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

Afișează articolele 1452-1471 of 1845

    • South-East Region in Bulgaria: Economic Performance and Key Sectors Analysis 

      Golemanova, Antoaneta (Universitas Galatiensis, 2008-01)
      The present paper attempts to provide insight into the economic performance of the South-east region (SER) of Bulgaria by presenting quantitative relationships between sectors in the regional economy. Methodologically ...

    • The SPA Tourism Perception in Romania 

      Soare, Ionica; Zugravu, Gheorghe Adrian (“Dunarea de Jos” University of Galati, 2014)
      Tourism or geriatric-medical and wellness tourism are market segments that lately have registered significant increases. The need to define, organize, and promote these sectors. This item is intended to synthesize ...

    • Spatio-Temporal Dynamics in Celular Neural Networks 

      Goras, Liviu ("Dunarea de Jos" University of Galaţi, 2009)
      Analog Parallel Architectures like Cellular Neural Networks (CNN’s) have been thoroughly studied not only for their potential in high-speed image processing applications but also for their rich and exciting spatio-temporal ...

    • Specific Aspects of Modelling and Designing Gear Pumps 

      Goanță, Adrian Mihai (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 

      Argeşanu, Veronica; Popescu, Mihaela (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 

      Nicolau, Viorel; Popa, Rustem; Miholca, Constantin ("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 

      Şolea, Liviu Cătălin; Creţu, Romică (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 

      Pană, Teodor; Rusu, Călin ("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 

      Danilescu, Marcel; Mînzu, Marcel ("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 ...

    • Stability criteria for cellular neural networks 

      Danciu, Daniela; Răsvan, Vladimir ("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 ...

    • State Debt of the Republic of Moldova as Essential Factor of the Country Risk 

      Hîncu, Rodica; Suhovici, Ana; Bunu, Mariana; Gumovschi, Ana; Dascaliuc, Daniela; Roşca, Marcelina (“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 

      Preda, Larisa; Drăgoi, Elena Violeta; Constantinescu, Lucreţia Mariana (“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 

      Sunder, G; Ramareddy, S ("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 

      Petrea, Ionel (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 

      Toderaș, Mihaela; Danciu, Ciprian (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 

      Culea, Mihai; Dumitriu, Teodor; Nichita, Mihai; Munteanu, Traian ("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 ...

    • A Statistical Analysis of the Danube Flow Regimes in Brăila Harbour Area 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2015)
      It was in the frame of the „Restoration of the aquatic and terrestrial ecosystems complex, from Fundu Mare Island, part of the Small Wetland of Brăila - RAMSAR site 1074” project to look for solutions to improve the hydro ...

    • The Statistical Analysis of the Factoryal Influences Concerning the Dynamic of the Average Level for the Social Productivity of the Work in Romania 

      Opait, Gabriela (Editura Europlus Galaţi, 2010-01)
      We can to analyse the dynamic of the average level for the social productivity of the work in Romania, by means of the statistical methods with view of the factorial influences on the base of indexes numbers.

    • Statistical Analysis Regarding the Evolutions of the Euro Exchange Rate and the Dollar Exchange Rate, in Romania 

      Opait, Gabriela (Universitatea "Dunărea de Jos” din Galați, 2016)
      This paper reflects a the statistical modeling of the values concerning the annual averages of the euro exchange rate, respectively the dollar exchange rate in Romania, through by means of the „Least Squares Method”. The ...

    • Statistical Analysis through Factors Path Method 

      Opaiţ, Gabriela (“Dunarea de Jos” University of Galati, 2010)
      The present research reflects the importance in statistics of the „Factors Path Method” (FPM), which provides modern techniques for the reflection of the factorial influences over of the variation in time or space presented ...