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Afișează articolele 1831-1850 of 2993
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New Welding Techology-The Cold Welding on Cogged Surfaces
(Universitatea "Dunărea de Jos" din Galați, 2007)Welding by cold pressing on cogged surfaces, produces the joint of a component made from an easy deformable metal by pressing on the cogged surface of a harder metal component. Different welds between aluminium (the ... -
Ni-P Coating on Steel Support by Electroless Method
(Universitatea "Dunărea de Jos" din Galați, 2017)The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The ... -
Nitrogen Influence on Indentation Fracture Toughness of Stainless Steel Coatings
(Universitatea ”Dunărea de Jos” din Galați, 2008)This paper studies some aspects of coatings fracture theory and the possibility of extending Lawn’s equation from Vickers indenter geometry to the Rockwell one. Indentation tests were performed on stainless steel coatings ... -
"Noaptea de Sânziene"-palimpsest al textelor eliadești
(Universitatea "Dunărea de Jos" din Galați, 2018)Situarea culturii noastre într-o zonă marginală a Europei Central-Estice face ca prezența numelor românești în panoplia laureaților premiului Nobel să fie atât de rară. Din când în când, orgoliul nostru, al celor născuți ... -
„Noaptea de Sânziene” – palimpsest al textelor eliadești
(Universitatea "Dunărea de Jos" din Galați, 2018)Prima decadă a exilului voluntar în Occident, îi adusese lui Eliade publicarea unui număr destul de mare de cărți și articole din sfera istoriei ideilor și credințelor religioase, punţi de legătură între Orient și Occident, ... -
Noise and Vibration Protective Solution Analysis for Technological Equipments
(Universitatea "Dunărea de Jos" din Galați, 2010)This paper presents a cumulative and comparative analysis, concerning the noise and vibration pollution and protective approaches, monutoring the construction technological equipments. By means of the computer simulations, ... -
Noise Levels in Workplaces of Cold Rolling Mill Plant
(Universitatea "Dunarea de Jos" din Galați, 2015)The excessive noise exposure is one of numerous physical hazards present in the steel industry. Considerable noise develops the steel strips rolling process. In this study are presented and discussed the noise levels at ... -
Noise Study of a Naval Ship in Different Operating Modes on the Danube
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper are described the experimental measurements of noise transmitted to the staff from a naval ship during different operating modes on the Danube. This paper is focused on the technical aspects of the Directive ... -
Non-Conventional Method for Friction Compensation in DC Drive Position Tracking
("Dunarea de Jos" University of Galati, 2006)Friction, especially its nonlinear components, may degrade the tracking performance of any servo drive systems. Focused on high precision positioning of DC electrical drive the paper proposes an easy method to compensate ... -
Non-Linear Dynamic Behavior of a Ball Float Valve
(Universitatea "Dunărea de Jos" din Galați, 2012)The dynamic behavior of the spherical body floating in a liquid, part of a ball float valve, is analyzed from the point of view of the dynamic systems theory. The study of the motion illustrates the differences between ... -
Nonlinear Approaches Regarding Mechanical and Thermal Behaviour of Visco-Elastic Vibration on Isolators
(Un, 2013-10-01)Thermal effects inside the vibration elastomeric isolators have usually been neglected and this aspect can leads to certain differences between simulations and experiments. Continuous damping during the working cycle ... -
Noțiuni și concepții privitoare la corelarea normelor juridice în cadrul sistemului de drept
(Universitatea ,,Dunărea de Jos" din Galați, 2007-01)Orice societate îşi întemeiază structura şi funcţionalitatea pe baza unui model unic, normativ şi cultural, constituit dintr-un ansamblu de valori, norme, reguli, îndatoriri, cutume şi uzanţe, care asigură atât stabilitatea ... -
A Noval Comparison of Class D and Class E Inverter Based High Frequency Application
("Dunarea de Jos" University of Galati, 2011)This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented. -
A Novel Analysis of Class e Inverter Based Induction Heating System
("Dunarea de Jos" University of Galati, 2010)This paper deals with the simulation and implementation of class E inverter based induction heater system. Class E inverter is analyzed; simulated and implemented. Utility frequency AC Power is converted into high frequency ... -
A Novel Feature Extraction Method for Isolated Word Recognition Based on Nested Temporal Averaging
("Dunarea de Jos" University of Galati, 2006)A novel preprocessing method is proposed. It has a reduced complexity and therefore is aimed to be used in low power, VLSI implemented, speech recognizers. Our algorithm extracts a feature vector made from up to 3 feature ... -
A Novel Parametric Model for the Human Respiratory System
("Dunarea de Jos" University of Galati, 2003)The purpose of this work is to present some recent results in an ongoing research project between Ghent University and Chess Medical Technology Company Belgium. The overall aim of the project is to provide a fast method ... -
A Novel ZCS-ZVS Hybrid Bidirectional DC-DC Converter for Fuel Cell and Supercapacitor Application
(The Annals of "Dunarea de Jos" University of Galati, 2010)This paper proposes a novel ZCS-ZVS hybrid bidirectional DC-DC converter based on fuel cells and supercapacitor devices. The described converter employs only one high frequency transformers to couple the half-bridge and ... -
Numerical and Experimental Investigations Upon Articular Cartilage Mechanical Hysteresis
(UDJG, 2010)The paper presents biomechanical and tribological considerations upon articular cartilage. The experimental in vitro results from static and dynamic contact tests are presented together with numerical modelling of the ... -
Numerical Evaluation of Reliability Indicators Under Optimal Renewal Strategies
("Dunarea de Jos" University of Galati, 2012)This paper investigates the opportunity of using a numerical procedure for computing the renewal parameters of an equipment. The reasons of this approach reside in the sampled way we measure the process variables and the ...
