Manure management in intensive livestock production represents a major environmental challenge due to gas emissions, nutrient losses, and potential air and water pollution. Biochar is a carbon-rich material produced through biomass pyrolysis under limited oxygen conditions. It is used as an amendment in manure management systems due to its porous s...

By Suzana Knežević, Milena Milojević, Maja Došenović Marinković, Aleksandra Milošević

Hydraulic fluids are essential for power transmission, lubrication, cooling and corrosion protection in modern mechanical systems. Although petroleum-based hydraulic oils are still widely used, their flammability, limited thermal stability, environmental persistence and dependence on complex additive packages motivate the search for safer and more ...

By Milan Vraneš, Andrija Vukov, Teona Teodora Borović, Jovana Selak, Snežana Papović, Sara Klimenta

The subject of this paper is the examination of the correlation between crisis management strategies and the preservation of business continuity in the context of contemporary asymmetric global threats. In the era of “polycrisis,” characterized by the simultaneous impact of geopolitical tensions, hybrid threats, and climate change, trad...

By Ognjen Bakmaz, Predrag Obrenović

The paper presents an insight into the mathematical basis of fuzzy linguistic modeling and discusses the sensitivity of fuzzy rule-based systems with respect to membership function parameters, rule structure, and inference mechanisms. Examples with different inference models are analyzed and compared in order to illustrate their influence on the be...

By Nada Damljanović, Vucelja Lekić, Katarina Pavlović, Mladen Janjić

During the Covid-19 pandemic, the transition to online learning led to a significant increase in students’ autonomy in selecting and using educational materials. A survey involving 832 higher education students collected data on their preferences regarding types of learning materials, their perceived usefulness, and various aspects of their l...

By Aleksandra Stevanović, Marija Kaplar

Preschool institutions play a key role in laying the foundation for the overall development of a child, including physical, emotional, cognitive, and social aspects. Through various educational programs, special attention is given to physical activities that support the development of motor skills and the adoption of healthy lifestyle habits. Plann...

By Nebojša Švraka, Filip Pehar

This study aimed to examine the impact of various thawing methods (refrigerator, room temperature, and microwave oven) on the physicochemical and nutritional properties of beef meat (Longissimus dorsi). The following analyses were performed: weight loss, water content, ash, fat and protein content, water-holding capacity, colour, texture, water act...

By Danica Savanović, Ana Velemir, Snježana Mandić, Jovo Savanović, Branislav Šojić, Sara Rakić

A significant portion of oil remains trapped in reservoirs after primary and secondary recovery, creating the need for advanced enhanced oil recovery (EOR) techniques. One of the more efficient and environmentally friendly methods is the use of industrial CO₂ in the enhanced oil recovery process (CO₂-EOR). This paper provides an overview of the mec...

By Branislava Radišić, Slavica Prvulović

Great demands have been constantly made before students by contemporary education, expecting them not only to acquire academic knowledge, but also the development of various social and emotional competencies that contribute to their school success. Numerous studies indicate that  factors such as motivation, work habits and intellectual abiliti...

By Nedim Prelić, Danijela Jokanović, Nera Kravić Prelić

Additive technology is a valuable process for medical implant manufacturing. The most common metallic material in this area is the Ti6Al4V alloy. The research aimed to learn the implant material behaviour in saltwater environments. During the sodium chloride test, material quantity and quality loss need to be evaluated. The corrosion resistance tes...

By Tünde Anna Kovács, Ahmad Buhairi Minhalina Binti, Ferenc Haraszti, László Tóth, Hassanen Jaber, Zoltán Nyikes