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Приказ резултата 11-20 од 110
Rendgenska analiza nanostrukturnih prahova kalcijum fosfata dobijenih novim postupcima sinteze
(Belgrade : University of Belgrade, Faculty of Mining and Geology, 2010)
Strukturne, mikrostrukturne i morfološke promene kalcijum-fosfatnih kristalnih prahova, sintetisanih hidrotermalnim i precipitacionim postupkom, proučavane su metodom rendgenske difrakcione analize i Ritveldovog strukturnog ...
Influence of mechanical activation on microstructure and crystal structure of sintered MgO-TiO2 system
(Belgrade : International Institute for the Science of Sintering, 2010)
Mixtures of MgO-TiO2 were mechanically activated using high-energy planetary ball mill during 5, 10, 20, 40, 80 and 120 minutes. Sintering process was preformed in air at 1100o-1400oC for 2h. The decrease in powder’s ...
Structural and electrical properties of barium-zinc-titanate ceramics sintered at 1300ºc
(Belgrade : Institute of Technical Sciences of SASA, 2010)
The aim of this work was an investigation of structural and electrical properties of sintered barium-zinc-titanate ceramics. Mixtures of BaCO3, ZnO and TiO2 were mechanically activated in a planetary ball mill up to 80 ...
Corrosion studies of magnesium, aluminum and zinc in citrate containing electrolytes
(Nice : International Society of Electrochemistry, 2010)
Corrosion behavior of magnesium, aluminum and zinc in 0.2 mol dm-3 NH4Cl; 0.1 mol dm-3 NH4Cl with addition of 0.1 mol dm-3 Na-citrate and corrosion behavior of zinc in 0.3 mol dm-3 NH4Cl with addition of 0.8 mol dm-3 ...
Microemulsion-mediated hydrothermal synthesis of LiFePO4 cathode material
(Belgrade : Institute of Technical Sciences of SASA, 2010)
LiFePO4 is a material of great interest as cathode material for lithium ion batteries thanks to its good characteristics. One of the advanced techniques for LiFePO4 powder preparation is hydrothermal synthesis. In this ...
Merenje raspodele veličina čestica metodom difrakcije laserske svetlosti
(Beograd : Savez inženjera i tehničara Srbije, 2010)
U ovom tekstu opisan je princip rada instrumenta za merenje raspodele veličina čestica Mastersizer 2000, Malvern Instruments Ltd., UK, koji radi na principu analize difraktovane svetlosti. Na konkretnim primerima, pokazali ...
Electrochemical Behaviour of V2O5 Xerogel and V2O5 Xerogel/C Composite in an Aqueous LiNO3 and Mg(NO3)(2) Solutions
(Acta Physica Polonica A, 2010)
We synthesized both the V2O5 xerogel and the composite V2O5 xerogel/C starting from the solution of V2O5 in hydrogen peroxide. After the characterization by XRD, thermal (TCA-DTA), SEM methods and by particle size analysis, ...
Oxygen Reduction on Polycrystalline Pt Electrode Modified by Acetonitrile in Neutral Electrolyte
(Nice : International Society of Electrochemistry, 2010)
Oxygen reduction was studied on pure polycrystalline PI electrode and on one modified by chemisorbed acetonitrile in neutral solutions containing sulphate or chloride anions. Measurements were performed on polycrystalline ...
Electrochemical characterization of electrochemically polymerized polyaniline in citrate containing electrolyte
(Nice : International Society of Electrochemistry, 2010)
Polyaniline electrode, was obtained by electrochemical polymerization at constant current density of 2.0 mA cm-2 from aqueous solution of 1.0 mol dm-3 HCl containing 0.25 mol dm-3 aniline. Electrochemical characterization ...
Electrochemical synthesis and corrosion properties of polyaniline coating on aluminum
(Nice : International Society of Electrochemistry, 2010)
Electrochemical polymerization of Polyaniline (PANI) film on aluminum electrode from aqueous solution of 0.20 mol dm-3 sodium benzoate containing 0.25 mol dm-3 aniline have been investigated using potentiodinamic and ...