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Приказ резултата 31-40 од 102
Extraction kinetic of some phenolic compounds during Cabernet Sauvignon alcoholic fermentation and antioxidant properties of derived wines / Екстракциона кинетика на некои фенолни соединенија во текот на алкохолната ферментација на грозје од сортата каберне совињон и антиоксидантни својства на добиените вина
(The Society of Chemists and Techonogists of Macedonia, 2020)
In this study, we estimated the usage of Cabernet Sauvignon in microvinifications, obtaining wines with increased phenolic compound content. Kinetic extraction of phenolic compounds during alcoholic fermentation was affected ...
Achillea clypeolata sibth. & sm. essential oil composition and qsrr model for predicting retention indices / Hemijski sastav etarskog ulja Achillea clypeolata Sibth. & Sm. И QSRR model za predviđanje retencionog vremena
(Belgrade : Serbian Chemical Society, 2021)
The aim of this study was the prediction model of retention indices of compounds from the aboveground parts of Achillea clypeolata Sibth. & Sm. essential oil, obtained by hydrodistillation and analysed by GC-MS. The ...
Optimization of the active component grinding process and hydrophobization of the obtained powder fire extinguisher / Optimizacija mlevenja aktivne komponente i hidrofobizacija dobijenog sredstva za gašenje požara]
(Beograd : Savez hemijskih inženjera, 2021)
This work presents a grinding process of monoammonium phosphate (MAP) as an active component in a powder fire extinguisher (PFE). The aim was to determine the grinding time for reaching the optimal particle size of MAP ...
Investigation of potentially toxic elements in urban sediments in Belgrade, Serbia
(Taylor & Francis Group LLC, 2020)
Concentrations of 10 potentially toxic trace elements were measured in soil samples collected from 18 sites in urban areas of Belgrade, the capital and the largest city in Serbia. Samples were analysed in order to assess ...
Oxidized humic acids from the soil of heat power plant / Oksidovane huminske kiseline iz toplane
(Serbia : Serbian Chemical Society, 2020)
Humic acids isolated from the soil of a heat power plant (HA-E) contaminated with oil were analyzed by Fourier transform infrared spectroscopy (FTIR). In comparison with a humic acids standard (HA-S), a lack of an intense ...
Assessment of the Biological Effects of Pellia endiviifolia and its Constituents in Vitro
(SAGE Publications Inc., 2021)
Liverworts are characterized by a high content of bioactive compounds reported to show antimicrobial, anticancer, and antioxidant properties. In this study, the biological effects of the methanol extract of the liverwort ...
Modeling the biodiesel production using the wheat straw ash as a catalyst / Pepeo pšenične slame kao katalizator u proizvodnji biodizela
(Belgrade : Association of the Chemical Engineers of Serbia, 2021)
Wheat straw ash (WSA) was investigated as a new catalyst in biodiesel production from sunflower oil. The catalyst was characterized by temperature-programmed decomposition, X-ray powder diffraction, Hg porosimetry, N2 ...
Can a benthic diatom community complement chemical analyses and discriminate between disturbed and undisturbed saline wetland habitats?
(Springer, 2021)
Soda pans are protected in the European
Union as Natura 2000 areas in the category of
‘‘Pannonic saline steppes and marshes’’. There are at
least six soda pans of reference status in Serbia and
only a half have strict ...
Optimization of injected radiotracer volume for flow rate measurement in closed conduits / Optimizacija zapremine radioaktivnog obeleživača pri merenju zapreminskog protoka u zatvorenim cevovodima
(Belgrade : Association of the Chemical Engineers of Serbia, 2020)
In chemical processes it is essential that the flow in the process is accurately defined. Fluid velocity measurements are important for fluid flow quality performance in flow systems. This study focuses on determination ...
Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
(Magnolia Press, 2020)
A new freshwater diatom species Pinnularia baetica sp. nov. is described from two different ponds from the Mediterranean
area: Andalucia (South of Spain) and Lake Livadičko, Serbia. The species is described by observations ...