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Приказ резултата 31-40 од 698
ESI-MS spectra of 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones / ESI-MS spektri 3-cijano-4-(supstituisani fenil)-6-fenil-2(1H)-piridinona
(Serbian Chemical Society, Belgrade, 2009)
Twelve 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones were investigated by tandem mass spectrometry using positive as well as negative electrospray ionization. The influence of the electron affinity of the ...
Influence of modification of hemp fibres by sodium hydroxide on their chemical composition and sorption properties / Uticaj modifikovanja vlakana konoplje natrijumhidroksidom na njihov hemijski sastav i sorpciona svojstva
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2003)
This paper discusses the effect of chemical modification of hemp fibres with NaOH on their physico-chemical properties. The modification of hemp fibres was carried out with 5% and 18% aqueous solution of sodium hydroxide, ...
Crystallization kinetics of K2O·TiO2· 3GeO2 glass studied by DTA
(International Institute for the Science of Sintering, 2008)
Crystallization kinetics of K2O·TiO2· 3GeO2 glass was investigated by differential thermal analysis (DTA). Experiments were performed on powder samples with a particle size < 0.037 mm. The glass samples were heated at ...
Matrix Microstructure and Its Micro-Analysis of Constituent Phases in As-Cast Fe-Cr-C-V Alloys
(Japan Inst Metals, Sendai, 2009)
The as-cast matrix microstructure in 19 mass%Cr-2.8 mass%C white cast iron with up to 4.7 mass% V additions has been studied. Type and degree of the austenite transformation in the course of cooling after solidification ...
Corrosion studies on electrochemically deposited polyaniline and polyaniline/epoxy coatings on mild steel in acid sulfate solution / Koroziono ispitivanje elektrohemijski taloženog polianilina i polianilina/epoksi prevlaka na mekom čeliku u rastvoru sumporne kiseline
(Engineering Society for Corrosion, Belgrade, Serbia, 2004)
The corrosion behavior of mild steel, mild steel covered by electrochemically deposited polyaniline (PANI) film, epoxy coating and PANI/epoxy coating system in 0.1 M sulfuric acid solution, were investigated by electrochemical ...
A case study of global steel properties database development: Key to steel / Primer razvoja globalne baze podataka osobina čelika - key to steel
(Savez inženjera metalurgije Srbije, Beograd, 2005)
Key to Steel is the world’s most comprehensive database of steel materials developed to provide technical information to professional users worldwide. This paper describes development process that resulted in the biggest ...
Optimization of the electrostatic droplet generation process for controlled microbead production: Single nozzle system / Optimizacija elektrostatičkog generisanja čestica u cilju kontrolisanja njihovih mikronskih veličina - sistem sa jednom mlaznicom
(Association of the Chemical Engineers of Serbia, 2006)
The aim of this study was to optimize the electrostatic extrusion process for producing small, spherical and uniform microbeads with different fluid viscosities by varying the operating parameters in very wide ranges. ...
Semi-interpenetrating polymer networks based on polyacrylamide and poly(itaconic acid) / Semi-interpenetrirajuće mreže na bazi poliakrilamida i poli(itakonske kiseline)
(Association of Chemical Engineers of Serbia, 2003)
The effect of pH and temperature on the equilibrium swelling properties of PIA/PAAm semi-IPNs were investigated.Semi-IPNs based on polyacrylamide (PAAm) and poly(itaconic acid) (PIA) were prepared by two different techniques, ...
Inverse gas chromatrography of chromia. Part II. Finite surface coverage / Inverzna gasna hromatografija na hrom(III)-oksidu. Deo II
(Serbian Chemical Society, Belgrade, 2002)
The interactions of n-hexane, benzene, chloroform, and tetrahydrofuran with dried (amorphous) chromia (I) and chromia heated at 1073 K (crystalline) (II), both obtained from a colloidal dispersion, and a commercially ...
Development of ion chromatography methods for the determination of trace anions in ultra pure water from power plants / Razvoj metoda jonske hromatografije za određivanje tragova anjona u ultra čistim vodama iz termoelektrana
(Serbian Chemical Society, Belgrade, 2005)
A suppressed ion chromatography (IC) technique, using a carbonate/hydrogen carbonate or a hydroxide eluent, has been evaluated as a monitoring tool for the detection of major anions (F-, Cl-, NO3-, PO43- and SO42-) in ultra ...