Prikazano Факултет техничких наука za datum izdavanja
Prikaz rezultata 61-80 od 131
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Application of the Fokker-Planck Kolmogorov equation to determining the mean value of nucleons generated by the direct ejection process
(Nuclear Technology and Radiation Protection, 2019)The statistical description of the process of direct nucleon ejection is the subject of this paper. This description is based on the generalized Fokker-Planck-Kolmogorov equation. The basic proposal is this: deterministic ... -
Synthesis and crystal structure of copper(II) complexes with pyridoxal S-methylisothiosemicarbazone bearing a new coordination mode
(Journal of the Serbian Chemical Society, 2019-01)The reaction of copper(II) nitrate and pyridoxal S-methylisothiosemicarbazone (PLITSC) in the presence of ammonium thiocyanate resulted in the formation of two types of complexes. A dimeric complex of the formula ... -
The proof of the Perepechko’s conjecture concerning near-perfect matchings on Cm x Pn cylinders of odd order
(Applicable Analysis and Discrete Mathematics, 2019-01)For all odd values of m, we prove that the sequence of the numbers of near-perfect matchings on Cm x P2n+1 cylinder with a vacancy on the boundary obeys the same recurrence relation as the sequence of the numbers of perfect ... -
Statistical modeling and optimization of ultrasound-assisted biodiesel production using various experimental designs
(Zastita Materijala, 2019-01)The present study compares the performances of the regression models developed by the response surface methodology combined with the full factorial, Box-Behnken or face central composite designs applied for the ... -
An analysis of energy efficiency in Wireless Sensor Networks (WSNs) applied in smart agriculture
(Computers and Electronics in Agriculture, 2019-01)In this paper the usage of Wireless Sensor Networks (WSN) in smart agriculture applications was analyzed. The main focus of the paper is on the power consumption of the various WSN components, on the both levels, physical ... -
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 ... -
Evaluation of information and communication technology sector in the teaching process and strategic collaboration between universities and industry
(COMPUTER APPLICATIONS IN ENGINEERING EDUCATION, 2019-02)The main purpose of the study was to evaluate the information and communication technology (ICT) sector in the teaching process based on teachers’ attitudes and the strategic collaboration between universities and industry. ... -
Synthesis of novel multi-functionalized pyrrolidines by [3 + 2] dipolar cycloaddition of azomethine ylides and vinyl ketones
(Monatshefte fuer Chemie/Chemical Monthly, 2019-02)An efficient and easy synthetic route to substituted pyrrolidine derivatives has been established through [3 + 2] dipolar cycloaddition of vinyl ketones and azomethine ylides. The reactions proceed smoothly, under mild ... -
Power flow in radial distribution systems in the presence of harmonics
(IJEEC - INTERNATIONAL JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTING, 2019-03)This paper presents the results of power flow calculations in the presence of harmonics in radial distribution systemsobtained using the decoupled harmonic power flow (DHPF) algorithm. In this algorithm, the interaction ... -
Study of microstructure and thermal properties of as-cast high carbon and high chromium tool steel
(Metallurgical and Materials Engineering, 2019-03)This work aims to investigate the microstructural and thermal properties of as-cast high carbon and high chromium cold work tool steel. The microstructure was investigated by using scanning electron microscopy with energy ... -
Isopiestic Determination of the Osmotic and Activity Coefficients of the {yNaH2PO4 + (1 − y)KH2PO4}(aq) System at T = 298.15 K
(Journal of Solution Chemistry, 2019-03)Isopiestic measurements have been made for aqueous mixtures of NaH2PO4 and KH2PO4 at T = (298.15 ± 0.01) K, at NaH2PO4 ionic strength fractions y = (0, 0.19108, 0.38306, 0.58192, and 1), assuming that both ... -
Effect of the cascade neutralization energy on the surface modification by the impact of slow highly charged ions
(University thought - Publication in Natural Sciences, 2019-03)e consider the neutralization dynamics of slow highly charged ions in the interaction with a metal surface covered with a thin dielectric film from the standpoint of the surface modification. The quasi-resonant two-state ... -
A transient thermal model for flat-plate photovoltaic systems and its experimental validation
(ELEKTRONIKA IR ELEKTROTECHNIKA, 2019-04)This paper describes a transient thermal model that accurately predicts the temperature of the open-rack mounted photovoltaic (PV) modules under varying atmospheric conditions. The PV module temperature is predicted by ... -
Experimental examination and thermodynamic description of the ternary Ag-Ge-Sn system
(The Journal of Chemical Thermodynamics, 2019-04)The ternary Ag-Ge-Sn system have been experimentally examined and thermodynamically modelled by using CALPHAD method. Experimental examination has been performed by using differential thermal analysis (DTA), differential ... -
Experimental investigation and thermodynamic calculations of the Bi-Ni-Pb phase diagram
(Journal of Mining and Metallurgy, 2019-04)The article presents an experimental study of a phase diagram of a ternary Bi-Ni-Pb system using differential thermal analysis (DTA), scanning electron microscopy (SEM) with energy dispersive spectrometry (EDS), and X-ray ... -
New Ecological Industrial Synthesis of Alkyl Thionocarbamate from Isopropyl Dixanthogenate
(Lecture Notes in Networks and Systems (LNNS), 2019-04)A novel synthesis of N-alkyl and N,N-dialkyl-O-isopropyl thionocarbamates from isopropyl dixanthogenate and primary and secondary amines have been developed on laboratory and applied on industrial scale production. Sodium ... -
Assessment of electronic system for e-patent application and economic growth prediction
(Physica A: Statistical Mechanics and its Applications, 2019-04)Information system development is a complex endeavor, one which is fraught with peril if one do not follow a proven method. The Rational Unified Process (RUP) is one such method which could help to organize the development ... -
Effect of Chemical Composition on the Microstructure and Properties of the Ag-Ga-Ge Alloys
(Journal of Materials Engineering and Performance, 2019-05)This study presents a comparison of thermodynamically calculated phase compositions of Ag-Ga-Ge alloys at fixed temperatures with phase analysis results of alloys annealed at respective temperatures. Three isothermal ... -
Potential of adaptive neuro-fuzzy methodology for investigation of heat transfer enhancement of a minichannel heat sink
(Physica A: Statistical Mechanics and its Applications, 2019-06)In this paper, the potential of adaptive neuro fuzzy inference system (ANFIS) was appraised for investigation of thermal performances of a minichannel heat sink for cooling of electronics using nanofluid coolant instead ... -
GA-based approach for optimal placement and sizing of passive power filters to reduce harmonics in distorted radial distribution systems
(Electrical Engineering, 2019-09)This paper presents a Genetic Algorithm-based approach for optimal placement and sizing of passive power filters to mitigate harmonics in radial distribution systems with linear and nonlinear loads. The problem is formulated ...