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Приказ резултата 21-30 од 215
Synthesis, characterization and electrocatalytic activity for ethanol oxidation of carbon supported Pt, Pt-Rh, Pt-SnO2 and Pt-Rh-SnO2 nanoclusters
(Elsevier Science Inc, New York, 2009)
Nanoclusters of Pt, Pt-Rh, Pt-SnO2 and Pt-Rh-SnO2 were successfully synthesized by polyol method and deposited on high-area carbon. HIRTEM and XRD analysis revealed two phases in the ternary Pt-Rh-SnO2/C catalyst: solid ...
Catalytic Degradation Processes and Swelling of Alginate Bio-Medical Gels under Influence of Oxygen
(Taylor & Francis Inc, Philadelphia, 2009)
Interaction of cells with polymer networks in nanostructured devices as alginate beads for cell immobilization are considered. Influence of process parameters as oxygen concentration inside a bead on changes of alginate ...
Structure and thermal behavior of the layered zincophosphate [NH3-CH2-CH(NH3)-CH3](ZnPO4)(2)
(Elsevier Science Sa, Lausanne, 2009)
A zinc phosphate with the composition [NH3-CH2-CH(NH3)-CH3](ZnPO4)(2), containing the doubly protonated 1,2-diaminopropane (abbr. HDAP), was synthesized by hydrothermal crystallization of zinc nitrate, phosphoric acid, ...
Distribution of the carbide phase in the viscoplastic layer during the rotational friction-welding of various steels
(Korean Institute of Metals and Materials, 2009)
The paper presents the viscoplastic phenomena observed during the rotational friction-welding process of high-speed steel M2 (AISI SAE) with carbon steel 1060 (AISI SAE The structure, phase composition and distribution of ...
Ispitivanje morfologije i hemijske strukture PA i PES vlakana modifikovanih korona pražnjenjem na atmosferskom pritisku
(Srpsko hemijsko društvo, 2009)
The analysis of different processes of extraction: yield of extracts obtained from Aloe vera (Aloe barbadensis Miller) and sweet bay (Laurus nobilis L.) and the exergy analysis of applied processes
(Association of the Chemical Engineers of Serbia, 2009)
The present study was aimed to investigate and compare the efficiency of different methods for the isolation extract from a plant material. Extracts from dried leaves of Aloe vera (A. barbadensis Mill.) and Sweet Bay (Laurus ...
The ultrasonic and image analysis method for non-destructive quantification of the thermal shock damage in refractory specimens
(Elsevier Sci Ltd, Oxford, 2009)
In the present work, Mg-exchanged zeolit and silicon carbide were used as starting materials for obtaining cordierite/SiC composite ceramics with weight ratio 50:50. Samples were exposed to the water quench test from 950 ...
Supercritical carbon dioxide extraction of antioxidants from rosemary (Rosmarinus officinalis L.) and sage (Salvia officinalis L.) / Natkritična ekstrakcija antioksidanasa iz ruzmarina (Rosmarinus officinalis L.) i žalfije (Salvia officinalis L.)
(Serbian Chemical Society, Belgrade, 2009)
The aim of the present study was to isolate and characterize antioxidant extracts obtained from dried leaves of rosemary (Rosmarinus officinalis L.) and sage (Salvia officinalis L.), originating from the southern Balkan ...
Methanolysis of sunflower oil using alumina/silica supported potassium oxide (K2O) as a heterogeneous catalyst / Metanoliza suncokretovog ulja katalizovana kalijum oksidom (K2O) na alumosilikatnom nosaču
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2009)
Biodiesel, the most promising alternative to diesel fuel, is renewable, biodegradable, environmentally friendly and can be used in existing engines. Certain disadvantages of conventional processes of biodiesel, i.e. fatty ...
Investigation of biocompatibility of alpha-tricalcium phosphate: Test for primary cutaneous irritation / Ispitivanje biokompatibilnosti alfa-trikalcijum fosfata - test primarne kutane iritacije
(Univerzitet u Beogradu - Medicinski fakultet, Beograd, 2009)
Objectives. The aim of this study was to determine the irritant properties of alpha-tricalcium phosphate, a new calcium phosphate ceramic material, after single application to intact skin of the rabbit. Methods. As a ...