This paper shows organic matter composition (humic acids, fulvic acids, humins) and fractions of humic (free and bounded with mobile R2O3 (HA1), bounded with Ca (HA2), and bounded with clay and stabile R2O3 (HA3)), and fulvo acids (free and bounded with mobile R2O3), bounded with HA1, bounded with HA2, and bounded with HA3), in Rendzina soils on di...

By Svjetlana Radmanović, Aleksandar Đorđević, Nataša Nikolić

The mineral composition of plant extracts from the Boraginaceae family was examined in this paper. The research includes the plants: Anchusa officinalis L., Echium vulgare L. and Echium italicum L. Content analysis of the elements was done using inductively coupled plasma with a mass spectrophotometer. The results of the study showed that the extra...

By Ivana Bošković, Dragutin Đukić, Pavle Mašković, Leka Mandić, Svetlana Perović, Aleksandra Govedarica Lučić, Zoranka Malešević

The purpose of the wastewater treatment plant project is to implement and achieve the goals set in the water management bases of the Republika Srpska and the Federation of BiH, which identified the necessary sectoral investments and the development of the institutional capacity needed to meet the requirements of the European directives. By implemen...

By Nebojša Knežević, Dušica Pešević, Igor Milunović

First two paramount problems of the world are food security and energy. Permaculture is a new interdisciplinary branch of the science, which has positive synergistic effects and solves both problems, including environmental care. The paper analyzed the holistic principles of permaculture design and possible application in the flats, gardens in the ...

By Svetlana Stevovic, Jovana Jovanovic, Dijana Djuric

The natural bentonite and bentonite/iron oxide composite were used as sorbents of Cu(II). Their sorption properties were examined under the different conditions such as pH of the solution, initial metal ion concentration. The bentonite removed 71 % Cu(II) while composite 90 %. Their maximum adsorption capacities were 34.1 and 44.4 mg Cu(II) g -1, r...

By Zuzana Danková, Zuzana Dakos, Iveta Štyriaková, Alexandra Bekényiová

Each local, self-government unit which is planning to develop and later implement the project of land consolidation is confronted with the problem of choosing the cadastral municipality for land management via land consolidation. The appliance of multi-criteria decision method enables and helps the decision makers to act regularly and correctly whe...

By Goran Marinković, Jelena Lazić, Ilija Grgić, Zoran Ilić

Mineral resources as natural resources constitute the backbone of the development of the national economy of each country, and their valorization should be classified into its strategic development plans. Polyvalent industrial branches of the economy today are unthinkable without adequate supply of raw materials, analysis of raw material base, thei...

By Damir Baraković

The main goal of the research was to determine to which extent the copper (Cu) is dominant in the topsoils of Tuzla's area. Considering the defined goal, the detailed soil analyze for the presence of this element in the area of Tuzla, was carried out. The terrain work was based on soil sampling (240 samples) from the area of about 303 km2 . The sam...

By Željka Stjepić Srkalović

Noise pollution may have negative impacts on human health and environmental. The primary aim of this study is was to determine and mapping the noise pollution in the urban part of the city Banja Luka in Bulevar Cara Dušana by evaluating noise levels in the boulevards. The aim of this investigation is also compare measured noise levels in the boulev...

By Predrag Ilić, Dragana Nešković Markić, Ljiljana Stojanović Bjelić

The term "explosive atmosphere" is frequently encountered in industry. Typically hazardous areas are found in chemical plants, refineries, paint and varnish workshops, plants for goods grinding, in the storages of combustible gas, liquids and solid substances. In such hazardous areas we must always pay attention to all normal but also abnormal work...

By Nebojša Knežević