Căutare 1993 -2018 după Autor "2f822353-b80c-432e-bab6-e048b868a360"
Afișează articolele 1-20 of 27
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Aspects Regarding the Biocorrosion of the Paper Manufactured Machines
Stanciu, Constantin; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2005)This paper presents the main microorganisms causing biocorrosion, the concentration, their effects and a series of measures for their reduction. The conclusion is that the sulpho-reducing bacterius are responsible for ... -
Aspects Regarding the Widia Plates Behaviour Covered with TiN During the Cutting Process
Gaita, Mihai; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2005)The microscopic property that depends on the interfacial structure and on the tension to which the interface is submitted is called adherence. The strong connection in the interfacial area, low tension gradients, the ... -
Behaviour of Some Important Components in a cold Rolling Mill
Dragomir, Ştefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galaţi, 2008)For a good behaviour of mill parts and accurate functioning it is necessary to have an integrated system for all mill tandem. It is important to know the speed controls and strip tension in correlation with torque, ... -
Characterization of Archaeological Objects Coming from Moldovian Settlements in the XIV Century
Potecaşu, Mihaela; Bordei, Marian (Universitatea "Dunărea de Jos" din Galaţi, 2014)This paper presents the characterization, from the materials science point of view, of an object found in an archaeological vestige of the 14th century. The object studied (an iron nail used in constructions) proves that ... -
Design of a New Type of Gas-Dynamic Disruptor Used to Neutralize Improvised Explosive Devices
Bălan, Vasile; Bordei, Marian (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 ... -
Estimation of the Metallurgical Industry Impact on the Environment
Ciurea, Aurel; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2005)Objectively, the ecosystem in its development and working implies the accumulations on of some nonconcordances. Summing these disfunctions without taking into consideration their attenuation, may lead to producing, achieving ... -
Evaluated Work System and Environmental Risk for a Worker in Drilling for Methane Gas
Dragomir, Ștefan; Bordei, Marian (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 ... -
Experimental Shooting with Thor-1 Disruptor: New Type of Gas Device used to Neutralize improvised Explosive Devices
Bălan, Vasile; Bordei, Marian (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 ... -
Experiments on Ballistic Tests for Improving Performance of a Neutralizing Gas Dynamics System
Bălan, Vasile; Bordei, Marian (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
Bălan, Vasile; Bordei, Marian (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 ... -
Improving of Functional Parameters for Pressure Casting Machine with High Degree of Finishing
Dragomir, Ștefan; Neacșu, Marian; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents a mathematic model of static and dynamic characteristics for casting machine. This machine has a hydraulic action for the casting chamber (her closing and introducing of molten alloy). This action is ... -
Measurement and Analysis of Vibrations on a Cold Rolling Mill for Steel Strip
Dragomir, Ștefan; Diaconu, Nicolae; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2012)In this paper the authors made measurements and registration of vibration by using accelerometers posted on the top backup rolls. This is a new way for predict the damage in the rolling mill equipment and the precision ... -
Measures to Optimize Job Security "Crane machinists who Transport Liquid Steel"
Drăgan, Viorel; Dragomir, Ștefan; Bordei, Marian (Universitatea "dunărea de Jos" din Galați, 2013)The starting point in optimizing the prevention of occupational accidents and occupational diseases for a crane machinist for the transport of liquid steel is the risk assessment of the system. Risk assessment involves ... -
On the Prediction of the Strip Shape in a Cold Rolling Mill (1700 mm)
Dragomir, Ştefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galaţi, 2008)In this paper is shown a new way for predicting the precision of laminated strip in a cold rolling mill (1700 mm). The increasing demands on the quality of rolled strip; need new technology for monitoring the strip shape, ... -
Performance Management System for purifyng Polluted Industrial Water
Dragomir, Ştefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galaţi, 2012)In this paper we show an integrate system of water management and an efficient solution that is a floating dock, placed in the harbour area. Water quality is one of the most important elements for life support and ... -
Performing System for Purifing Waste Water
Dragomir, Ștefan; Dragomir, Georgeta; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2010)Status of water pollution can be controlled and reduced. For this purpose it uses two types of processes, applied more or less consistently by the management and technical design. The first group of processes is characterized ... -
R.N.U.R. Method of Risk Assessment Based on Ergonomic Criteria. Case Study: Crane Maintenance Electrician
Vasiliu, Adrian; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2013)This paper presents a case study on the evaluation of a job (electrical maintenance) in AMG plant through a less used method in Romania, respectively Renault method, used especially in France. Means of work are analyzed ... -
Research About the Vibration Parameters for a Cold Rolling Mill Machine
Dragomir, Ștefan; Dragomir, Georgeta; Bordei, Marian (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 on arisk Assessment of the Workplace in an Emergency County Hospital
Dragomir, Ștefan; Bordei, Marian (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 the Operation of Commercial Vessels with Compressed Air
Dragomir, Ștefan; Bordei, Marian (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, ...