X-ray diffraction is a crucial method for characterizing crystalline materials, widely employed in the analysis of both products and raw materials in the cement industry, including clinker, cement, and limestone. Quantitative phase analysis via X-ray diffraction necessitates sophisticated computational tools to accurately interpret diffraction patt...

By Marina Jovanović, Adnan Mujkanovic, Nevzet Merdic, Nedžad Haračić, Vinko Baranašić

This paper examines all transport properties (such as e.g. mechanical resistance, electrical and thermal conductivity, photosensitivity, magnetization, etc.) which are caused by the electron motion in crystalline nanofilms, with two sublattices. We have performed theoretical research using the method of two-time and temperature-dependent Green's fu...

By Siniša Vučenović, Jovan Šetrajčić, Nikola Vojnović

In this paper, we studied the superlattice model, as a special class of materials in which the "nodes" of the crystal lattice are made up of interconnected thin films with a certain regular and periodic arrangement. We have theoretically determined the energy spectra that exciton quasiparticles can have in these structures. The number of film layer...

By Jovan Šetrajčić, Siniša Vučenović, Matilda Vojnović

The depletion of fossil fuel reserves and the increasing environmental concerns regarding their production and combustion have led to an exponential rise in interest in biofuels [1], among which biodiesel has attracted attention due to its characteristics such as high biodegradability, non-toxicity, and low emissions of carbon monoxide, particulate...

By Azra Halilović, Sabina Begić, Zoran Iličković, Amna Karić

For die industry where future products have decisive roles for material selection, subject of steel is an area of ​​interest with high potential for innovation. With new production technologies that prioritize knowledge, the quality of materials has improved significantly and these developments continue. Material selection in die design is an impor...

By Aslan UNAL

The aim of the research conducted in this paper is to analyze the cadmium content in particulate matter PM10 for the period of 2020–2024, and thereby provide a realistic assessment of whether there has been a significant reduction in cadmium emissions into the atmosphere of Zenica due to the replacement of fossil fuels for the city’s he...

By Farzet Bikić, Halim Prcanović, Mirnes Duraković, Naida Bikić, Sanela Beganović

This paper investigates the effects of oil quenching and tempering at various temperatures on the mechanical and structural properties of X155CrVMo12-1 tool steel. The steel specimens were austenitized at 1030 °C for half an hour, followed by quenching and tempering at different temperatures. Mechanical properties were assessed by measuring the...

By Uroš Stamenković, Ivana Marković, Srba Mladenović, Dragan Manasijević, Petar Milanović, Milan Nedeljković

Steels for rolling bearings are important in the world production of special steels. They are used for the production of rolling bodies and rings. Since these are very responsible parts in machine construction, high-quality standards are required for these steels. The service life of rolling bearings, in addition to working conditions also depends ...

By Almaida Gigovic-Gekic, Diana Ćubela, Hasan Avdusinovic, Amer Karic, Branka Muminovic

This study evaluates three hybrid electrocoagulation (EC) processes with aluminium electrodes: EC-zeolite process (EC+Z), EC-zeolite-ultrasound-assisted process (EC+Z+US), and EC-zeolite-magnet-assisted process (EC+Z+MAG) for compost wastewater treatment with large content of organic matter. The focus was on evaluating the effects of these processe...

By Nediljka Vukojević Medvidović, Ladislav Vrsalović, Sandra Svilović, Senka Gudić, Ivona Čule

The BAS EN ISO/IEC 17025 standard gives the laboratory the opportunity to accredit the statement of conformity. The statement of conformity is provided in accordance with the specification, standard or costumer requirement. Prior to issuing the statement of conformity, the accredited laboratory, in cooperation with the costumer, must document the d...

By Branka Muminovic, Omer Beganovic, Sinha Korlat-Mahmić, Alma Čelebić-Malkić