Afișează articolele 290-309 of 552

    • Object Oriented Architecture for Product Information System Engineering 

      Rahali, Bilel; Abou Harb, Alaa (Universitatea "Dunărea de Jos" din Galați, 2017)
      The product information system is an organizational device for regulating the creation, circulation, use and evolution of the information assets of the product definitions. It refers to all the information that defines ...
    • Obtaining and Characterisation of Thermoresistive Pigments 

      Sandu, Andrei Victor; Vasilache, Violeta; Sandu, Ion; Saviuc, Mihaela; Sandu, Ioan Gabriel; Popa, Ioan Marcel (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper describes the obtaining and chemical and physico-structural characterisation of a green thermoresistive pigment. The pigment is made of ZnO dopped with Sb, Bi, Cr, Co and Fe oxides and it is used at mosaics and ...
    • Obtaining and Characterizing TIN-LEAD Coatings on Steel Band 

      Radu, Tamara; Ciocan, Anişoara; Vlad, Maria (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      The experimental research was at the basis of the hot immersion coating technology with Sn-Pb alloy of the steel bands presented in the study. The characterization of these layers was achieved through microscopic analyses ...
    • Obtaining and Studying Tensile Strength for Non-Precious Alloys Based Cobalt 

      Minciună, Mirabela Georgiana; Vizireanu, Petrică; Achiței, Dragoș Cristian; Goanță, Viorel; Toma, Ștefan; Bălțatu, Mădalina Simona (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper presents aspects of obtaining non-precious dental alloys of Co-Cr-Mo alloys system and experimental tests to determine tensile strength, carried on standard flat specimens.
    • Occupational Risk Management in Industry 

      Radu, Tamara; Vlad, Maria; Drăgan, Viorel; Başliu, Vasile; Istrate, Gina Genoveva (Universitatea "Dunărea de Jos" din Galaţi, 2018)
      Occupational risk management is part of the occupational health and safety at workplace. Occupational risk management has a specific component relating to the assessment of the risk and a common component of all types ...
    • On the Constitutive Equation of a Low Carbon Steel 

      Canănău, Nicolae; Alexandru, Petrică; Ionel, Petrea; Gurău, Gheorghe (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      The paper shows the results of the researches concerning the equation of deformation behavior of low carbon steel. The behavior law is established starting from the experimental torsion moment. The composed constitutive ...
    • On the Corrosion Behavior of Organic Nanocomposite Coatings 

      Gheorghieș, Constantin; Gheorghieș, Livia; Oancea, Constantin; Hagioglu, Petrica (Universitatea "Dunarea de Jos" din Galați, 2009)
      Recently, researches on composite coatings of organic nature with the addition of metallic oxide nanopowders have shown an increasing corrosion resistance of metallic materials. Carbon steel shows an improved behavior ...
    • On the Corrosion Resistance of Cu-Mo Composite Materials Obtained by PVD Method 

      Grechanyuk, V.G.; Grechanyuk, N.I.; Orac, L.; Denisenko, V.A. (Universitatea "Dunărea de Jos" din Galați, 2008)
      The Cu – Mo composite materials have been obtained by electron flow vaporizing followed by vapor –phase condensing. Researches have shown that corrosion resistance in wet environment varies with the content of ...
    • On the Kinetics of Sol Gel Al:ZnO thin Films Crystallization on Silicon Substrate 

      Mușat, Viorica; Canejo, Joan; Iticescu, Cătălina (Universitatea "Dunărea de Jos" din Galați, 2006)
      Recently, there is a growing interest in applying ZnO thin films on silicon buffer substrates for p-n junction devices, optical wave guide, etc. A sol gel process is very attractive technique for obtaining oxide thin ...
    • 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, ...
    • Optimisation of Refractory Components of Sliding Gate Mechanism for Continuous Casting 

      Munteanu, Viorel (Universitatea "Dunărea de Jos" din Galați, 2009)
      New design techniques have been developed to optimize refractory components of sliding gate mechanism for continuous casting of steel. The overall objective is to increase CC productivity as well as steel quality by using ...
    • Optimization of Thermal Processing Parameters of a High Strength Aluminum Alloy 

      Neacșu, Marian-Iulian; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2015)
      The work shows a calculation meant to optimize the thermal processing parameters (time and temperature) of a high strength aluminum alloy. The optimization calculation has been done by gradient method which involves ...
    • Optimization of Thermomechanical Processing of Some Aluminum Alloys by Dimensional Interpolation Method Using the Matlab 

      Neacșu, Marian; Hanganu, Doru; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2013)
      This paper presents results of research on optimization of thermomechanical treatment applied to an alloy of the Al-Zn-Mg-Cu system, used in the aviation industry.Optimizing thermomechanical treatment process is based ...
    • Optimization Techniques for the Neutralization of the Polluted Waters from Metal Plating 

      Dragomir, Ștefan; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2016)
      The problems related to the protection of the environment are regarded especially as a result of the local pollution by the industry and agriculture or by the overcrowded areas, which have led to the disturbance of some ...
    • Oxidizing Influence Over Surface Structures and Properties for A3k Steel Nitrocarburized in Fluidized Bed 

      Cazacu, Nelu; Dobrovici, Sorin; Bâclea, Adolf; Tănăsescu, Victor; Preda, Nelu (Universitatea 'Dunărea de Jos" din Galați, 2006)
      Surface duplex thermochemical treatment (oxinitrocarburizing) has principal scope to obtaining superficial mechanical higher properties with increasing corrosion capacity. The paper is based by oxinitrocarburizing ...
    • Particular Aspects Concerning Instability at Interface LCAK Steel SLAG (CaO-Al2O3) Due to Transfer of Sulphur, Evaluated Using the Model Reichenbach-Linde Adapteda 

      Niță, Petre Stelian (Universitatea "Dunărea de Jos" din Galați, 2013)
      Based on the model of Reichembach and Linde, adapted to the interface in the system LCAK steel-(CaO-Al2O3) slag at temperature 1873.15K, it is shown that transfer of sulphur from steel to slag could promote interfacial ...
    • Particularities of the Management System for Phone Mobile Waste in Romania 

      Ciocan, Anișoara (Universitatea "dunărea de Jos" din Galați, 2014)
      The main objective of this paper is to characterize the management system for mobile phones in Romania. The dimension of cell phone waste flow and the problems related to the collecting and recycling of this waste were ...
    • 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 ...
    • Photocatalytic Properties of Semiconductive Oxide Nanoparticles. From Fundamentals to Applications 

      Ibănescu (Bușilă), Mariana; Mușat, Viorica; Textor, Torsten; Mahltig, Boris (Universitatea "Dunărea de Jos" din Galați, 2013)
      Photocatalysis is a promising technology that demonstrated important applications in environmental systems such as air purification, pollution removal, self-cleaning and antimicrobial. Semiconductive oxides (e.g., ZnO, ...