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Afișează articolele 2471-2490 of 2993
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Structuras of the Eutectoid Zn-Al Alloy Obtained by Directed Solidification
(Universitatea "Dunărea de Jos" din Galați, 2014)This work analyses the structure of the eutectoid Zn-Al based alloy directionally solidified, with cooling rates ranging between 8.5-0.4 oC/sec. During cooling, the temperature gradient in the liquidus zone, respectively ... -
Structure and Corrosive Firmness of Composition Materials on the Basis of Copper and Molybdenum got Method Electron-Beam TechnologyB
(Universitatea "Dunărea de Jos" din Galați, 2007) -
Structure Assessment by X-Ray Difractometry for Ceramic Materials used in Oral Prosthetic Systems
(Universitatea ”Dunărea de Jos” din Galați, 2009)The paper presents a difractometric analysis on two types of ceramics nowadays available on the market and frequently used in restorative dentistry: InLine (IVOCLAR) and Hera-Ceram (HAEREUS KULZER). The diffractograms ... -
Structure Characterization of Ca/Ba, Ca-FeSi Inoculated, Low Sulphur, Electrically Melted, thin Wall Grey Iron Castings
(Universitatea "Dunărea de Jos" din Galaţi, 2013)Much of the base iron in grey iron foundries is electrically melted in an acid lined induction furnace. The performance of the induction furnace allows superheating above 1500 oC, which is appropriate for thin wall casting ... -
Structure Effects Over Behavior of Graphite Gray Iron in Running
(Universitatea "Dunărea de Jos" din Galați, 2008)The work aims at emphasizing the structure changes of graphite gray iron, as a result of make-casting conditions and their effects over behavior in running of several cast items. Researches consisted of complex ... -
Structure of Management Information in SNMP
(2003)In this article we present the Structure of Management Information from SNMP, for all three versions of SNMP, as well as the main differences between them. In the first part, two version of SNMP are presented: version ... -
Structure-Properties Corelation in Sintered Hard Alloys with High Toughness and Strength
(Universitatea "Dunărea de Jos" din Galați, 2007)The researches effectuated until now in the field of sintered hard alloys based on metallic carbides have the aim to improve them properties through modifications of existing technologies and by creating other news ones, ... -
Structure-Property Correlation of Composite Materials Based on Cu-Mo obtained by PVD Method
(Universitatea "Dunărea de Jos" din Galați, 2013)The paper describes reviews referring to determination of working parameters of the development processes of composites in copper matrix, by vapour-phase deposition method. The molybdenum was used as complementary phase. ... -
Structured Surfaces used for Improving Tribological Behaviour for the Piston – Ring Cylinder – Liner Friction Couples in Internal Combustion Engines
(Universitatea "Dunărea de Jos" din Galaţi, 2007)Structured surfaces means the achievement of a rate, or controlled micro-geometry for one or both friction surfaces. These surface profiles are used to guarantee lubrication functions of transport, hoarding and spread of ... -
Structuri de sprijinire a afacerii şi rolul lor în dezvoltarea IMM-urilor
(Universitatea "Dunărea de Jos" Galaţi, 2012)În prezent se remarcă o preocupare destul de insistentă pentru performanţă la nivelul regiunilor şi valorificarea tuturor oportunităţilor legate de resursele zonei. În contextul marilor schimbări la nivel global, acţiunea ... -
Structuri mitice și simbolice în proza scurtă a scriitorilor șaizeciști
(Universitatea "Dunărea de Jos" din Galați, 2019)Teza de doctorat Structuri mitice și simbolice în proza scurtă a scriitorilor șaizeciști a urmărit studiul aprofundat al temelor, simbolurilor, arhetipurilor culturale reflectate în proza scurtă a scriitorilor Fănuș Neagu, ... -
Stucturi și forme literare / reprezentări ale feminității în nuvela românească pașoptistă
(Universitatea "Dunărea de Jos" din Galați, 2007-01)The tendency of the Romanian literature to synchronize with western European literature has been observable for a long time which highlights, in a special way, the woman status seen from a literary perspective. During the ... -
A Student Model in a Multi-Agent Intelligent System
("Dunarea de Jos" University of Galati, 2007)The paper presents an intelligent tutoring system which provides a Student Model using the “overlay method”. The system’s tasks are distributed among the intelligent agents (software agents), each having clearly specified ... -
Studies About Electrochemical Plating with Zinc-Nickel Alloys
(Universitatea "Dunărea de Jos" din Galați, 2007)The electrochemical deposition of zinc and combinations with elements of the 8th group of the Periodic System (nickel, cobalt, iron) have good properties for anticorrosive protection, compare with pure zinc. For steel ... -
Studies and Research Obtaining Bronze Filters Using Powder Metallurgy Methods
(Universitatea "Dunărea de Jos" din Galați, 2015)The article presents how to obtain porous bronze products using copper - based powder by powder metallurgy methods. The formation of tablets was done by free pouring the spherical powder into the mould, followed by their ... -
Studies and Research on Pipe Networks Water Losses
(Universitatea "Dunărea de Jos" din Galați, 2017)The issue of water losses in pipe networks (transmission mains, conveyance and distribution pipelines) is one of the major problems encountered in water supply systems management. The losses have reached very high values, ... -
Studies and Research on the Production of TiO2 and TiN thin Film by Assisted Physical Vapor Deposition Magnetron Process
(Universitatea "Dunărea de Jos" din Galați, 2017)The experimental research carried out in this paper aims at obtaining thin films of TiO2 and TiN and at characterizing them in terms of morphology, structure, transparency and electrical properties. The films were obtained ... -
Studies and Research on Treatment of Titanium Alloys
(Universitatea "Dunărea de Jos" din Galați, 2014)Titanium and its alloys have an extended use due to special properties. The paper highlights the TiZr alloy intended to manufacture prostheses, the influence of plastic deformation on the properties and structure. Applied ... -
Studies and Researches Regarding the Obtaining and Characterization of Composite Nickel Coatings-Ni/Al2O3, Ni/Kaolin Electrochemically Produced
(Universitatea "Dunărea de Jos" din Galați, 2016)This study presents the composite nickel coatings electrochemically obtained using as disperse phases Al2O3 particles and kaolin. There were used Watts electrolytes, with a pH = 4, current density of 4 A/dm2, a concentration ... -
Studies Concerning Energetic Consumption of Some Heating Equipments with Resistors
(Universitatea "Dunărea de Jos" din Galați, 2007)In order to increase the resistance of aluminium alloys a complex heat treatment is usually performed. Therefore, we must consider the reaction time between aluminium alloys and furnace atmosphera. These atmospheres ...
