Now showing items 1-11 of 11

    • Characterisation of CVD Niobium Carbine Coatings on Hard Carbide Substrate 

      Constantinescu, Stela; Vlad, Maria; Radu, Tamara (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      Hard coatings are often used for mechanical properties such as wear and friction resistance. The corrosion behaviour may also be an important criterion for industrial applications of these coatings. In this paper, the ...
    • Characterization on the Red Mud Resulted from the Alumina Bayer Process Production for the Future Use in Geopolymers Synthesis 

      Spătaru (Severin), Ilenuța; Vlad, Maria; Gheorghieș, Constantin; Movileanu, Gelu (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper presents the results of analyses on the chemical, structural and morphological processing of bauxite red mud resulting from alkaline wet Bayer technology. The characterization of the material considered as ...
    • Experimental Model for Pollutants Monitoring Into the Coke-Chemical Plant 

      Munteanu, Viorel; Vlad, Maria; Balint, Lucica (Universitatea "Dunărea de Jos' din Galați, 2009)
      The Coke-Chemical plants contribute heavily to producing and emitting in the atmosphere a big amount of polluting agents. Polluting emissions diminution and situating them within the international specific standards, ...
    • Improvement of Steel Sheet Corrosion Resistance by Thermic Coverage Method with Zinc-Aluminium Alloys 

      Vlad, Maria; Olga, Mitoșeriu; Constantinescu, Stela; Stratulat, Emil (Universitatea "Dunărea de Jos" din Galați, 2007)
      The paper presents the main physico-chemical characteristics (viscosity and superficial tension of zinc-aluminium liquid alloy in view of carry out protected layers on steel sheet with very good properties by thermal ...
    • Neutralization of Hazardous Waste in Vitreous Mass of Glass 

      Vlad, Maria; Movileanu, Gelu; Marcus, Iuliana; Florea, Gheorghe; Cantaragiu, Alina (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      The paper presents studies concerning the neutralization of hazardous waste containing metal ions by embedding them in vitreous matrix which are chemically stable materials. The main analysed factors are: chemical ...
    • 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 ...
    • Research on Obtaining and Characterization of Polymeric Membranes for Wastewater Treatment 

      Tiron, Laurenția Geanina; Vlad, Maria; Pintilie, Ștefan Cătălina; Baltă, Ștefan (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 ...
    • Selective Recovery by solubilization of Metals Ions of Chromium, Iron and Zinc from Electroplating Sludge to Develop Pigments for Ceramics Industry 

      Mărcuș, Maria-Iuliana; Vlad, Maria; Mîțiu, Ileana; Mîțiu, Mihaela Andreea (Universitatea 'Dunărea de Jos" din Galați, 2015)
      Electroplating industries discharge large amounts of heavy metals, including chromium (Cr), iron (Fe) and zinc (Zn) ions, in the wastewater resulted from technological processes, as well as in the sludge from wastewater ...
    • Soil Pollution with Heavy Metals 

      Vlad, Maria; Movileanu, Gelu (Universitatea "Dunărea de Jos" din Galați, 2010)
      In this paper was studied soil pollution with heavy metals (copper, chrome, manganese, lead, zinc, cadmium, nickel) caused by the municipal waste from landfill. The level of soil pollution depends on rain regime which ...
    • Study of the RV52 Steel Plates Properties After Thermic Treatment 

      Vlad, Maria; Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2009)
      The thermal treatment of RV52 steel plates determines high mechanical properties such as: strength, wear resistance and tenacity. The normalized plate samples were studied to determine the effect of the tension release ...
    • Surface Tension of Liquid Copper in Dilute Oxygen Concentrations 

      Vlad, Maria; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2006)
      The studies of this paper regarding the influence of low oxygen contents on the liquid copper surface tension had as base „sessile drop” method and the determination of the oxygen content using calculation ratio where ...