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Spatio-temporal variabilty of air temperatures in Central Serbia from 1949 to 2018
(2021-06-20)
The paper presents trends for three categories of variables: average annual, average maximum and average minimum air temperatures. Data was provided by the meteorological yearbooks of the Republic Hydrometeorological Service ...
GIS and geographical analysis of the main harbors in the world
(2021-05-28)
This paper points out the possibilities of better exploitation of marine traffic as well as its connection with other kinds of traffic. Special attention is given to the analysis of 1,081 harbors about their availability ...
Assessment of soil erosion rates using Revised Universal Soil Loss Equation (RUSLE) and GIS in Bačka (Serbia)
(2021-10-01)
Soil erosion assessment enables the identification of manifested soil erosion categories, their spatial distribution and the relationship between soil erosion and land use patterns. The integrated approach of the RUSLE ...
Identification of synthetic cannabinoid methyl 2-{[1-(cyclohexylmethyl)-1H-indol-3-yl] formamido}-3-methylbutanoate using modern mass spectrometry and nuclear magnetic resonance techniques
The samples of plant material suspected to contain
new psychoactive substances are very often the subject
of chemical-toxicological analyses. Gas chromatographymass
spectrometry (MS), liquid chromatography-quadrupole
...
Overview of the major classes of new psychoactive substances, psychoactive effects, analytical determination and conformational analysis of selected illegal drugs
The misuse of psychoactive substances is
attracting a great deal of attention from the general public.
An increase use of psychoactive substances is observed
among young people who do not have enough awareness
of the ...
Application of Electrochemically Synthesized Ferrates (VI) for the Removal of Th(IV) From Natural Water Samples
The efficiency of the application of electrochemically generated Na2FeO4, for the purpose of the elimination of Th(IV) ions from water samples as coagulating agent was investigated. Th is a radioactive element often used ...
Assessment of observed and projected climate changes in Bačka (Serbia) using trend analysis and climate modeling
(Hungarian Meteorological Service, 2022-03-08)
Climate change is one of the largest environmental issues causing hydroclimatological extremes such as floods, droughts, and aridity. The aim of this study is to assess the observed and projected climate changes in Bačka ...
A Stochastic Model for Achieving Required Level of Availability Based on the Repair Rate Analysis
(Strojarski fakultet u Slavonskom Brodu; Fakultet elektrotehnike, računarstva i informacijskih tehnologija Osijek; Građevinski i arhitektonski fakultet Osijek, 2019-07-25)
The aim of this paper is to set framework for the repair rate in order to achieve required availability of a repairable system with alternating renewal process where the failure rate is Weibull distributed. In order to ...
Average Bit Error Rate Calculation Based on Using Piecewise Spline Approximation
In this paper, an approximation of the average bit error rate (ABER) probability expression, standard performance measure of wireless transmission over fading channels using linear spline functions with corresponding number ...
Novel Composite Approximation for the Gaussian Q-Function
(Kaunas University of Technology, 2020-10-27)
This paper, by using Borjesson’s and Benitez’s approximation of Q-function, presents a novel and improved composite approximation of Q-function with wide applicability. The presented approach is very general and can be ...