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Prikaz rezultata 21-30 od 312
Kinetic modeling of heavy metal sorption by vinyl pyridine based copolymer
(Savez hemijskih inženjera, Beograd, 2012)
Commercial macroporous poly(4-vinylpyridine-co-divinylbenzene) [P4VPD], known as Reillex-425, was characterized by mercury porosimetry, nitrogen physisorption, Fourier transformed infrared (FTIR) spectroscopy and elemental ...
The influence of membrane composition on the release of polyphenols from liposomes / Uticaj sastava membrane na brzinu otpuštanja polifenola iz lipidnih mikročestica
(Association of Chemical Engineers of Serbia, 2015)
Polyphenols are compounds which are widely studied due to their antioxidative and potential therapeutic properties. Systems for the controlled release of drugs offer a number of benefits comparing with traditional forms ...
The influence of fluid-mechanical characteristics of the system on the volumetric mass transfer coefficient and gas dispersion in three-phase system / Uticaj fluido-mehaničkih karakteristika sistema na zapreminski koeficijent prenosa mase i disperziju vazduha u trofaznom sistemu
(Association of Chemical Engineers of Serbia, 2014)
Distribution of gas bubbles and volumetric mass transfer coefficient, kLɑ in a three phase system with different types of solid particles at different operation conditions were studied in this paper. The ranges of superficial ...
Fighting fake science: the key role of scientists
(Savez hemijskih inženjera, Beograd, 2020)
Determination of the ozone volumetric mass transfer coefficient in bubble column with two-fluid nozzle gas distributor / Određivanje zapreminskog koeficijenta prenosa mase ozona u barbotažnoj koloni sa dvofluidnom mlaznicom
(Association of Chemical Engineers of Serbia, 2015)
Experimental investigation of gas-liquid mass transfer of ozone in water, in bubble column with two-fluid nozzle gas distributor (BKDM), under different operating conditions, is presented in this work. The main objective ...
Review of the Competition for the best technological innovation in Serbia for 2020 / Приказ Такмичења за најбољу технолошку иновацију у Србији за 2020. годину
(Hemijska industrija, 2021)
The Competition for best technology innovation, organized by the Serbian Ministry of Education, Science and Technology Development, has been held since 2005. The public call for participation in the Competition is announced ...
The improved photostability of naproxen in the inclusion complex with 2-hydroxypropyl-β-cyclodextrin / Poboljšana fotostabilnost naproksena u inkluzionom kompleksu sa 2-hidroksipropil-β-ciklodekstrinom
(Association of Chemical Engineers of Serbia, 2015)
The aim of this work was the preparation of the inclusion complex of naproxen with 2- hydroxypropyl-β-cyclodextrin (HP-β-CD) in order to improve the physical and chemical properties of naproxen. The molecular inclusion ...
Impermeable layers in landfill design / Prilog projektovanju vodonepropusnih slojeva deponija
(Association of Chemical Engineers of Serbia, 2013)
Landfills are complex systems that could potentially contaminate the environment. This needs to be prevented by providing impermeability during the landfill design. In this aim, the related regulations should be followed ...
Ultrasound-assisted extraction of polyphenols from Thymus serpyllum and its antioxidant activity
(Savez hemijskih inženjera, Beograd, 2016)
The present study was designed to establish and optimize a method for extracting natural bioactive compounds from Thymus serpyllum which possess antioxidant, antimicrobial, antispasmodic and stimulant properties. ...
Improvement of antioxidant properties of egg white protein enzymatic hydrolysates by membrane ultrafiltration
(Savez hemijskih inženjera, Beograd, 2016)
The production of bioactive peptides from egg white proteins (EWPs) and their separation are emerging areas with many new applications. The objective of this study was to compare antioxidant activity of three distinct EWP ...