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Arhiv za tehničke nauke / Archives for Technical Sciences N0 24

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Authors in this issue:

Alexandr Danilov, Boško Lugović, Dmitrii Vasenin, Dražana Tošić, Duško Torbica , Dževad Forčaković, Ekaterina Prokshits, Elvir Babajić, Eva Lenhardtová , Iana Zolotukhina, Iveta Štyriaková, Jarmila Nováková , Jaroslav Šuba , Jovan Popović , Katarína Čechovská , Katarína Žecová , Ľubica Kovaničová , Ľubomír Tuček , Marián Košuth , Nedim Suljić, Olga Sotnikova, Patrik Konečný , Rejhana Dervišević , Semen Podvalny, Sergey Gridnev , Tomáš Bakalár, Valery Krysanov, Vladimir Babenko, Vladimir Malbašić , Zehra Salkić, Zoltán Németh , Zuzana Danková,

Published: June 2021

Contents

June 2021 Original scientific article Architecture
ENHANCING THE INVESTMENT ATTRACTIVENESS AND EFFECTIVENESS OF THE SPECIAL ECONOMIC ZONE

Currently, the development of the country's economy is characterized by the trend of globalization, which is constantly developing, modernizing, acquiring new forms and features, which ultimately radically changed the way of the world economy. The task was set to analyze and propose options for improving the investment attractiveness and efficiency...

By SEMEN PODVALNY, IANA ZOLOTUKHINA, OLGA SOTNIKOVA, EKATERINA PROKSHITS

June 2021 Original scientific article Energy
PARAMETRIC OPTIMIZATION OF THE STRUCTURE OF CONTROLLED HIGH-VOLTAGE CAPACITOR BATTERIES

The article considers the issues of increasing energy efficiency of 6-10 kV controlled capacitor plants of power supply systems of energy-intensive facilities due to more accurate compensation of reactive power. Analysis of the most common circuits for connecting batteries of static capacitors using semiconductor and electromechanical switches was ...

By VLADIMIR BABENKO, ALEXANDR DANILOV, DMITRII VASENIN, VALERY KRYSANOV

June 2021 Original scientific article Geology
GEOCHEMISTRY AND PETROGENESIS OF OLIGOCENE DACITES FROM THE CENTRAL BOSNIA AND HERZEGOVINA WITH INSIGHT IN THE POSTCOLLISIONAL TECTONIC EVOLUTION OF CENTRAL DINARIDIC OPHIOLITE BELT

Magmatic rocks of post-Late Eocene magmatic formation are widespread in the Sava segment of SavaVardar suture zone and adjoin areas. The rocks formed as a response to transpressional-transtensional tectonic activity preceded by the Cretaceous-Eocene compression of the Internal Dinarides and Tisia Unit as fragments of Eurasian continental lithospher...

By ZEHRA SALKIĆ, BOŠKO LUGOVIĆ, ELVIR BABAJIĆ

May 2021 Review paper Mining
HAULAGE ANALYSIS IN THE AIM OF THE COMBINED SYSTEM APPLICATION ON THE LEAD AND ZINC MINE "SASE" SREBRENICA

One of the most important influencing factors on the economy of mines with surface and underground exploitation is the correct choice of haulage technology of ore and waste.The paper analyzes the haulage of ore and waste in the Lead and Zinc Mine “Sase” Srebrenica and determines the optimal haulage length on the four excavation blocks for the appli...

By DUŠKO TORBICA, VLADIMIR MALBAŠIĆ, DRAŽANA TOŠIĆ, JOVAN POPOVIĆ

May 2021 Original scientific article Mining
POTENTIALITY OF THE BUGOJNO COAL BASIN, BOSNIA AND HERZEGOVINA

This paper presents research results of the Bugojno coal basin, which contains very significant, but still insufficiently explored lignite reserves. Based on the determined borders of surface distribution and the research results in the northwestern part of the Bugojno coal basin, proved are four coal layers with reserves of over one billion tons o...

By DŽEVAD FORČAKOVIĆ, REJHANA DERVIŠEVIĆ

May 2021 Original scientific article Construction
INFLUENCE OF CREEP CONCRETE ON SPACE STABILITY THIN-WALLED DOME COVERINGS

The task was set, due to the capabilities of modern software systems, to assess the effect of the increase in inelastic deformations under prolonged load action on the loss of stability of thin-walled dome coverings. The study of the dependences of the forms of the loss of stability of dome covering from creep concrete that will help further with o...

By SERGEY GRIDNEV, EKATERINA PROKSHITS, OLGA SOTNIKOVA, IANA ZOLOTUKHINA

May 2021 Original scientific article Construction
INFLUENCE OF ROUGHTY OF A RECTANGULAR OPEN CHANNEL ON FLOW SPEEDS AND WATER FLOW

This paper presents an analysis of water flow and flow velocity in an open channel of rectangular cross section as a function of channel roughness, ie Manning roughness coefficient. Three different cases of finishing the open channel of rectangular cross-section were analyzed, namely the concrete channel, the channel with smoothed cement mortar and...

By NEDIM SULJIĆ

May 2021 Original scientific article Chemical Tehnology
CHEMICAL LEACHING OF CONTAMINATED SOIL – CASE STUDY

This study presents results of chemical leaching of contaminated soil from several metallurgically loaded locality of Richnava in Slovakia, applying two chelants – Na2EDTA and Na3EDDS of different molar concentration, done at different leaching conditions. The lower molar concentration (2 mM) of chelants showed comparable effect on Mn, Ni, As...

By ZUZANA DANKOVÁ, IVETA ŠTYRIAKOVÁ, ĽUBICA KOVANIČOVÁ, KATARÍNA ČECHOVSKÁ, MARIÁN KOŠUTH, JAROSLAV ŠUBA, JARMILA NOVÁKOVÁ, PATRIK KONEČNÝ, ĽUBOMÍR TUČEK, KATARÍNA ŽECOVÁ, EVA LENHARDTOVÁ, ZOLTÁN NÉMETH

May 2021 Original scientific article Chemical Tehnology
COMPETITIVE ADSORPTION OF CR(VI), K(I) AND NH4(I) IONS ONTO NATURAL ZEOLITES AND BENTONITES

Chromium, ammonium, and potassium compounds are pollutants in the environment released mainly by industrial wastewater and they can negatively influence the quality of surface water. Zeolites and bentonites are commonly used adsorbents for removal of pollutant from water. In the study, the adsorbents were used in their natural form, without chemica...

By TOMÁŠ BAKALÁR

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