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Prikaz rezultata 61-70 od 819
PrečIšćavanje rudničkih otpadnih voda adsorpcijom na letećem pepelu
(Институт за технологију нуклеарних и других минералних сировина, 2021)
Bakar je jedan od najzastupljenijih metala u industriji zbog svoje najšire primene u poređenju sa ostalim obojenim metalima. Tokom procesa eksploatacije bakra stvara se velika količina rudničkih otpadnih voda. Zbog toga ...
Volatile profiles of seasoned staves used in Balkan cooperage
(University of Belgrade - Faculty of Chemistry, 2021)
The ageing in contact with wood is an important process for improving the aroma, color, taste and astringency of some high-quality alcoholic beverages. One of the important changes is extraction of volatile compounds (i.e. ...
Ispitivanje purpurina kao katodnog materijala u vodenim Na-jonskim baterijama
(Novi Sad : Prirodno matematicki fakultet, 2021)
Purpurin je organska boja dobijena kao ekstrakt iz biljke Maddre ubrane na planini Kopaonik. U ovom radu, purpurin je koritšćn kao potencijalna zamena za katodni materijal koji se koristi u komercijalnim Li-jonskim baterijama, ...
Sustainable mechanochemical synthesis of nanocrystalline lead sulfide using eggshell membrane as a sulfur precursor
(Ostrava : TANGER Ltd, 2021)
Nature is an inexhaustible source of idea and materials. This time, chicken eggshell membrane, a nature product and waste material, has been discovered as a potential sulfur source for the production of sulfide. This is ...
Influence of Geological Settings and Land Use on Physico-Chemical Properties of Soils in the Fruška Gora Mt., Serbia
(Belgrade : Serbian Chemical Society, 2021)
The objective of this study was to determine the impact of geological substrate and and use on: physico-chemical properties of soil and size and stability of soil aggregates. Seventeen soil samples of forest soil and 30 ...
Problem and Solution of UV–Vis Time-Based Measurements of a Chemical System Involving Gas Product: Application to the Bray–Liebhafsky Oscillatory Reaction
(American Chemical Society (ACS), 2021)
Ultraviolet (UV)–visible (Vis) spectroscopy is widely used in all modern laboratories as a routine method of analysis. The monitoring of chemical reactions in an aqueous solution involving a gas product is a demanding task ...
Uticaj halogenovanja aromatičnog prstena na konformaciju spirohidantoinskih jedinjenja / Influence of halogenation of aromatic ring on the conformation of spirohydantoin compounds
(Serbian Crystallographic Society, 2021)
Kristalografska i kvantnohemijska studija, koja je usmerena na proučavanje efekata fluorovanja benzoil-grupe vezane za cikloheksan-5-spirohidantoin, pokazala je da aromatični prsten ima najveći afinitet prema cikloheksanskom ...
Indirektno spektrofotometrijsko određivanje koncentracije pirokatehola korišćenjem oscilatorne reakcije
(Novi Sad : Prirodno matematicki fakultet, 2021)
U ovom radu Bray- Liebhafsky reakcija je korišćena kao matrica za kvantitativna odredjivanja pirokatehola indirektnom spektrofotometrijskom metodom.
Fluorinacija aromatičnih grupa. Efekat koordinovanja na atom fluora / Fluorination of aromatic groups. The effects of coordination on fluorine interactions
(Serbian Crystallographic Society, 2021)
Statistical analysis of crystal structures obtained from Cambridge Structural Database (CSD)
showed that the most numerous are structures in which carbon atom is bound to interacting fluorine atom.
Photoactivity of Immobilized Titanium Dioxide (TiO2 ) in Lindane Degradation
(Belgrade : Serbian Chemical Society, 2021)
Introduction and study objectives: Lindane is a generic name for γ-hexachlorocyclohexane, one of the isomers from the group of Hexachlorocyclohexanes (HCH) [1]. Due to its neurotoxic activity, it had a very wide application, ...