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Afișează articolele 2177-2196 of 2993
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Reproducerea și creșterea șalăului (Sander lucioperca, L., 1758) în sisteme industriale de acvacultură
(Universitatea „Dunărea de Jos” din Galați, 2022)Acvacultura, este domeniul ce are ca scop creșterea de animale și plante acvatice în vederea comercializării și care a înregistrat în ultimile trei decenii, cea mai rapidă evoluție pe plan mondial dintre toate ramurile ... -
Republica Moldova între Est şi Vest. Vectori şi agenţi ai schimbării de atitudine politică (1991 – 2016)
(Universitatea "Dunărea de Jos" din Galați, 2019)Aceasta lucrare doctorala analizeaza in mod sistematic evolutia Republicii Moldova in primul sfert de secol de independenta dupa disolutia Uniunii Sovietice. Perioada 1991 – 2016 este explicata din prisma unei analize ... -
Reseaeches Regarding the Elements Loss Through vaporization During the Elaboration Process LD Converter
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents a series of researches regarding the vaporization of the component elements of the metallic bath and slag during refining in LD converter. Also, the main factors which influence the vaporization process ... -
Research about Roughness resulted at Steel Turning and the Correlation with Piece Surability
(Universitatea "Dunărea de Jos" din Galaţi, 2007)For achieving this study the background of the research in correlation domain between roughness and piece durability are used. This paper performs a new research direction about the roughness, considered such volumetric ... -
Research About the Vibration Parameters for a Cold Rolling Mill Machine
(Universitatea "Dunărea de Jos" din Galați, 2006)By using the equipments of vibration measurement we can fight against the damages (strip undulation and thickness variation on the length) who is show in while of mill work. The amplitude of vibration parameters determine ... -
Research Concerning the Influence of Heat Treatment on Physical and Mechanical Properties of Aluminium Based Alloys
(Universitatea "Dunărea de Jos" din Galați, 2006)This work presents the experimental results concerning the behavior on heat treatment of on aluminum based alloy belonging to the class of aluminum alloys deformable and harden by heat treatment. The laboratory level ... -
Research Concerning the Influence of Laser Cladding on the Operating Charactersitics of the Surface Layers Obtained from High-Speed Steel Powder
(Universitatea "Dunărea de Jos" din Galați, 2013)The paper presents the corrosion behavior of laser cladding layers in 0.5 M NaCl along with a durability test, compared with samples made of clasically hardened HS6-5-2 steel. The higher characteristics of the laser ... -
Research for Realize the Configuration of Wind Energy Turbine
(Universitatea "Dunărea de Jos" din Galați, 2008)For already quite some time, the word energy has received a somewhat negative connotation. Some circles want to make us believe that energy is something that one should have disgust for; a necessary evil that should be ... -
Research in industrial trials to Improve Through-Thickness Z35 Properties of Hot Rolled Heavy plates up to 60 MM Thickness for Structural Steels
(Universitatea "Dunărea de Jos" din Galați, 2016)The main purpose of this industrial experimental rolling, done in ArcelorMittal Galati in the Heavy Plate Mill is to check the correlation between mechanical properties and the microstructure of chemical compositions ... -
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 Issues on Punch - Circular Plate Elastic Contacts
(UDJG, 2010)Circular plates enter into the category of finite dimension bodies. Solutions regarding the displacements and stresses, which appear at the contact involving finite dimension bodies and also numerical and analytical results ... -
Research on Abrasive Wear Behaviour of laser Cladding Lyers with Aluminum Bronze Powders
(Universitatea "Dunărea de Jos" din Galați, 2014)The paper presents the wear behaviour on rotating disk with abrasive paper of laser cladding layers with aluminum bronze powders compared with steel samples and aluminum bronze classically quenched. The hardness and wear ... -
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 ... -
Research on Chemical Deposition of Silver with Antibacterial Role in Implantology
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents a synthesis of the laboratory research on the conditions of achieving chemical deposition of silver on oral implants made of Ti base alloy (bioalloy Ti10Zr). There were used several chemical deposition ... -
Research on Obtaining and Characterization of Polymeric Membranes for Wastewater Treatment
(Universitatea "Dunărea de Jos" din Galați, 2016)Some of the most common polymeric membranes are used in wastewater treatment. Over the years, these membranes have been studied from different points of view: their aim to improve the retention of impurities, membrane ... -
Research on Surface Roughness by Laser Cut
(Universitatea ”Dunărea de Jos” din Galați, 2006)Laser cutting is one of the most industrial applications. Laser cutting with oxygen is used primarily for cutting of mild and low-alloyed steels. Cut surface quality is a very important characteristic of laser cutting that ... -
Research on the Behaviour of the Tooth-Crown Assemblies Made of Different Metal Materials in Solutiond Simulating the Oral Environment
(Universitatea "Dunărea de Jos" din Galați, 2015)One of the basic principles of restorative dentistry is the conservation of the hard dental structure, while satisfying both aesthetic and functional requirements. Complying with this principle will minimize the harmful ... -
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 ... -
Research on the Influence of the Complementary Phase Percentange on the Properties of Copper-Based Composites
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The article presents the method to obtain copper matrix composite with Cu- Al-Fe alloy particles as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of complementary ... -
Research on the Operation of Commercial Vessels with Compressed Air
(Universitatea "Dunărea de Jos" din Galați, 2016)Regarding the reduction of the carbon dioxide emissions in the atmosphere, this paper is going to present a system of propulsion with compressed air used for medium-sized commercial vessels. In the transport domain, ...
