Претраживање
Приказ резултата 11-20 од 37
The assessment and distribution of heavy metals in surface sediments from the reservoir 'Barje': Serbia / Procena sadržaja i raspodele teških metala u površinskom sedimentu akumulacije 'Barje' - Srbija
(Savremene tehnologije, 2014)
In this study, the nature of the association of heavy metals (Fe, Co, Ni, Cu, Cd, Pb, Mn, and Zn) in sediments of the recent reservoir 'Barje' (Leskovac, Serbia) was investigated. The aim was to make the identification of ...
Sustainable development and polymer materials / Održivi razvoj i polimerni materijali
(University of Belgrade, Technical Faculty in Bor, 2011)
In the last twenty years, a rapid growth in the application of polymer materials occurred in practically all fields of human activities, especially for packaging. Never the less, in the world and our country, quite often ...
Correction: Nanomaterials environmental risks and recycling: Actual issues (2014, vol. 7, p. 1) / Ispravka: Ekološki rizici i reciklaža nanomaterijala - aktuelna pitanja (2014, vol. 7, p. 1)
(University of Belgrade, Technical Faculty in Bor, 2016)
Editorial board of the 'Recycling and Sustainable Development' Journal in agreement with the authors of the article titled 'Nanomaterials environmental risks and recycling - actual issues' (D. Zivkovic, Lj. Balanović, A. ...
5S Elements as steps to bridge the gap in transmitter manufacturing process / 5S elementi kao koraci za premošćivanje procepa u procesu prozvodnje transmitera
(Zrenjanin: University of Novi Sad - 'Mihajlo Pupin' Technical Faculty, 2019)
In this paper, GAP analysis and 5S tool are applied in the case of realization of a compact pressure
transmitter. GAP analysis, combined with the 5S tool, can qualitatively indicate the critical points
in the manufacturing, ...
The analysis of cumin seeds essential oil and total polyphenols from postdestillation waste material / Analiza etarskog ulja plodova kumina i ukupnih polifenola u ostacima nakon destilacije
(Tehnološki fakultet, Leskovac, 2016)
The essential oil content in cumin samples from Serbian market ranged between 2.0 and 4.0%, with 22 identified compounds, among which the most abundant were cumin aldehyde, β-pinene, γ-terpinene, γ-terpinene-7-al and ...
Catalytic effect of sulphuric acid in the process of deposition of chromium coatings / Katalitički uticaj sumporne kiseline u procesu taloženja prevlaka hroma
(Belgrade, Serbia : Engineering Society for Corrosion, 2011)
This paper analyzes the catalytic effect of sulphuric acid on current efficiency, the coating thickness and the rate of deposition of electrochemical chromium coatings. According to the properties of chrome, there are three ...
Structural and mechanical properties of some aluminum-based binary alloys
(Institut za bakar Bor, 2012)
The purpose of this study is to investigate structural and mechanical properties of some aluminum-based alloys. Microstructures of the Al-Sn and Al-Zn binary alloys were examined using optic microscopy. The mechanical ...
Hydroxyapatite coatings on TiO2 nanotubes / Prevlake hidroksiapatita na nanotubama oksida titana
(Belgrade, Serbia : Engineering Society for Corrosion, 2010)
The aim of this work was to obtain nanotubular TiO2 layer by anodization of titanium substrate, and to prepare hydroxyapatite (HAP) coatings by electrophoretic deposition over nanotubular TiO2 layer. The presence of fluoride ...
Nanomaterials environmental risks and recycling: Actual issues / Ekološki rizici i reciklaža nanomaterijala - aktuelna pitanja
(University of Belgrade, Technical Faculty in Bor, 2014)
Nanotechnologies are being spoken of as the driving force behind a new industrial revolution. Nanoscience has matured significantly during the last decade as it has transitioned from bench top science to applied technology. ...
Printed antenna with circular polarization and a Tunable elevation angle
(Udruženje za mikrotalasnu tehniku i tehnologiju i IEEE MTT-S Chapter-a Srbije, Beograd, 2014)
Circularly polarized antenna with a possibility of tuning the elevation angle i.e. obtaining maximum radiation in either broadside or directions declined from the zenith is presented in the paper. The antenna consists of ...