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Afișează articolele 2402-2421 of 2993
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Specializarea economiei româneşti ca factor de creştere a competitivităţii pe piaţa internaţională
(Universitatea "Dunărea de Jos" din Galaţi, 2011)Lucrarea de faţă se doreşte a fi o radiografie a situaţiei comerţului exterior al României di 1990 până în 2010, analizqnd perioada de trecere de la o economie centralizată la o economie de piaţă funcţională, trecând prin ... -
Specific Aspects of Modelling and Designing Gear Pumps
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper intends to highlight, in the context of general geometrical modelling, the specific aspects of design and modelling of a gear pump. In practice in such situations containing toothed gear it is recommended to ... -
Specific Aspects of the Contact Wheel-Rail and the “IN SITU” Rehabilitation of Tram Rails
(Universitatea "Dunărea de Jos" din Galaţi, 2006)The rails are an important and critical part of a railway system and are exposed, during service, to high stresses of different types, frequency and orientation and also to different environmental. The tram rails are in ... -
Spectral Density Correction of a Signal at Frequency Variable Transformation
("Dunarea de Jos" University of Galati, 2006)The goal of this paper is to determine analytical expression for the spectral density function of a signal, affected by a known frequency transformation, which do not modify the process energy. Such transformations of ... -
Spectrophotometric and Rheological Studies on Oxidized Soybean Oils
(Universitatea "Dunărea de Jos" din Galaţi, 2013-10-01)This paper presents a rheological and spectrophotometric study of oxidized and nonoxidized soybean oils at 100, 110 and 120°C temperatures. The oxidation periods of time were 5 hours and 10 hours. Changes of the oxidized ... -
Speed and Rotor Flux Estimation in Speed Sensorless Control of Induction Motor
("Dunarea de Jos" University of Galati, 2002)The paper compares the performances of several adaptive rotor flux and speed estimation methods used in speed sensorless vector control of induction motor. First, a short review of Luenberger, Gopinath, MRAS, Torque Error ... -
Spread Data Storage-A Means Of Storing in Internet
("Dunarea de Jos" University of Galati, 2012)Recent years have led to the development of new data storage solutions, moving their local storage, to the storage in cloud (Internet). In this case, data loss raises greater problems, since there it is not able to seek ... -
Stabilirea unor procedee tehnologice de control și reducere a conținutului de nitriți în produsele alimentare
(Universitatea "Dunărea de Jos" din Galați, 2006)În prezent, asigurarea stării de sănătate a populației prin consumarea unor produse alimentare salubre, cu grad înalt de înlocuire și cu valoare nutritiva cât mai ridicată, reprezintă principala preocupare a specialiștilor ... -
Stability criteria for cellular neural networks
("Dunarea de Jos" University of Galati, 2001)A cellular neural network is an artificial neural network which features a multidimensional array of neurons and local interconnections among the cells. Neural networks are systems with several equilibrium states. It is ... -
Stat, biserică și societate în spațiul românesc extracarpatic: Discursuri moral-creștine sec. XVII-XVIII
(Universitatea "Dunărea de Jos" din Galați, 2016)Lucrarea prezintă unele aspecte ale vieții religioase românești, încadrate în contextul european, politic, cultural și spiritual, al secolelor XVII-XVIII. Sunt aspecte care reflectă domeniul imaginarului exprimabil prin ... -
State Debt of the Republic of Moldova as Essential Factor of the Country Risk
(“Dunarea de Jos” University of Galati, 2010)This paper discusses issues concerning of the state debt risk related to the Republic of Moldova and the determinants of the state debt in the context of the country risk. Special attention is devoted to analyzing the ... -
A Statement of the Reaching Inflation Target upon Price Stability in Romania
(“Dunarea de Jos” University of Galati, 2015)Price stability contributes to financial stability because it eliminates the market distortions and uncertainties which may occur at the markets’ level as a result of the price instability. Price stability can reduce the ... -
Static Analysis of Statcom for Enhancement of Voltage on Transmission Line
("Dunarea de Jos" University of Galati, 2013)The recent development of Power- Electronics controller introduces the use of various FACTS devices in power systems networks. FACTS devices can control the power system network condition in expediting manner and this ... -
Static Ananysis of the Structure Type Tank Thermally
(Universitatea "Dunărea de Jos" din Galați, 2013)This paper consider finite element analysis for structural analysis of a tank under thermal loadings. Geometric modeling is done in CATIA and for finite element analysis the author used FEA module in Catia. The aim is ... -
Static and Dynamic Analysis of Stress and Deformations of Răstolița Dam
(Universitatea "Dunărea de Jos" din Galați, 2016)Large Dams are a particularly important case of seismic risk assessment. On the one hand, the dams themselves have a high value, having implications for the whole economy, through the production of electricity, water ... -
Stationary Frame Active Power Filter Control Based on Multiresolution Analysis
("Dunarea de Jos" University of Galati, 2006)The paper presents an active power filter control method. The reference signal is generated in the stationary reference frame α-β using multiresolution analysis and the controllers used are P-resonant controllers, suitable ... -
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