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Afișează articolele 1901-1920 of 2993
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On the Potential of Using Fractional-Order Systems to Model the Respiratory Impedance
("Dunarea de Jos" University of Galati, 2006)This contribution provides an analysis of the human respiratory system in frequency domain by means of estimating the respiratory impedance. Further on, analysis of several models for human respiratory impedance is done, ... -
On the Prediction of the Strip Shape in a Cold Rolling Mill (1700 mm)
(Universitatea "Dunărea de Jos" din Galaţi, 2008)In this paper is shown a new way for predicting the precision of laminated strip in a cold rolling mill (1700 mm). The increasing demands on the quality of rolled strip; need new technology for monitoring the strip shape, ... -
On the Product-Time and Cost Estimation in the Market-Manufacturing System
(Universitatea "Dunărea de Jos" din Galați, 2010)This paper presents a product time and cost estimation method taking account the market dynamics and manufacturing system competitiveness. The method is based on the behavioral modeling using on-line unsupervised learning. ... -
On the Relationship between Export Activity and Size
("Dunarea de Jos" University of Galati, 2009-06)Together with the general and sector environment and various internal factors, firm size is one of the main groups of factors determining export activity. However, few works have examined this aspect, with the studies ... -
On the Rheological Behaviour of the soil in the Artificial Compacting Process
(Universitatea "Dunărea de Jos" din Galați, 2008)The artificial compacting of the soil is made mostly with machines with dynamical action such as vibrating plate, vibrating beater or vibrating drum. Their effect on the compacting process of the soil has two origins: the ... -
On the Snubber Influence to the Switching and Conduction Losses in a Converter Using Switched Capacitor
("Dunarea de Jos" University of Galati, 2002)The paper deals to design and to compute the snubber parameters influence on the switching and conduction losses of the transistors (IGBT) used as bidirectional switches in a converter with switched capacitor. The converter ... -
On the Stresses and Deflections Calculus in Bending the Cylindrical Naturally Twisted Bars, with Constant
(Universitatea "Dunărea de Jos" din Galați, 2011)The present paper deals with some aspects of the stresses and deflections calculus in case of the cylindrical, naturally twisted bars, with constant pitch, on the basis of assumptions on the linear-elastic behavior of ... -
On the Use of Approximate Numerical and Analytical Methods in Order to solve the Differential Equations that Describe Vibrations of the Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper makes a comparative study on the approximation errors of the solutions of the differential equations of second order using different numerical methods, a study which is assessed by the necessity of numerical solving ... -
On Tribological Behaviour of Thermo-Chemical Treated Steels after Thermo-Magnetic Treatments
(Universitatea ”Dunărea de Jos” din Galați, 2008)The paper presents an analysis on two grades of steel, subjected to nitrocarburized or nitrided thermo-chemical treatment after different thermomagnetic treatments. Based on the concept of tribosystem, pairs of steel rollers ... -
On Viscosity Variation with Temperature of Rapeseed Oil After Different Processing Stages
(Universitatea ”Dunărea de Jos” din Galați, 2009)In recent years, vegetal oils are carefully studied as they may constitute a category of basic raw materials for obtaining organic biodegradable lubricants. Rapeseed oil is seen as an alternative of mineral and synthetic ... -
On-Line Assessment of the Manufacturing Systems Copettiveness
(Universitatea "Dunărea de Jos" din Galați, 2011)A company is competitive on a certain market when it succeeds in reaching, up to an acceptable level, some economic indicators: turnover, profit, market share comparable or superior to that of other competing companies ... -
Open-Loop control of a Bipolar Stepper Motors Using the Specialized Integrated Circuits
("Dunarea de Jos" University of Galati, 2004)The paper describes the open-loop control of a stepper motors. Bipolar stepper motors can be driven with an L297, an L298N bridge driver and very few external components. With an L298N this configuration drives motors with ... -
Opera lui I. L. Caragiale - de la gazetărie la literatură
(Universitatea "Dunărea de Jos" din Galaţi, 2013) -
Operating Cash Surplus Determinations
("Dunarea de Jos" University of Galati, 2009-06)The paper defines the concept of operating surplus. Then, it is compared to the gross operating surplus and the differences are identified. The two calculation methods are presented next: (1) operating revenue less ... -
Operation Earning Power Modelling of the Manufacturing Process
(Universitatea "Dunărea de Jos" din Galați, 2012)In order to better represent the specified goal of the manufacturing process we propose (as a novelty) as a criterion the Earning Power (EP). It is both synthetic (because it reflects the essential motivation of the ... -
Operațiunile militare și regimul de ocupație al puterilor centrale în Judetul Brăila (1916-1918). Perspectiva surselor germane. Volumul I
(Universitatea "Dunărea de Jos" din Galați, 2018)Interesul istoricilor români și străini pentru scrierea unor lucrări despre participarea României la Primul Război Mondial este în creștere în ultimii ani, mai ales datorită apropiatului Centenar. Avem astăzi la dispoziție ... -
Operațiunile militare și regimul de ocupație al puterilor centrale în județul Brăila (1916-1918). Perspectiva surselor germane : Volumul I
(Universitatea "Dunărea de Jos" din Galați, 2018)Interesul istoricilor români și străini pentru scrierea unor lucrări despre participarea României la Primul Război Mondial este în creștere în ultimii ani, mai ales datorită apropiatului Centenar. Avem astăzi la dispoziție ... -
Oportunități de transformare a expertizei freelancerilor în inițiative antreprenoriale la nivel global
(Universitatea "Dunărea de Jos" din Galați, 2021)Teza de doctorat abordează oportunitățile de transformare a expertizei freelancerilor în inițiative antreprenoriale și are ca scop identificarea motivației freelancerilor de a trece la următorul nivel și anume acela al ...
