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Afișează articolele 2785-2804 of 2993
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The Laboratory Experiments Regarding the Intercritical Heat Treatments Applied an the Low-Alloyed Steel
(Universitatea "Dunărea de Jos' din Galați, 2006)The paper presents the research results regarding the influence of the intercritical thermal treatments carried out on some hypoeutectoid steel castings. The purpose of this research at the laboratory scale is to ... -
The Level of Confidence for a Ship Hull Girder
(Universitatea "Dunărea de Jos" din Galaţi, 2007)Structural estimation consists in a set of activities done to certificate security and reliability of an existing ship for its residual service life. Depending on ship’s type and damages, there are alternatively evaluation ... -
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 ... -
The Management of Work Risk for a Plate Rolling mill Machine
(Universitatea "Dunărea de Jos" din Galați, 2013)Arcelor Mittal is the leader on important iron and steel global markets. This company has a performant system for research, for iron and steel plate production and has a top network for distribution, too. The company ... -
The Mechanical Low Frequency Signal Reconstruction by it's Spectral Components
(Universitatea "Dunărea de Jos" din Galați, 2007)This paper is a point of view of a new way of signal reconstruction through it’s spectral components. Sampling theory is analyzed from different perspectives, what means if for technical reasons the time can’t be sampled ... -
The Mechanism of Phase Transformation to Obtain Zinc-Iron Coatings
(Universitatea "Dunărea de Jos" din Galați, 2009)Important changes in the ratio of constitutive phases take place during heating of galvanized parts due to Zn coating layer changed into Zn-Fe alloy. The work deals with a mathematical correlation between diffusion ... -
The Method for Remote Control of a Mechatronic System, Based on a Bluetooth Module
(Universitatea "Dunărea de Jos" din Galați, 2015)The paper presents a mechatronic system programmed and controlled by a PLC. The mechanical structure consists of a Dc motor and pneumatic actuators. The Control from short distance is necessary in many industrial appl ... -
The Model of the Forging Hammers Like System with three Degree of Freedom
(Universitatea "Dunărea de Jos" din Galați, 2004)Forging hammers cause very high vibration levels, so vibration control is advisablein nearly all cases. For this reason, in present exist recearch with the object of to decrease and eliminate the shocks and vibration ... -
The Modern State of Works in Field of Electron-Beam Technology of Melting and Evaporation of Metals and Non-Metals in a Vacuum
(Universitatea "Dunărea de Jos' din Galați, 2008)In developing of new processes for growing metal (composite) films, the main attention is given to controlling the metal vapour flows: through energy state of the condensing particles, their molecular composition, ... -
The Monitoring of Chattering in Cold Rolling Mill System with Stands for Thin Strip
(Universitatea "Dunărea de Jos" din Galați, 2007)Each system (stand – driving) and the continuous rolling line to which it belongs have its own functional and energetically parameters. To reduce any faults of the strip surface it is also necessary to check (eventually ... -
The necessity of adopting a communitarian regulation regarding human rights
(Universitatea ,,Dunărea de Jos" din Galați, 2008-01)One of the basic principle of the European Union and the essential condition on which is based its legality is the respect of the fundamental rights. The Court of Justice reaffirmed in many turns this obligation of the ... -
The Neuber’s Rule and a Correlation Between Fretting Fatigue and Plain Fatigue
(UDJG, 2010)Based on these experimental observations and on the remark that any small change on the discontinuity geometry has a significant effect on the stress distribution around it, a stress concentration factor is mandatory to ... -
The Noise at Work and the Professional Diseases
(Universitatea "Dunărea de Jos" din Galați, 2007)This article describes the effects of workplace noise and outlines the main steps that should be taken to reduce and control noise at work. Exposure to noise at work can harm workers’ health. The most wellknown effect ... -
The Nonlinear Behavior Identification of the Dynamic Insulation Systems Used in Viaduct Structure
(Universitatea "Dunărea de Jos" din Galați, 2012)Because of the destructive effects of seismic movements on bridges and viaducts, it was required to embed the structure of seismic devices with the role of maintaining structural integrity and post-seismic functionalit ... -
The Numerical Pretend of Behavior in a impermanent system of Slow Hydrostatical Motive with Radial Pistons and Multiperiodics Sinusoidal Cams
(Universitatea "Dunărea de Jos" din Galați, 2006)The work is approaching theoretical and experimental appearances in concerning static and dynamic characteristics of slow hydrostatical motive with radial pistons. Is presented the static model of characteristics of flow ... -
The Operational Space's Micro-Geometrical Analysis of the R I R II Kinematics Chain
(Universitatea "Dunărea de Jos" din Galați, 2009)In order to systematize the three monomobile coupling kinematic chains was essential to find criteria which eliminate those coupling which are inefficient, from the mobility point of view. It is embraced, as main ... -
The Parametrical Free Vibrations of Elastic Systems, the Analytical Exact Solutions
(Universitatea "Dunărea de Jos" din Galați, 2012)The movements of many material systems can be described by differential equations that have coefficients that depend on time. It is difficult to determine the solutions of these equations. Although many concrete problems ... -
The Possibilities of Increasing Efficiency and Confidence of the Calculations for Hydraulic Cylinders Provided with Cushioning System at System at end of Race
(Universitatea "Dunărea de Jos" din Galați, 2012)Working with specialized software, fluid flow analysis has the disadvantage of being time-consuming. Also, modern computers are needed. This paper presents a way of combining simulation with specialized programs of ... -
The Power Balance During Cushioning for Hydraulic Cylinders
(Universitatea "Dunărea de Jos" din Galați, 2011)Cylinder hydraulic brake systems to stop the stroke are built with moving parts to reduce the impact intensity. For correct sizing of hydraulic cylinder cushioning system it is necessary to know how components participate ... -
The Pre-Biblical Metallurgical ART on the Biblical Territory
(Universitatea "Dunărea de Jos" din Galați, 2013)The Old Testament describes in detail the metallurgical achievements, both in the period before the conquest and colonization of the promised land (mostly related to the manufacturing of the Tabernacle, in this sense, ...
