Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions
Afișează articolele 481-500 of 1845
-
Electrical Properties of Ultra-Sonicated Epoxy Resin
(Universitatea "Dunărea de Jos" din Galați, 2015)As ultra-sonication is a mostly used method to disperse the particles into the polymer matrix, the aim of this study is to point out the effect of epoxy’s exposure to ultra-sounds over the electrical properties, especially ... -
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 ... -
Evaluated Work System and Environmental Risk for a Worker in Drilling for Methane Gas
(Universitatea "Dunarea de Jos" din Galați, 2015)Improving the safety and health at work is important not only in terms of human view, in order to reduce possibilities of accident to workers, but also as a way to ensure the success and durability work for a worker in ... -
Recovery of Copper from Waste Cables used in Electrical Appications
(Universitatea "Dunărea de Jos" din Galați, 2015)The recycling of copper cables wastes has as main objective the recovery of copper. The effectiveness of this operation is guaranteed by the following factors: infrastructure able to collect, select and sort these wastes; ... -
The Influence of the Steel's Surface Quality on the Electroless Ni-P Coatings
(Universitatea "Dunărea de Jos" din Galaţi, 2015)The method of autocatalytic reduction coating assures a precise reproduction of the coated surface. This is an advantage when the support surface has a complex geometry but also becomes a disadvantage because it requires ... -
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 ... -
Research on the Corrosion Resistance, in Saline Solution, of Steel Sheets for Industrial Construction, by Gravimetric Method
(Universitatea "Dunărea de Jos' din Galați, 2015)In this paper, it was presented a study on corrosion in saline medium, by gravimetric method, of the steel sheets for industrial construction. The corrosion rate was estimated by gravimetric method and evaluate based on ... -
Use of Alternative Fuels in Road Transport and its Environmental Effects. A Literature Review
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper presents a literature review on use of alternative fuels in road transport, in respect of their performance and emission in diesel engines/vehicles. The major limitations of vegetable oils as fuel in diesel ... -
Research Influence of Metallurgy Factors on the Quality of Metal Components in metal-Ceramic Prosthetic Restorations
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper summarizes the characteristics of the metal component in the structure of metal-ceramic fixed prostheses and the technological conditions for obtaining it. The paper presents partial results of an experimental ... -
Research on arisk Assessment of the Workplace in an Emergency County Hospital
(Universitatea "Dunărea de Jos" din Galați, 2015)In hospitals crisis conditions, in Romania, it is necessary along with the implementation of a correctly medical act, applied to patients and security measures relating to the employment for staff involved. The work shall ... -
Influence of Alloying Elements on Corrosion Resistance of Some Iron - based Sintered P/M Alloys
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper is described the influence of alloying elements on corrosion behavior of sintered iron parts. The compacts were sintered at 1,150 °C and the sintering time was 60 minutes. After microstructural studies, the ... -
Reducing the Sludge Quantity Ptoduced from Used Water Purification - a Source of Profit
(Universitatea "Dunărea de Jos" din Galați, 2016)This paper has its origins in the analysis of a real situation met in the Water Purification Plant from Cluj-Napoca city. The produced dehydrated sludge is about 70 - 80 tonnes / 24 hours, with a density that allows for ... -
The Level of Noise Pollution in University Campuses Administered by the University of 1 December 1918 in Alba Iulia
(Universitatea "Dunărea de Jos" din Galați, 2018)Sound pollution is becoming a major problem because of multiplying sources of noise. In this study, I will present the results of the noise measurements carried out in the four campuses of the 1 Decembrie 1918 University ... -
Aspects Regarding the Traceability in Temperature Measurements
(Universitatea "Dunărea de Jos" din Galați, 2016)The traceability of national standards to a reference measurement is essential to correctly translate the information about customer preferences described in international standards as a prerequisite which exists for the ... -
Experimental Shooting with Thor-1 Disruptor: New Type of Gas Device used to Neutralize improvised Explosive Devices
(Umiversitaea "Dunărea de Jos" din Galați, 2016)The paper presents experiments conducted with disruptor THOR-1, a new type of gas-dynamic device used to neutralize improvised explosive devices. Disruptor THOR-1 [1] was designed and practically built as a gas-dynamic device ... -
Static and Dynamic Analysis of Stress and Deformations of Răstolița Dam
(Universitatea "Dunărea de Jos" din Galați, 2016)Large Dams are a particularly important case of seismic risk assessment. On the one hand, the dams themselves have a high value, having implications for the whole economy, through the production of electricity, water ... -
Assessment of the Influence of Breakage Strenth Rocks by Cox Method
(Universitatea "Dunărea de Jos" din Galați, 2016)Analyzed according to the theory of continuous mechanics, medium rock massif is a natural environment difficult to know, so the forecasts referring to its behaviour are approximate and uncertain. Such an assertion becomes ... -
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 ... -
Behaviour of the Mobile Phones Owners Relating to the Management of Theyr Devices
(Universitatea "Dunărea de Jos" din Galați, 2015)Today mobile phones have become apparently indispensable. They are the most used electronic devices in the world. The useful life of a mobile handset is decreasing; life cycle is diminished as a result of the speed of ... -
Influence of Heat Treatment Technology on the Structure and Properties of Thick Sheet Steel ASTM14 Degree F
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper, based on the researches carried out a heat treatment technology can be determined which further lead to an optimum set of mechanical properties according to the technical conditions: A. Annealing (austenite ...
