Prikazano Природно-математички факултет za naslov
Prikaz rezultata 65-84 od 269
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DOPRINOS FIGURATIVNIH BROJEVA RAZVOJU VIZUELNO LOGIČKOG PRISTUPA REŠAVANJU ZADATAKA SA BROJNIM NIZOVIMA
(Univerzitetska misao - časopis za nauku, kulturu i umjetnost, Novi Pazar, 2018-05-01)Savremena nastava matematike na svim nivoima obrazovanja uglavnom se svodi na primenu algebarskih formula i algebarskih postupaka. Vizuelno-logički pristup sagledavanju i rešavanju matematičkih zadataka vrlo malo je prisutan ... -
E-Learning in Higher Education – An Overview of Strategic Planning
(2019-10-03)Implementation of E-Learning is one of the ways of applying modern information technologies to achieve a high quality of higher education. The transition of higher education institutions towards E-Learning should be an ... -
Easily Prepared Co3O4 Doped Porous Carbon Material Decorated with Single‐wall Carbon Nanotubes Applied in Voltammetric Sensing of Antioxidant α‐lipoic Acid
The homemade, porous carbon material, thermolysis prepared from Novolac phenol-formaldehyde resin, in situ modified with Co3O4 nanoparticles and mixed with single-wall carbon nanotubes, was used in selective sensing of ... -
Education in step with modern radon research
(2018-10-07)Sistemska merenja koncentracije radona senajčešće izvode na slučajnim uzorcima stambenih objekata. -
Edukacija u korak sa savremenim istraživanjima radona
(Društvo fizičara Srbije, Beograd, 2018-10-07)Sistematska merenja koncentracije radona se najčešće izvode na slučajnim uzorcima stambenih objekata. Međutim, škole se mogu pokazati kao pogodniji izbor, jer su uniformno raspoređene po celoj teritoriji područja ili ... -
Effect of silica on the properties of elastomeric materials based on NR/BR/SBR ternary rubber blend
(University of Banja Luka, Faculty of Technology, Banja Luka, 2018-11-02)The effects of pyrogeneous silica on the mechanical properties of elastomeric materials based on natural rubber (NR), polybutadiene rubber (PB) and styrene butadiene rubber (SBR) are reported. For sample preparations the ... -
Effect of silica on the properties of elastomeric materials based on NR/BR/SBR ternary rubber blend
(University in Banjaluka, Faculty of Technology, 2018-11-02)The effects of pyrogeneous silica on the mechanical properties of elastomeric materials based on natural rubber (NR), polybutadiene rubber (PB) and styrene-butadiene rubber (SBR) are reported. For sample preparations the ... -
The effect of UV irradiation on hydrolytic stability of urea-formaldehyde resins filled with thermally modified montmorillonite
(RAD Centre, Niš, Serbia, 2019-06-10)The hydrolytic stability of organic-inorganic nano-composites prepared by a two-stage polymerization of urea-formaldehyde resin (UF) filled with thermally activated montmorillonite (MMT) has been assessed before and after ... -
The effect of UV-irradiation on the thermal stability of modified urea-formaldehyde resins with thermally activated montmorillonite
(RAD Centre, 2021-06-14)The montmorillonite as a 2:1 smectite type clay has two tetrahedral sheets of silica sandwiching the alumina octahedral sheet. The particles of this mineral are plate-shaped with the thickness of 0.96 nm and an average ... -
Effective doses estimated from the results of Direct Radon and Thoron Progeny Sensors (DRPS/DTPS), exposed in selected regions of Balkans
The main contribution to population exposure is due to radon and thoron progenies and not radon itself. The aim of this study was therefore to estimate annual effective dose using the results of Direct Radon and Thoron ... -
Efficient Numerical Methods for Analysis of Square Ratio of kappa-mu and eta-mu Random Processes with Their Applications in Telecommunications
We will provide statistical analysis of the square ratio of and random processes and its application in the signal-to-interference ratio (SIR) based performance analysis of wireless transmission subjected to the influence ... -
Einstein type curvature tensors and Einstein type tensors of generalized Riemannian space in the Eisenhart sense
By using decomposition of curvature tensors of generalized Riemannian space in the Eisenhart sense, the Einstein type curvature tensors and Einstein type tensors of that space are determined and defined. All these tensors ... -
Elastomers based on NR/BR/SBR ternary rubber blend: morphological, mechanical and thermal properties
(Association of Chemical Engeneers of Serbia, 2019-01-24)The elastomeric materials based on NR/BR/SBR ternary rubber blend were investigated. The polyisoprene (NR), butadiene (BR) and styrene butadiene (SBR) rubbers were used as network precursors and carbon black (CB) as an ... -
ELECTRONIC TEXTBOOKS AS AN E-LEARNING TOOL: AN OVERVIEW AND AN EFFORT FOR A FORTHCOMING STUDY
(Управљање знањем - Зборници, 2020-01-13)Ово је концептуални рад на проучавању употребе електронских уџбеника (е-уџбеник) као алата за е-учење. Истраживачки рад разматра литературу о основним концептима е- уџбеника. У раду се разматрају и анализирају ранија ... -
Elemental concentrations and soil-to-moss transfer factors of radionuclides in the environment of North Kosovo and Metohija
This paper deals with investigations of elemental concentrations and soil-to-moss transfer factors of radionuclides in area of municipalities Kosovska Mitrovica and Zubin Potok. Twelve samples of soil and moss Hypnum ... -
Enhanced bandwidth of W type plastic optical fibers designed from singly clad step index plastic optical fibers
(Elsevier, 2018-11-02)We propose a multimode W type (doubly clad) plastic optical fiber which takes the characteristic W-shaped index profile designed from a multimode singly clad step index plastic optical fiber upon modification of the cladding ... -
Enhancement of the bandwidth of W-type glass optical fibers in the infrared wavelength region
(Elsevier, 2018-08-28)Transmission characteristics (bandwidth and steady state loss) of multimode W-type glass optical fibers are investigated by solving the time-dependent power flow equation. Results show how the bandwidth in W-type glass ... -
Environmental radioactivity with respect to geology of some Serbian spas
(Springer, 2018-05-17)This study was performed in order to investigate gamma dose rates, radon exhalation rates and soil radioactivity with respect to geology. Fifteen locations in three Serbian spas were under investigation. Gamma dose rate ... -
Environmental risk assessment of radioactivity and heavy metals in soil of Toplica region, South Serbia
(Springer, 2018-03-13)Activity levels of natural and artificial radionuclides and content of ten heavy metals (As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn and Hg) were investigated in 41 soil samples collected from Toplica region located in the south ... -
Evaluation of azamethiphos and dimethoate degradation using chlorine dioxide during water treatment
Chlorine dioxide (ClO2) degradation of the organophosphorus pesticides azamethiphos (AZA) and dimethoate (DM) (10 mg/L) in deionized water and in Sava River water was investigated for the first time. Pesticide degradation ...