Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 7-26 of 1845
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About Concrete Consolidation and Vibration
(Universitatea "Dunărea de Jos" din Galați, 2004)Proper vibration of fresh concrete is an important process in order to ensure optimum strength, durability, and appearance of quality precast products. Accepted practices in the precast industry are unique in some respects ... -
About Dynamic Stability Analysis of the Power Regulators With Exactly Hyperbolic Characteristic
(Universitatea "Dunărea de Jos" din Galați, 2003)Power regulators are attached devices of hydraulic pumps with variable capacity. Theses have the means to modify the pump capacity depending of the pressure from the circuit served by the pump. In this way, it result ... -
About Non-Autonomous Vibrations of Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2010)Non-linear vibrations of mechanical systems are described by differential equations of the second order, which are generally written .. . x f ( x, x,t ) 0 . In this work we study non-autonomous vibrations of mechanical ... -
About of the Analytical Exactly Solutions of the Differential Equations of the Non-Linear Oscillators
(Universitatea "Dunărea de Jos" din Galați, 2004)This work presents the manner of the solving of the non-linear differential equations from order II with the form &y& + p(t)y = q(t)y1-2a . These equations can characterize the excited vibrations of the mechanical ... -
About Phonic Isolation of the Mobile Equipment Cabin
(Universitatea "Dunărea de Jos" din Galați, 2008)This work presents vibration absorbing and damping solutions for operator cabin on construction equipment. Hereby, the operator cabin has to be considered accordingly. Vibration proof and sound proof materials applied ... -
About Signals' Spectrum
(Universitatea "Dunărea de Jos" din Galați, 2010)Due to this Fourier series exclusive interpretation applied to periodical signals, which shows that a stationary harmonic signal with a single pulsation cannot contain components of other pulsations but its own pulsation ... -
About the Free Parameter Vibrations of the Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2008)The oscillation movement of a mechanical non-linear system is not easy to solve exactly in an analytical way. The approximate solutions are based on different methods and give different values with different approximation ... -
About the Hysteresis-Loop of the Mechanical Oscillators
(Universitaea "Dunărea de Jos" din Galați, 2011)The work presents firstly the representation of the typical Hysteresis-loop as function between the indoor forces of the oscillator as friction and elastic forces dependant on displacement and, otherwise, as function between ... -
About the Parametric Modelling of the Protective structure Included in a Tractor Cabin in Order to Study its Protective Capability Using the Finite Element Method
(Universitatea "Dunărea de Jos" din Galați, 2014)The objective of the paper is the highlighting of the main aspects that are considered in parametric modelling of the protective structures included in a tractor cabin in order to study its protective capability, using ... -
About the Vibrations of the Mechanical Systems with Non-Linear Damping
(Universitatea "Dunarea de Jos" din Galați, 2009)This work will analyze the non-linear vibrations of the mechanical systems, actually the ones with non-linear damping. If we consider damping F( x,x ) x( k k x );k1,k2 R 2 = − 1 − 2 Î & & & then the differential ... -
Abstract Multi-Agents Used in Industrial Fault Diagnosis
("Dunarea de Jos" University of Galati, 2012)Industrial diagnosis systems aim to anticipate the occurrence of failures or, if failures have occurred, to detect them and identify their cause, based on observable symptoms captured by sensors from the process. In case ... -
Accountancy Modeling on Intangible Fixed Assets in Terms of the Main Provisions of International Accounting Standards
(“Dunarea de Jos” University of Galati, 2014)Intangible fixed assets are of great importance in terms of progress of economic units. In recent years new approaches have been developed, additions to old standards so that intangible assets have gained a reputation ... -
Accounting and Financial Reports in the Gambling Monopoly - Measures for a Moral Economic System
(“Dunarea de Jos” University of Galati, 2013)The state monopolies set over the gambling market are a propensity of society nature, actually of her moral fundaments, so the aim of this paper is to analyses gambling monopoly as a solution of moral economy. The term ... -
Accounting and Fiscality in the Ottoman Empire
(“Dunarea de Jos” University of Galati, 2013)The Ottoman Empire was an imperial superpower that manifested its domination in the Mediterranean zone between 1299 and 1922. At the moment of their maximum glory, the ottomans ruled over three continents, meaning 19,9 ... -
Accounting and Taxation Issues Concerning the Activity of Forest Exploitation in Romania
(“Dunarea de Jos” University of Galati, 2015)The activity of exploitation represents a main sector in the production process of the forest economy. This activity contains works of cropping, collection, transportation and processing of raw wood, by using production ... -
Accurate Localization of Communicant Vehicles Using GPS and Vision System
("Dunarea de Jos" University of Galati, 2009)The new generation of ADAS systems based on cooperation between vehicles can offer serious perspectives to the road security. The inter-vehicle cooperation is made possible thanks to the revolution in the wireless mobile ... -
Achieving the next level of Growth through Competitive Intelligence Practices: An Exploratory Study of Romanian Offshore Technology Service Providers
(“Dunarea de Jos” University of Galati, 2012)The paper explores the tool of Competitive Intelligence (CI) as an effective method of building one’s capability and focus and illustrates the benefits of gathering competitive intelligence by applying it on the top ... -
Acknowledging and Accounting for Employee Benefits
("Dunarea de Jos" University of Galati, 2009-01)Employee benefits are all forms of counter services granted by an entity in return to services given by the employees. This category includes only the benefits covered by the entity, not those from the state or the ... -
Acoustic Absorption Coefficient Variationof Sound Absorbing Structures and Materials
(Universitatea "Dunărea de Jos" din Galați, 2008)The task of this work is the acoustic absorption coefficient variation study of sound absorbing structures and materials. Three construction equipments have been considered according to their different cabin design. ... -
Acoustic and Parametric Studies of the Experimental Radial Sonic Generator
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In this paper the parameters of the acoustic field were studied experimentally,along with the frequency produced by the generator and the circular diagram of the generator’s acoustic emission, the influence of the nozzle’s ...
