Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu
Afișează articolele 1552-1571 of 1845
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Study on the Rheology of Corn Oil Subjected to Forced Oxidation
(Universitatea "Dunărea de Jos" din Galaţi, 2014)This paper reflects a study on the rheology of corn oil in unoxidized state, subjected to forced oxidation treatment. Using the Rheotest2 system, the variation of dynamic viscosity with temperature and shear rate, using ... -
Study on the Soil chemical Pollution in the Area of the Residual Bauxite Lake "Mineri"-Tulcea
(Universitatea "Dunărea de Jos" din Galați, 2017)The paper presents a study on the impact of chemical pollution of the soil, from residual bauxite lake, from "Mineri", in the areal of Tulcea. Soil samples were taken from the lake, and from the immediate area of the ... -
Study on the Specific Effects of Corrosion processes on Ancient Bronze Artefacts
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper presents the cases of the corrosion processes which take place on starting from the usage period when the primary patina is being formed and when the secondary patina starts, than continuing with the archaeological ... -
Study Regarding Gravimetrical Corrosion of the Superficial Layers Obtained Through Electrical Discharge
(Universitatea "Dunărea de Jos" din Galați, 2009)The experimental research was made on superficial layers laid-down through electrical sparking on the steel carbon OLC 45 probes, the used electrode being made from a corrosion resistant material (Copper). The probes ... -
Study Regarding the Implementation and Certification of a Social Responsibility Management System by Worldwide Enterprises
(“Dunarea de Jos” University of Galati, 2015)The objective of this paper is to highlight the current stage of implementation and certification of a corporate social responsibility management system in worldwide enterprises. To achieve the objective the author ... -
Study Related to improve Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)Worldwide, the series of attacks "with bomb" are the most common, accounting for over 80% of terrorist attacks. The many constructive solutions of Improvised Explosive Devices (I.E.D), would require for defusing sequence ... -
A Study Upon Traction Systems for Technological Machines with Auto Propulsion
(Universitatea "Dunărea de Jos" din Galați, 2003)This paperwork presents a comparison of traction systems used for heavy machines that needs to move on public roads. (construction devices, agriculture machines, etc.). Here are presented traction charts implemented on ... -
The Substitution and the Revenue Effects for a Cobb-Douglas Utility Function
(“Dunarea de Jos” University of Galati, 2010)In the consumer’s theory, a crucial problem is to determine the substitution effect and the revenue effect in the case of one good price’s modifing. There exists two theories due to John Richard Hicks and Eugen Slutsky ... -
Subsystem Strategy Setting for Iran Local Market: Benchmarking Approach
(“Dunarea de Jos” University of Galati, 2012)In this study, we used a comparative research on the selected countries in setting the local market to identify solutions for Market Regulation Subsystem. We initially identified the system of market regulating and ... -
Successful Models of Implementation of e-HRM Systems in the Private Sector in Romania
(“Dunarea de Jos” University of Galati, 2013)The essential condition for attaining excellence in the informatized administration of the Human Resources Management (HRM) activities is the development and implementation of high-performance e-HRM systems. For this ... -
Superficial Hardening with Pulse Laser Applied to ASTM A537 HSLA Steel
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The surface hardening with YAG:Nd pulse laser is used to obtain a set of surfaces with different properties and it is based on the formation of a very fine martensite. The paper has been elaborated based on laboratory ... -
Superior Valorisation of the Aluminium Scraps for Obtaining Complex Aluminium Master Alloys Used in Advanced Refining of the Steels
(Universitatea "Dunărea de Jos" din Galați, 2009)The research about aluminium scraps valorisation to obtain master alloys with reactive elements (Al, Mn, Si) used for special steels refining is presented in this paper. By this way the recycling of aluminium scraps leads ... -
Supervisory Control Technique for an Assembly Workstation as a Dynamic Discrete Event System
("Dunarea de Jos" University of Galati, 2001)This paper proposes a control problem statement in the framework of supervisory control technique for the assembly workstations. A desired behaviour of an assembly workstation is analysed. The behaviour of such a workstation ... -
Surface Hardening by Nitration for Some Stainless Austenite Steel Types
(Universitatea "Dunărea de Jos" din Galați, 2006)Stainless austenite steel types have a good resistance to corrosion in different natural, industrial environments but their hardness and mechanical resistance are low enough. In order to assure an increased resistance ... -
Surface hardening for Low Carbon Steel (A3k) by Yag: Nd Pulse Laser Thermal Activation
(Universitatea "Dunărea de Jos" din Galați, 2008)The paper is based on experiments for surface hardening on A3k (low carbon steel) samples using YAG:Nd pulse laser. A small x-y moving system conducted by PC was made for sample scanning, relative to fixed focused laser ... -
Surface Hardening of 40Cr10 steel After Short Time Nitriding in Fluidized Bed
(Universitatea "Dunărea de Jos" din Galați, 2006)The paper is based by nitriding in fluidized bed experiments over laboratory plant. Fluidization applications are characterized by high values of mass and heat transfer coefficients. For experiments were used 40Cr10 ... -
Surface Hardening Over 38MoCrA109 Steel by Yag:Nd Pulse Laser
(Universitatea "Dunărea de Jos" din Galați, 2008)Laser offers unique capabilities for high energy concentrations at small surfaces. Factors that have influences over interactions between laser beam and steel surfaces have very high control. Pulse laser YAG:Nd is usually ... -
Surface Hardenining for 38MoCrA109 Steel Using Fluidized Bed Nitriding
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The paper is based an nitriding experiments made in a fluidized bed laboratory furnace. Fluidization was obtained in a steel refractory retort by solid granular (burned fire clay) and fluid (mixture of ammonia and ... -
Surface Roughness Parameters Evaluation in Rolling/Sliding Wear TestsS
(UDJG, 2011)Rolling/sliding wear tests were performed on an Amsler test rig. Normal load (expressed as the Hertzian pressure) and the roll-slide ratio have been considered to have the most important influence in simulating gear ... -
Surface Roughness Parameters Evolution Under Fatigue Loading
(UDJG, 2010)The main objective of this paper is to demonstrate that in order to have a complete characterisation of fatigue degradation it is necessary to analyze the evolution of surfaces roughness, which can become a stress ...
