Buildings consume 40% of primary energy and are responsible for 36% of greenhouse gas (GHG) emissions. Therefore, reducing energy consumption in buildings can lead to large energy savings, and thus to a reduction in GHG emissions and environmental protection. Nearly zero energy buildings have great potential for a significant reduction in ene...

By Ana Radojević, Danijela Nikolić, Jasmina Skerlić, Jasna Radulović

 Management of foreign exchange policy is complex activity for the leaders of economic policy and it cannot be autonomous, but has to be aligned with other measures of economic policy ( policy of managing demand, trend of monetary aggregates,export offer,etc.). Deficits from the trade balance, with constant overvaluing of local currency and in...

By Dejan Grujić

 Šabac is a city that has had a central wastewater treatment plant (WWTP) since 2017, which is very important from the aspect of protecting the health of the population and protecting the environment. The advantage of the plant is that it facilitates the business of economic entities in the city. They do not have to have their own waste...

By Suzana Knežević

 Sustainable supply of energy is possible only with an optimal combination of the characteristic benefits of each of the renewable energy sources. Unlike fossil fuels, biogas is a permanently renewable fuel, produced from biomass, which is a living storehouse of solar energy through photosynthesis. The use of biogas helps to improve the energy...

By Ljiljana Tanasić, Biljana Delić, Saša Spasojević, Bojan Damnjanović

 The paper deals with the research of the theoretical setting of the phenomenon of public urban spaces through the presentation of the analysis of research that describes the structure of public urban spaces in terms of the processes that take a place within them. It analyzes public life and the user's relationship with the city life, i.e., re...

By Dubravko Aleksić, Tanja Trkulja

 Public spaces are very important for urban life, and their traditional form are the streets. Streets occupy more than 80% of the total public space. The content of the street defines its character and the built, natural, social, cultural and economic context. Also, streets must be designed to respond to the many challenges that cities face, s...

By Tanja Trkulja, Dubravko Aleksić

 Dental composites are commonly used as restorative materials in dentistry, which helps to maintain a healthy tooth structure. In this work, dental composites were prepared by blending hexagonal boron nitride nanoparticle (h-BN) with glycidyl methacrylate (GMA) / Triethylene glycol dimethacrylate (TEGDMA) based on modified nanoparticles as fil...

By Vesna Teofilović, Henda S. A. Abdussalam, Jelena Pavličević, Ayse Z. Aroguz

 Alternative energy is any energy source that does not use fossil fuels (coal, natural gas, petroleum). Seven types of renewable energy are solar, wind, hydroelectric, ocean, geothermal, biomass, hydrogen energy. Solar and wind energy is widely available in Armenia due to geographic and climate conditions. A green economy is an economy that ai...

By Anna Arshak Mktchyan-Arshakyan, Marine Armen Nalbandyan

 The paper presents a study of the content of water - soluble and exchangeable forms of zinc in the dust on the main road M-17 through the city of Mostar. In the observed area, five localities were selected for the research of defined tasks. Dust samples were taken in one cycle (autumn 2018). The specified metal was determined in accordance wi...

By Marija Jevrić, Ivana Ćipranić, Nataša K. Vuković

 The performance of solar systems is affected by the value of its tilt angle with respect to the horizontal surface, where the variation of tilt angle changes the amount of incident solar radiation. In this paper, hourly extraterrestrial solar irradiance, beam, diffuse and solar radiation on the tilted surface is modeled and calculated based o...

By Snežana Dragićević, Milan Marjanović, Vojislav Vujičić, Danijela Milošević