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Synthesis, characterization, antioxidant and antimicrobial activity of novel 5-arylidene-2-ferrocenyl-1,3-thiazolidin-4-ones
(Journal of Organometallic Chemistry, 2018-08)Synthesis of twenty novel 5-arylidene-2-ferrocenyl-1,3-thiazolidin-4-ones has been achieved in good to excellent yields by the Knoevenagel condensation of 2-ferrocenyl-1,3-thiazolidin-4-ones with aromatic aldehydes. The ... -
Synthesis, characterization, hydrolytic, and thermal stability of urea–formaldehyde composites based on modified montmorillonite K10
(Springer, 2022-02-11)In this study, the thermal and hydrolytic properties of composite systems based on the urea–formaldehyde resin (UF) and eco-friendly montmorillonite (K10) as formaldehyde (FA) scavenger were examined. UF resin with molar ... -
Synthesis, complete assignment of 1H- and 13C-NMR spectra and antioxidant activity of new azine derivative bearing coumarin moiety
In this research, the synthesis of a new azine derivative with coumarin moiety was performed in three reaction steps, starting from 4-hydroxycoumarin. The first step in synthesis was the acetylation of 4-hydroxycoumarin ... -
Synthesis, structural and electrochemical characterization of novel 1,3-ketoureas bearing a ferrocenyl group
(Polyhedron, 2018-02)Twenty-two novel 1,3-ketourea derivatives bearing ferrocene moiety were synthesized in good-to-excellent yields (up to 99%) via simple and efficient protocol. This solvent- and catalyst-free synthesis was achieved by ... -
System Maintenance Decision Making Based on Repair Rate Statistics
This paper presents a novel approach for estimation of repair rate in an observed system comprised of two or more components. The presented approach is based on calculation of probability density function of maximal and ... -
System performances of sc reception in asymmetric multipath fading environments
(2019-06-23)The paper takes into consideration dual-branch selection combining (SC) diversity reception technique in the presence of dissimilar fading at their branches. We efficiently obtained first and second order closed form ... -
Teachers of physical education on improving the quality of teaching with continuous adjustments to the curricula
(Факултет спорта и физичког васпитања Универзитета у Нишу, 2018)Basic objections which are now attributed to modern teaching, its quality and efficiency are related to the curricula. Inadequate, outdated, too extensive and unadapted curricula affect the process of planning, programming ... -
Teacher’s Communicative Competence
(Medwell Journals, 2019)This study focuses on determining the self-assessment and assessment of the development of the communicative competencies of teachers. Since, teacher’s communicative competence is an insufficiently investigated research ... -
Techno-economic optimization of configuration and capacity of a polygeneration system for the energy demands of a public swimming pool building
(Thermal Science, 2018)A polygeneration system is an energy system capable of providing multiple energy outputs to meet local demands, by application of high process integration. In this paper, optimal configuration and capacity of a polygeneration ... -
Ternary NR/BR/SBR rubber blend nanocomposites
(SAGE, 2018-02-24)The goal of this work was to synthesize and characterize ternary rubber blends based on polyisoprene (natural rubber (NR)), polybutadiene rubber (BR), and styrene–butadiene rubber (SBR) (NR/BR/SBR = 25/25/50) reinforced ... -
Theoretical investigation of bandwidth of multimode step-index silica photonic crystal fibers
(MDPI, 2022-03-23)Solving the time-dependent power flow equation (PFE) provides a useful method to study the transmission bandwidth of step-index silica photonic crystal fibers (SI SPCFs). The transmission bandwidth of these kinds of ... -
Theoretical investigation of the capacity of space division multiplexing with step-index air-clad silica optical fibers
(MDPI, 2022-02-23)We studied the effect of mode coupling on the space division multiplexing (SDM) capabilities of multimode step-index (SI) air-clad silica optical fibers by numerically solving the power flow equation. Mode coupling ... -
Theoretical Investigation of the Influence of Wavelength on the Bandwidth in Multimode W-Type Plastic Optical Fibers with Graded-Index Core Distribution
(MDPI, 2021-11-17)The bandwidth of multimode W-type plastic optical fibers (POFs) with graded-index (GI) core distribution is investigated by solving the time-dependent power flow equation. The multimode W-type GI POF is designed from a ... -
Theoretical Study of Tool Holder Self-excited Oscillation in Turning Processes Using a Nonlinear Model
(International Journal of Acoustics and Vibration, 2018)In this paper, by observing a system which is composed from a workpiece and a tool holder, a dynamic and a mathematical nonlinear model is acquired. These models can be used as a theoretical foundation for research ... -
THE THERAPY OF CHRONIC VAGINAL CANDIDIASIS WITH EUGENOL FROM A COLD-PRESSED AND ETHERIC OIL A CASE REPORT
(Alma Mater Europaea, ECM, Alma Mater Press, 2021, 2021-03-12)Candida albicans is normally present in the body and the vaginal mucosa. It becomes over-developed in cases of a low immune system, after the use of antibiotics, steroids or contraceptives, diabetes, disorders of vaginal ... -
Thermal aging management for electricity distribution networks: FEM-based qualification of underground power cables
(Thermal Science, 2022-03)It is well-known that there is no PLAN-DO-CHECK-ACT (PDCA) approach that is used by electricity distribution network operators and asset managers of power cable systems. Accordingly, this paper proposes a novel application ... -
Thermal and exergetic investigation of a solar dish collector operating with mono and hybrid nanofluids
(Thermal Science, 2018)The use of solar dish thermal collectors is a promising choice for designing sustainable energy systems. The use of nanofluids is a new way for enhancing the thermal performance of solar collectors because of their improved ... -
Thermal behavior of gamma-irradiated urea-formaldehyde composites based on the differently activated montmorillonite K10
(Springer, 2022-07-09)This work investigated the thermal characteristics of irradiated composite materials formulated on the urea–formaldehyde resin (UF) and differently activated montmorillonite (K10). UF resin with molar ratio F:U = 0.8 was ... -
A thermal model for open-rack mounted photovoltaic modules based on empirical correlations for natural and forced convection
(Thermal Science, 2019-01-12)This paper proposes a thermal model for calculating the temperature of open-rack mounted photovoltaic (PV) modules taking into account the meteorological conditions, position (i. e. the inclination of one PV module and the ... -
Thermal Parameters Defined With Graph Theory Approach in Synthetized Diamonds
(Институт ВИНЧА, Универзитет у Београду, Србија, 2022)The Nanocrystaline diamonds are very important biomedical material with variety of applications. The experimental procedures and results have been done in the Institute of Functional Nanosystems at the University Ulm, ...