Căutare 1993 -2018 după Data publicării
Afișează articolele 421-440 of 552
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Antimicrobial Activity of Ag:Zno/Chitosan Composites
(Universitatea "Dunărea de Jos" din Galați, 2014)This paper deals with Ag, ZnO and Ag-doped ZnO nanoparticles embedded in chitosan (CS) matrix, prepared by hydrolysis of zinc acetate in isopropanol in the presence of lithium hydroxide (LiOH) in low temperature ... -
Research Regarding the Wear Level for a new Constructive Solution of a Cutting Tool
(Universitatea "Dunărea de Jos" din Galați, 2014)The paper presents a study of wear made to implement a constructive solution for a new cutting tool. The design of the cutting tool can be checked from a functional perspective, as well as reliability during the cutting ... -
Improving Biocompatibility of Co-Cr Alloy Used in Dentistry by Surface Modification with Electrochemical methods-Corrosion of Untreated Co-Cr Alloy in Solution with Different pH
(Universitatea 'Dunărea de Jos" din Galați, 2014)The use of metals and alloys in dentistry has seen remarkable progress due to the deep research on their biocompatibility or the application of advanced technologies to improve surface properties by controlling ... -
Funcţional Model of Savonius Type Vertical Axis Wind Turbine With Periodic Coupling of Adjacent Vertical Blades
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The field of HAWT (Horizontal Axis Wind Turbines) regarding the use of wind energy (WE) as a renewable energy source (RES) is well researched and the results are covering both the power range and efficiency. Deficiencies ... -
Policies for Economic Efficiency. Providing utilities in Public Administration
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The reality of the contemporary world has shown that there is an increasing interdependent power often turned into political pressure. Today, in Europe 25% of the imports of natural gas come from Russia. Therefore, ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea "Dunărea de Jos" din Galați, 2014)Neutralizing improvised explosive devices (handmade) by mechanical separation of the elements which are part of their composition can be achieved by the following methods: - generation of shock waves by means of the ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
(Universitatea 'Dunărea de Jos" din Galaţi, 2014)Neutralizing improvised explosive devices (handmade) by mechanical separation of the elements which are part of their composition can be achieved by the following methods: - generation of shock waves by means of the ... -
Analysis Frequencies of a Vibration-Type Structure Hall
(Universitatea "Dunărea de Jos" din Galaţi, 2014)Its main purpose was to identify natural vibration frequencies for a warehouse type structure in order to avoid resonance phenomena of the structure. The analysis is performed using the finite element analysis module of ... -
The Use of Ultrasound in the Treatment Process of Wastewater. A Reviuw
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper, different types of ultrasound devices for the treatment process of wastewater are presented. The use of ultrasound in treatment processes is a method of perspective, an alternative to conventional methods. ... -
Water-in-Diesel Emulsions as an Alternative Fuel for Diesel Engines. Part II: Performance of Diesel Engines Fueled with Water-in-Diesel Emulsions. A Literature Review
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper presents the recent advances of water-in-diesel emulsion fuel studies, especially the impact of using this emulsion fuel to the performance and emissions of diesel engine. Studies revealed that the onset and ... -
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 ... -
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 ... -
The Unusual Electomagnetic Proprieties of Fabric Reinforced Epoxy Composites
(Universitatea "Dunărea de Jos" din Galați, 2015)In this research, the electromagnetic behavior of four composite materials was investigated as an important issue of composite researchers is to control the electrical properties of polymer matrix composites. The four ... -
Compressive Behaviour of ultra-Sonicated Starch / Carbon Black / Epoxy Composites
(Universitatea "Dunărea de Jos" din Galați, 2015)Fillers are generally used in order to change some basic properties of polymer matrix but the filler particles often tend to aggregate with consequences in terms of the mechanical properties of the final composite. In ... -
Strength Analysis of a Composite Joint Used in Ship Structure
(Universitatea "Dunărea de Jos" din Galați, 2015)Low weight and high strength panels are always taken into account when designing materials for sandwich panel technology, which offers an efficient solution for different problems. Different types of sandwich panels are ... -
The Structural Design Improvement of a Twin-Hull Ship
(Universitatea "Dunărea de Jos' din Galați, 2015)The paper is focused on the strength analysis of the structure of twin-hull ships, particularly a passenger catamaran. Catamarans have some advantages against conventional monohulls: larger deck area and cargo volume, ... -
Contributions Regarding the Development of New Types of Solar Actuators
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents the authors’ contributions to the development of solar actuators with bimetallic band and Bourdon tube in the EMAD Research Centre of ”Ștefan cel Mare” University of Suceava. The solutions and the ... -
Solutions for Diagnosing Faults in an Asynchronous Motor Stator Through a Ferrofluid Installation
(Universitatea "Dunărea de Jos" din Galați, 2015) -
Environmental Risk Assessment for Thermal Power Plants
(Universitatea "Dunărea de Jos" din Galați, 2015)Thermal power plants still represent an important source of energy both in Romania and in Europe. Risks on the environment are primarily generated by the noxae generated from combustion of fossil fuels, namely: noxious ... -
Noise Levels in Workplaces of Cold Rolling Mill Plant
(Universitatea "Dunarea de Jos" din Galați, 2015)The excessive noise exposure is one of numerous physical hazards present in the steel industry. Considerable noise develops the steel strips rolling process. In this study are presented and discussed the noise levels at ...
