Căutare Fascicula IX după Titlu
Afișează articolele 88-107 of 552
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Corrosion of Bronze Art Objects and Methods of Restoration
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents a study of the corrosive state of sculptures and art objects made from copper and bronze, the equipment used to detect and study defects and the methods and solutions for restoring the art object ... -
Corrosion of Composite Ferro-Niobium Layers in Cobalt Matrix
(Universitatea "Dunărea de Jos" din Galaţi, 2012)The ferro-niobium composite layers in cobalt matrix were obtained by cathode depositing from electrolyte solutions on steel base. The electrolyte included in its composition cobalt sulphate and cobalt chloride, boric ... -
Corrosion Resistance of the Composition Materials System (Cu-Al)-Mo, Obtained by the EB-PVD Method
(Universitatea "Dunărea de Jos" din Galați, 2005)For development of new composition materials for the electric contacts, which would differ by high electric conductivity, mechanical properties, corrosive and erosion resistance in conditions of high temperature’s ... -
Corrosion Resistance of Zinc Coated Steel in sea Water Environment
(Universitatea "Dunărea de Jos din Galați, 2015)The life time of metallic materials used in naval transport industry is influenced by their corrosion resistance. For utilization in shipbuilding and offshore construction, metallic materials need to be covered with ... -
Critical Analysis of "Maximum Stress Failure"
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper deals with critical considerations upon different points of view that were enounced by some authors referring to Maximum Stress Failure Criterion for composite materials. The considerations stem both from a ... -
Decorative composite Layers
(Universitatea "Dunărea de Jos" din Galați, 2008)Part of the materials used in the chemical industry, metallurgical, machine construction, can be coated, as with time it occurs either a decrease of its properties, or even a process of advanced faulting, because of the ... -
Deposition Technologies for Obtaining thin Films with Special Properties
(Universitatea "Dunărea de Jos" din Galați, 2015)The properties of metallic materials can be improved by deposition of materials. The coating has a tear strength and better hydro-abrasive corrosion. The thin layer deposition has a thickness of less than 10 micrometers. When ... -
Design and Flow Modelling of Ballast Tank in-Line Ejector
(Universitatea "Dunărea de Jos" din Galați, 2016)The purpose of this paper is to present the stages of designing a water in-line ejector used for ballast tanks stripping operation. The design operation was performed using NX Siemens CAD and ANSYS 15 for computer fluid ... -
Design of a New Type of Gas-Dynamic Disruptor Used to Neutralize Improvised Explosive Devices
(Universitatea "Dunărea de Jos' din Galați, 2016)The paper presents a type of recoilless disruptor developed according to the studies of two disruptors performance and shortcomings currently used DR2 and RICHMOND, respectively. In creating the new disruptor, there were ... -
Detailed Microcontroller Architecture Based on a Hardware Scheduler Engine and independent Pipeline Registers
(Universitatea "Dunărea de Jos" din Galați, 2015)In the world of real time operating systems, task switching, communication between threads and synchronization are implemented in software. Some of the mechanisms used may introduce big latencies in task recurrence, task ... -
Determination of Glass Transition Temperature for Polyester/Graphene Oxide and Polyester/Graphite Composite by TMA and DSC
(Universitatea "Dunărea de Jos" din Galați, 2015)The influences of oxide grapheme and grapheme in thermosetting polymer composites are complex and they very much depend on the chemical bonds formed between the additives and the polymer matrix. This study has used ... -
Development of Blade Design for Small Hawt Adapted for Lower Values of Wind Speed
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper aims at studing, theoretically and experimentally, the influence of turbines blade profile on output power, in order to decrease effective domain to smaller wind speed, specific to Galati area. Studies have ... -
Dimensional Changes in Some Iron-Based Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galați, 2015)The purpose of this paper is to present the dimensional changes in some ironbased (P/M) alloys. The specimens produced from atomized iron powder and alloyed powder with different sizes (< 45, 45-63, 63-100, 100-150, >150 ... -
Dual Priority Scheduling Algorithm Used in the nMPRA Microcontrollers-Dynamic Scheduler
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper is a follow up of an already published paper that described the static scheduler. It deals with a true dynamic scheduling algorithm that is meant to maximize the CPU utilization. The dual priority algorithm ... -
Dust Emissions from an Integrated Steel Mill in Correlation with Human Exposure and their Adverse Health Effects
(Universitatea "Dunăreade Jos" din Galați, 2013)Many of the metallurgical operations contribute to generation of the dust emissions if these are not properly controlled and managed. The relevant sectors as important sources for airborne dust are: coke oven plant, ... -
Dynamics of Nutrients in Aquatic Ecosystems: The Case Study of Ciric Basin River at Nord of Iași City
(Universitatea "Dunărea de Jos" din Galați, 2014)A 1 year dynamics of two biologically limiting nutrients (N and P) has been carried out in the Ciric basin river at nord of Iasi City. The total nitrogen concentrations varied from 7.55-17.55 mg N/L and total phosphorus ... -
Ecotechnologies-A Major Route for Durable-Sustainable Development in the Metal Materials Industry
(Universitatea "Dunărea de Jos' din Galați, 2016)The paper shows that the durable and sustainable development depends on the quality of the events occurring in the convergence area between the natural ecological system (N.E.S.) and the technological system (T.S.) ... -
EDX Analysis of Laser Cladding Layers with Ni-Cr-B-Fe-Al Alloy
(Universitatea "Dunărea de Jos" din Galați, 2009)Multilayer cladding by injection of powder with 8.9% Cr, 4.5% Fe, 5.1% B, 2.4% Al, 0.6% Cu, Ni rest as chemical composition, in melted bath by a continuous wave CO2laser connected to x-y-z coordinate table was tested in ... -
Effect of an a Oxy-SulPhide Inoculant Enhancer on Graphite Parameters in the Mould Inoculated Compacted Graphite Cast Iron
(Universitatea "Dunărea de Jos" din Galaţi, 2014)In compacted/vermicular graphite cast iron production, inoculation is applied to limit the formation of carbides, but usually this treatment also promotes nodular graphite with improved nodularity. The main objective of ... -
Effect of Current Density on Morphology and Corrosion Resistance of Epoxy Resin/Zn Layers
(Universitatea "Dunărea de Jos" din Galați, 2013)In this research we intended to obtain and characteriz composite layers by using epoxy resin (disperse phase) electrodeposited with zinc (metal matrix). The epoxy resin/Zn layers were electrodeposited at two values of ...
