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Приказ резултата 11-20 од 58
Synthesis, structure and properties of biological active spirohydantoin derivatives
(Savez hemijskih inženjera, Beograd, 2016)
Spirohidantoins represent an pharmacologically important class of heterocycles since many derivatives have been recognized that display interesting activities against a wide range of biological targets. First synthesis of ...
Textural and sensory properties of spreads with sucrose and maltitol
(Savez hemijskih inženjera, Beograd, 2012)
Spreads are confectionery products based on sugar, vegetable fat, cocoa powder, milk powder and other ingredients. Basic properties of these products are good spreadability in wide temperature range (from ambience to fridge ...
VOC emission from oil refinery and petrochemical wastewater treatment plant estimation / Procena emisija lakoisparljivih organskih jedinjenja iz postrojenja za primarni tretman otpadnih voda rafinerijskih i petrohemijskih postrojenja
(Association of Chemical Engineers of Serbia, 2013)
As a consequence of environmental legislation improvement in Serbia for industrial producers, especially future holders of Integrated Pollution Prevention Control (IPPC) license, it is necessary to report annually on ...
Estimation of evaporative losses during storage of crude oil and petroleum products / Kvantifikacija evaporativnih gubitaka nafte i naftnih derivata tokom skladištenja
(Association of Chemical Engineers of Serbia, 2013)
Storage of crude oil and petroleum products inevitably leads to evaporative losses. Those losses are important for the industrial plants mass balances, as well as for the environmental protection. In this paper, estimation ...
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. ...
Testing of the functional garments with microencapsulated phase-change material in simulated high temperature conditions
(Savez hemijskih inženjera, Beograd, 2016)
An organic phase change material (PCM) possesses the ability to absorb and release large quantity of latent heat during a phase change process over a certain temperature range. This paper presents results related to ...
Analysis of the treatment of plastic from electrical and electronic waste in the republic of Serbia and the testing of the recycling potential of non-metallic fractions of printed circuit boards
(Savez hemijskih inženjera, Beograd, 2017)
This paper presents the analysis of the quantity of plastic and waste printed circuit boards obtained after the mechanical treatment of electrical and electronic waste (E-waste) in the Republic of Serbia, as well as the ...
Optimization of spray drying conditions for production of Achillea millefolium extract powder
(Hemijska industrija, 2021)
In this study, a spray drying process of yarrow (Achillea millefolium L.) liquid extracts was optimized by using the response surface methodology. The study aimed to determine the influence of temperature (120-195 degrees ...
Hydrogenation of oil produced by naphtha steam pyrolysis: Determination of catalyst activity / Hidrogenovanje pirolitičkog ulja nastalog u procesu pirolize primarnog benzina - određivanje aktivnosti katalizatora
(Association of Chemical Engineers of Serbia, 2000)
Residual pyrolysis oil (RPO) produced as a by-product of naphtha steam pyrolysis was hydrogenated (160-280°C; 60 bar; trickle-bed reactor with Co-Mo/y-AlgOs) with the aim of suppressing the polymerization of the unsaturated ...
Semi-interpenetrating networks based on POLY(N-isopropyl acrilamide) and POLY(N-vinylpyrrolidone) / Semi-interpenetrirajuće polimerne mreže na bazi POLI(N-izopropilakrilamida) i POLI(N-vinilpirolidona)
(Association of Chemical Engineers of Serbia, 2007)
Three series of semi-interpenetrating polymer networks based on cross-linked poly(N-isopropylacrylamide), PNIPA, and 1, 2 and 3 wt% of linear poly(N-vinylpyrrolidone), PVP, were synthesized in order to improve the mechanical ...