Soil is one of the most important natural resources. Measurement of natural radioactivity in soil is very important to determine the amount of change of the natural background activity with time as a result of any radioactivity release.Coal mine and thermal power plant in Gacko field is a very important industrial facility. The content of radionucl...

By Vesna Tunguz, Bojana Petrović, Zoranka Malešević, Slađana Petronić

Vertical distribution of species and infraspecies taxa of diatoms (Bacillariophyta) on well mosses where they live epiphytically, and a relative number of individuals per surface area unit were followed in 8 open wells with shadoof. Researches were conducted during 2015-2016 through four seasons. Sampling of algae material from well mosses that cov...

By Milenko Ćurčić, Dragica Milinković, Dragana Radivojević, Dijana Đurić

The study presents results of the measurements of the atmospheric nitrogen dioxide concentration and simultaneous meteorological variables: average temperature, air pressure, and relative humidity, speed and wind direction. The data were collected from July 2015 to June 2017 at stations located in Banja Luka (locality Centre). Nitrogen dioxide is o...

By Predrag Ilić, Zoran Popović, Suzana Gotovac-Atlagić

The Republic of Srpska, which is an integral part of Bosnia and Herzegovina, was affected by intense precipitation during May 2014 and May 2015. The northern part of the Republic of Srpska is located between the plain area of the Sava River and the mountain massif of the inner Dinarides, while the eastern and western parts are confined to the river...

By Neđo Đurić, Dijana Đurić

The paper deals with the themes of the Earth's orientation and rotation. The parameters of the Earth's orientation can be determined by several methods. The emphasis in this paper is the influence of ocean tides to determine the parameters of the Earth's orientation with one of the space-geodetic techniques, called Very long baseline interferometry...

By Maja Orihan, Mirko Borisov, Goran Marinković, M. Vladimir Petrović

The main objective of this paper is to study the outdoor thermal comfort of the central urban zone of Belgrade during summer season in order to examine how different bioclimatic conditions affect human body. For this purposes Humidex, a simple heat index was applied. The research involved analyzing different Humidex values, the so-called “sub-indic...

By Milica Lukić

Stone “Tenelija” is categorized as oolitic limestone. This stone was used to build a number of constructions in Herzegovina, and one of the most famous is the “Old Bridge” in Mostar. The stone is characterized by its specific physical and mechanical characteristics. Stone “Tenelija” has low uniaxial compression strength, low modulus of elasticity, ...

By Kenan Mandžić, Adnan Ibrahimović, Enver Mandžić

Changes in the structure and fragmentation of land plots, arising from the process of privatization and restitution, as well as from the realization of large-scale infrastructural projects in Southeast Europe and similar, actualize problems in terms of intensive agricultural production, and aesthetic and functional spacing design. The need for init...

By Goran Marinković, Jelena Lazić, Slobodan Morača, Ilija Grgić

Тhe mining industry in the 21st century needs fundamental changes in both technical and management technology, because many unresolved mining issues lead to building a structured and directly applicable management model that would be managing tool by the mine production system.The aim of this paper is to define a model for the management of discont...

By Vladimir Malbašić, Dimšo Milošević, Čelebić Miodrag

Efficient roadway management requires knowledge of the structural capacity of the roadway or the load-bearing capacity of the pavement structure. In order to determine the existing conditions of the pavement structure and define appropriate intervention measures, it is necessary to determine relevant impact on surface of the pavement structure on h...

By Mladen Čajić, Mirza Pozder, Branko Mazić, Sanjin Albinović, Ammar Šarić