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Asymptotic representation of solutions of nonlinear differential and difference equations with regularly varying coefficients
(Универзитет у Нишу, Природно-математички факултет, 19-02-2021)
In this dissertation, differential equations of the fourth order, difference
equation of second order and cyclic systems of difference equations of
second order are considered. In particular, assuming that coefficients ...
Hemijski sastav, antioksidativna i toksična aktivnost odabranih biljnih vrsta roda Artemisia L.
(Универзитет у Нишу, Природно-математички факултет, 2022)
The subject of this research is the analysis of essential oils using GC-MS technique, methanol extracts using HPLC method, as well as multielement composition using ICP OES technique of five species of the genus Artemisia, ...
Mikroplastika u slatkovodnim ekosistemima: in-situ i ex-situ istraživanja na odabranim model organizmima makrobeskičmenjaka
(Универзитет у Нишу, Природно-математички факултет, 2022)
In this doctoral dissertation, the influence of the most common types of microplastic polymers on different levels of biological and ecological organization of benthic macroinvertebrates in freshwater ecosystems is ...
Ispitivanje strukturnih, magnetnih i luminescentnih svojstava materijala na bazi itrijum-trifluorida dopiranih jonima retkih zemalja
(Универзитет у Нишу, Природно-математички факултет, 2022)
Rare-earth based inorganic materials are very attractive in
scientific research, as well as numerous industry applications,
due to their specific properties that arise from the partially filled
4f orbitals. The aim of this ...
Razvoj i primena preliminarnih skrining metoda za procenu sadržaja rezidualnih pesticida u jabukama tehnikama masene spektrometrije
(Универзитет у Нишу, Природно-математички факултет, 2022)
High consumption rate of apples demands their intensive production. To ensure satisfactory and healthy yields, such production mainly involves largescale usage of pesticides, which consequently rises the need for the ...
Konzistentnost i problemi kompletiranja operatorskih matrica: doktorske disertacije
(Универзитет у Нишу, Природно-математички факултет, 2022)
In this thesis different types of operator matrix completions have been studied, as well as consistency in invertibility and in Fredholmnes. The property consistency has been considered on Banach algebras in the sense of ...
Elektrohemijska i hemijska sinteza i karakterizacija katalizatora i sorbenata na bazi jedinjenja bizmuta i njihova primena u tretmanu vode
(Универзитет у Нишу, Природно-математички факултет, 27-04-2021)
This dissertation is a part of the research performed within the Projects of the Ministry of Education, Science and Technological Development of the Republic of Serbia: Grant No. TR 34008 and Agreement No. 451-03-68/2020 ...
Taksonomija i filogenija serije Verni Mathew (crocus l.) u jugoistočnoj Evropi - morfo-anatomski, citološki i molekularni pristup
(Универзитет у Нишу, Природно-математички факултет, 15-10-2021)
The complexity of the series Verni is a result of the questionable taxonomical status of its representatives, followed by the confusing nomenclature, synonyms and high variability of chromosome numbers. The aim of the study ...
Algoritmi za brzo aproksimativno spektralno učenje
(Универзитет у Нишу, Природно-математички факултет, 2021)
This thesis presents learning algorithms which use the
information stored in the spectrum (eigenvalues and
eigenvectors) of a matrix derived from the input set. Matrices
in question are graph matrices or kernel matrices. ...
Jednostruki elektronski zahvat u sudarima brzih projektila sa vodoniku i helijumu sličnim metama
(Универзитет у Нишу, Природно-математички факултет, 30-11-2021)
Electron capture is a process which garners scientific interest for a
number of reasons, ranging from a purely fundamental atomic physics
standpoint to more practically oriented interdisciplinary applications,
such as ...