Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Gvozden Jovanović"'
Autor:
Gvozden Jovanović, Dragomir Glišić, Stefan Dikić, Bojan Međo, Branislav Marković, Nikola Vuković, Nenad Radović
Publikováno v:
Materials, Vol 16, Iss 22, p 7192 (2023)
Two medium-carbon microalloyed steels with a predominant acicular ferrite microstructure were investigated in this study in order to determine the initial micro-crack formation mechanism and the role of acicular ferrite structure in cleavage fracture
Externí odkaz:
https://doaj.org/article/3e2d309069264efaa51cc41d9751e48d
Autor:
Gvozden Jovanović, Mladen Bugarčić, Nela Petronijević, Srecko R. Stopic, Bernd Friedrich, Branislav Marković, Srđan Stanković, Miroslav Sokić
Publikováno v:
Metals, Vol 12, Iss 12, p 2021 (2022)
Electric waste from numerous devices that are put out of use every day has some form of printed circuit board that contains precious and valuable metals in their components. In order to extract these metals, the printed circuit boards were crushed an
Externí odkaz:
https://doaj.org/article/887bc245006b4a4dab16d13579fdde74
Autor:
Nela Petronijević, Dragana Radovanović, Marija Štulović, Miroslav Sokić, Gvozden Jovanović, Željko Kamberović, Srđan Stanković, Srecko Stopic, Antonije Onjia
Publikováno v:
Water, Vol 14, Iss 20, p 3244 (2022)
Acid mine drainage (AMD) is a waste from mining sites, usually acidic, with high concentrations of sulfates and heavy metal ions. This study investigates the AMD neutralization process using fly ash (FA) as an alternative material. Samples of FA from
Externí odkaz:
https://doaj.org/article/cebc7c38f82b4c04b71d5fe9cecd207f
Publikováno v:
Materials, Vol 15, Iss 5, p 1760 (2022)
Cleavage fracture of the V and Ti-V microalloyed forging steels was investigated by the four-point bending testing of the notched specimens of Griffith-Owen’s type at −196 °C, in conjunction with the finite element analysis and the fractographic
Externí odkaz:
https://doaj.org/article/c4e96b14aae04effa651a21184cd211f
Publikováno v:
Metals, Vol 11, Iss 7, p 1011 (2021)
Isothermal transformation characteristics of a medium carbon Ti-V microalloyed steel were investigated using light microscopy, scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and by uniaxial compressive testing.
Externí odkaz:
https://doaj.org/article/64e3c1d7b6f94befbc0d883ef25142be
Publikováno v:
Tehnika (2023) 78(1):103-108
Scientists discovered plastic in the early 1900s, but didn't realize the detrimental effects its fragmentation could have on the environment 100 years later. In particular, nanoplastics (NPs) particles ranging in size from 1 to 100 nm can cause major
Autor:
S Aleksandra Pataric, V Dušan Milojkov, D Miroslav Sokić, R Branislav Marković, R Katarina Pantović-Spajić, D Mladen Bugarčić, B Gvozden Jovanović
Publikováno v:
Tehnika, Vol 76, Iss 4, Pp 426-436 (2021)
The results of polymetallic sulphide Cu-Zn-Pb concentrate leaching with sulphuric acid in the presence of sodium nitrate as an oxidizing agent, at atmospheric pressure, are presented and discussed. Chemical composition and phase ratio of the starting
Publikováno v:
Materials
Materials; Volume 15; Issue 5; Pages: 1760
Materials; Volume 15; Issue 5; Pages: 1760
Cleavage fracture of the V and Ti-V microalloyed forging steels was investigated by the four-point bending testing of the notched specimens of Griffith-Owen’s type at −196 °C, in conjunction with the finite element analysis and the fractographic
Autor:
Gvozden Jovanović, Katarina Marković
Publikováno v:
Acta Agriculturae Serbica, Vol 19, Iss 37, Pp 15-26 (2014)
The aim of marketing management is to satisfy the needs and desires of consumers. A lot of factors have influenced the consumers and their purchasing. Besides price and assortment factors there are requirements of consumers for the quality of a produ