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Fotoakustička karakterizacija materijala visokog stepena optičke providnosti - teorijska razmatranja, eksperimentalna merenja i analiza rezultata
(Универзитет у Нишу, Природно-математички факултет, 2023)
Main advantage of photoacoustic, in comparison to other characterization methods, is its non-destructive nature. Another one, potentially, is the prospect of simultaneous measurement of various physical properties. In order ...
Uporedne karakteristike populacije šumske kornjače (Testudo hermanni Gmelin) u istočnoj i jugoistočnoj Srbiji sa aspekta strukture, izbora staništa i antropogenog uticaja
(Универзитет у Нишу, Природно-математички факултет, 2023)
The research was conducted at four localities in Serbia, from which two are situated in eastern Serbia: Čemor and Gonjište, and two in southeаstern Serbia: Kunovica and Pašina česma. The localities Gonjište and Pašina česma ...
Dinamika nekih stohastičkih modela širenja bolesti
(Универзитет у Нишу, Природно-математички факултет, 2023)
The topic of this doctoral dissertation is the application of stochastic differential equations in epidemiology in the modeling of the spread of some diseases (addiction, infectious and hematological diseases). Based on ...
Ispitivanje reakcija građenja acetala pomoću trifenilfosfina i ugljen-tetrahlorida i oksidativnim aminovanjem metil-ketona pomoću joda i amina
(Универзитет у Нишу, Природно-математички факултет, 2023)
The aim of this doctoral dissertation was the development of a new method for the synthesis of acetals using a combination of reagents PPh3 and CCl4, directly from aldehydes and stoichiometric amounts of alcohol, under ...
Dejstvo melatonina na regulaciju noradrenalinske neurotransmisije u mozgu, srcu i nadbubrežnim žlezdama u animalnom modelu depresije
(Универзитет у Нишу, Природно-математички факултет, 2023)
The hippocampus is a brain structure highly sensitive to stress. Melatonin plays a role in maintaining the circadian rhythm, and its antioxidant properties have been confirmed. Chronic mild unpredictable stress (CUMS) is ...
Komparativna analiza efekata mešavine lekovitog bilja i derivata sulfoniluree na sekundarne imlikacije dijabetisa kod pacova
(Универзитет у Нишу, Природно-математички факултет, 2023)
Diabetes is a systemic disorder of carbohydrate and lipid metabolism in which chronic hyperglycemia leads to a number of secondary complications such as non-alcoholic fatty liver disease, nephropathy, retinopathy, osteoporosis, ...
Perturbacije uopštenih inverza elemenata u prstenima
(Универзитет у Нишу, Природно-математички факултет, 2023)
The topic of this doctoral dissertation is the study of some perturbation properties of generalized inverses of the elements in rings with or without involution, as well as in Banach algebra and C*-algebra. So far, the ...