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Приказ резултата 31-40 од 42
Non-isothermal kinetic characterisation of a gas-solid reaction by TG analysis / Neizotermalna kinetička karakterizacija reakcija gasnih i čvrstih reaktanata TG analizom
(Serbian Chemical Society, 2005)
A series of silica-supported Ni-catalyst precursors was synthesized, with different SiO2/Nimole ratios between 0.2 and 1.15. The reduction of all the prepared samples was studied by thermogravimetry (TG) in a hydrogen flow. ...
Synthesis of thermoplastic poly(ester-siloxane)s in the melt and in solution / Sinteza termoplastičnih poli(estar-siloksana) u rastopu i rastvoru
(Serbian Chemical Society, 2005)
Two series of thermoplastic elastomers, based on poly(dimethylsiloxane) PDMS, as the soft segment and poly(butylene terephthalate), PBT, as the hard segment, were synthesized by catalyzed transesterification, from dimethyl ...
The influence of concentration of Nd-Fe-B powder in composite coating of optical fiber to the sensibility to external magnetic field
(Technical Faculty, Bor, 2005)
Multi-mode optical fiber with magnetic composite coating was investigated as an optical fiber sensor element (OFMSE) for magnetic field sensing The composite coating was formed with dispersions of permanent magnet powder ...
Nanocomposite permanent magnetic materials Nd-Fe-B type: The influence of nanocomposite on magnetic properties
(Technical Faculty, Bor, 2005)
The influence on the magnetic properties of nanocristalline ribbons and powders has character of microstructure, between others – the grain size volume of hard and soft magnetic phases and their distribution. Magnetic ...
The effect of the fluorides and pH value of the electrolyte on the structure of copper coatings deposited onto aluminum / Uticaj fluorida i pH vrednosti elektrolita na strukturu prevlaka bakra istaloženih na aluminijumu
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
The copper coatings were electrodeposited directly onto aluminum from the following solution: CuSO4-⋅5H2O (55 g/dm3) + CH2 NH2 - CH2OH (100 g/dm3) (NH4)2SO4 (30 g/dm3) + Na2SO4 - 10H2O (75 g/dm3) + Na2CO3 (3g/dm3), room ...
Direct electroplating of copper coatings onto aluminum / Neposredno elektrohemijsko taloženje prevlaka bakra na aluminijum
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
The deposition of copper coatings has been done by direct electrochemical deposition from the solution: CuSO4 (55 g/dm3) + CH2 NH2 - CH2OH (100 g/dm3) + (NH4)2SO4 (30 g/dm3) + Na2SO4*10H2O (75 g/dm3) + Na2CO3 (3 g/dm3), ...
Electroplating of silver onto aluminum and its alloys / Elektrohemijsko taloženje prevlaka srebra na aluminijum i njegove legure
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
In this paper the structural characteristics of silver coatings electrodeposited as final coatings onto aluminum were shown. The copper coating was electrodeposited as a basic coating directly onto aluminum. Afterward, ...
Properties of Ni-W alloys electrochemically deposited by direct and pulse current / Karakteristike legura Ni-W elektrohemijski taloženih konstantnom i pulsirajućom strujom
(Belgrade, Serbia : Engineering Society for Corrosion, 2005)
The Ni-W alloys were electrochemically deposited from a ammonia-citrate electrolyte on rotation disc electrode with a replaceable steel disc, by direct and pulsed current. The aim of the paper is investigations of parameters ...
Speciation of selected trace and major elements in lignite used in 'Nikola Tesla A' power plant (Obrenovac, Serbia) / Specijacija odabranih mikro- i makroelemenata u uzorcima lignita termoelektrane 'Nikola Tesla A' (Obrenovac, Srbija)
(Serbian Chemical Society, 2005)
Four samples of milled lignite used in the "Nikola Tesla A" power plant located in Obrenovac near Belgrade, were subjected to a five-step sequential extraction, comprising of the following phases: distilled water, 1M ...
Kristalohemijska ispitivanja sfalerita iz polimetaličnog Pb - Zn rudnog ležišta Kiževak / Crystallochemicaly investigations of the sphalerites from the polymetallic Pb-Zn ore deposit Kiževak
(Geoinstitut, 2005)
With the X-ray, chemical and spectrochemical method there were investigated monomineral concentrations of the brown and yellow sphalerite varietys from the polymetallic Pb-Zn ore deposit Kiževak from the different horizons ...