Претраживање
Приказ резултата 31-40 од 272
The influence of long-term aging on the properties of TEMPO oxidized cotton / Uticaj dugotrajnog starenja na svojstvo TEMPO oksidisanog pamuka
(Belgrade : Union of Engineers and Textile Technicians of Serbia, 2023)
Cotton yarns were 2,2,6,6-tetramethy|piperidine-1-oxy radical (TEMPO) oxidized, i.e., oxidation was carried out in the presence of sodium hypochlorite, sodium bromide and TEMPO, during different time intervals (30, 60 and ...
Problem heritološke abdukcije u vezi sa instrumentalnim analizama materijala kulturne baštine
(Društvo za ETRAN, 2022)
Heritološki fenomeni u oblasti istraživanja kompozitnih umetničkih dela, u vezi sa raznovrsnošću pristupa u kvalitativnim i kvantitativnim kriterijumima za izbor materijala, postavljaju složene zadatke u primeni instrumentalnih ...
Lactic acid bacteria: From food preservation to active packaging
(IOP Publishing Ltd, 2021)
Lactic acid bacteria (LAB) have acted in food fermentations through the ages due to their safety and resilience to specific harsh conditions of high salinity or low pH present in food and gut where they live. Their interaction ...
Evaluation of solvent and substituent effects on absorption spectra of spirohydantoins derived from alfa-tetralone
(Szeged : University of Szeged, 2023)
A convenient and efficient approach toward the synthesis of six 3-(4-substituted benzyl)-6,7-benzo-1,3-diazaspiro[4.5]decane-2,4-diones (1‒6) by Bucherer-Bergs reaction and further alkylation at position 3 of the hydantoin ...
Quantum Generators in Theory and Practice 2022
(Univerzitet u Beogradu - Mašinski fakultet, 2022)
The application of lasers/quantum generators for various purposes (toys/pacifiers, heavy/rocket industry/space) has changed the millennium, and the trend is growing. In terms of education, doctorates (laser stations/design ...
EVALUATION OF SOLVENT AND SUBSTITUENT EFFECTS ON ABSORPTION SPECTRA OF NEW SYNTHETIC COLORANTS WITH PYRIDONE CORE / EVALUACIJA UTICAJA RASTVARAČA I EFEKATA SUPSTITUENATA NA POLOŽAJ APSORPCIONIH MAKSIMUMA NOVIH SINTETSKIH BOJA SA PIRIDONOM KAO CENTRLNIM PRSTENOM
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Društvo za procesnu tehniku, 2020)
Azo dyes represent a structurally diverse class of organic dyes with one or more azo groups (–
N=N–) as a bridge between organic residues of which at least one is an aromatic moiety. Many
methods are developed for synthesis ...
The effect of climate change on the potential for landfill gas generation at the Vinča landfill site
(EDP Sciences, 2023)
Climate change projections indicate that Republic of Serbia and the Western Balkans will
face a high probability of continuing temperature increases, climatic extremes are projected to become
more common, including a ...
Removal of arsenic(III) oxyanions from wastewater using aminosilane -modified natural and synthetic zeolite
(Croatia : Croatian Zeolites Association, 2021)
Silanization of the natural and synthetic zeolites as well as their use as adsorbents for removing arsenic(III) oxyanions from wastewater are the topic of this paper. Two types of zeolite were used: natural zeolite-clinoptilolite ...
The characterisation of silymarin and silibinin loaded liposomes
(Banja Luka : University in Banjaluka, Faculty of Technology, 2022)
The aim of the present study was the characterization of silymarin and silibinin loaded liposomes
via determination of encapsulation efficiency, particle size, polydispersity index (PDI), zeta
potential, mobility, and ...
Ekstrakcija estrogenih hormona iz vode korišćenjem ugljeničnog kriogela kao sorbenta
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), 2021)
Za ekstrakciju estrogenih hormona (estrona, 17β-estradiola i 17α-etinilestradiola) iz vodenih rastvora metodom ekstrakcije na čvrstoj fazi, u ovom radu korišćen je ugljenični kriogel kao sorbent. Metoda ekstrakcije na ...