” din Galați, 2006)The paper advances an analytical model to evaluate the effect of micro-slip on the friction losses at the interface of a normally loaded rolling contact. The model validation was done by comparing the theoretical results ... -
Upon Radial Fretting of Dissimilar Materials
(Universitatea ”Dunărea de Jos” din Galați, 2006)The paper presents a state of the art concerning radial fretting for dissimilar bodies and fretting damage. Four simple fretting models are defined in the literature: tangential, radial, rotational and torsional. Only the ... -
Urban Pollution Issues Generated by Trams Traffic
(Universitatea "Dunărea de Jos" din Galați, 2015)The modern society development involves new and diverse issues considering urban environmental pollution. Traffic generated sound and vibration are two upto- date urban environmental pollution causes besides air and water ... -
Use of Alternative Fuels in Road Transport and its Environmental Effects. A Literature Review
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper presents a literature review on use of alternative fuels in road transport, in respect of their performance and emission in diesel engines/vehicles. The major limitations of vegetable oils as fuel in diesel ... -
The use of Ternary Diagrams in the Analysis and the Mathematical Modeling of Bank Assets Structure
(Europlus Galati, 2012-03)The objectives pursued in this paper are: to obtain by means of ternary diagrams imagistic representations of the structure of assets in credit banking institutions operating in Romania in case of stability, turbulence ... -
Usefulness of Artificial Neural Networks for Predicting Financial and Economic Crisis
(“Dunarea de Jos” University of Galati, 2012)The objective of the present study is to explore the issue of the forecasting of economic crisis using the neural network. The subject is of great importance in the economy, more so as that most countries affected by ... -
Using CAD Sistems in Ecodesign
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper has as principal objective to point out the aspects related to ecodesign and 3D modelling of a trolley for firewood that can be realised using CAD systems. From these, the CATIA program has been chosen. The ... -
Using Design Patterns in Education and Tutoring for the Software Systems Projects in Economic
("Dunarea de Jos" University of Galati, 2009-01)The paper deals with a training system with a client-server architecture created for students who are learning to design and implement object-oriented software systems with reusable components, and also targeting those ...
