Претраживање
Приказ резултата 1841-1850 од 1880
Električna provodnost PMMA kompozita punjenih bakarnim prahom / Electrical conductivity of PMMA composites filled with copper powder
(Belgrade, Serbia : Serbian Society of Corrosion and Materials Protection UISKOZAM / Beograd, Srbija : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM, 2016)
Ovaj članak se bavi sintezom i karakterizacijom elektroprovodnih kompozitnih materijala toplim moldovanjem mešavina polimetilmetakrilata (PMMA) i elektrohemijski dobijenog bakarnog praha, kao i ispitivanjem uticaja morfologije ...
Possibilities of using sulfur for concrete production and its application
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije - SMEITS, 2015)
Two types of concrete will be shown in this paper. First type of concrete is sulfur concrete, where part of Portland cement was replaced with sulfur. Second type of concrete is selfcompacting concrete, where sulfur replaced ...
Chromium, Nickel, and Cobalt in soils of Srem and C. Banat
(Ecological Movement of Novi Sad, 2017)
This paper reports the concentration and sources of chromium, nickel and cobalt in soil samples from the Srem and Central Banat (Vojvodina, Serbia). Different methods were applied to identify the sources of elements and ...
Particle size distribution of iron ore sludge determined by using different methods and iron content by size class
(University of Banja Luka Faculty of Mining PrijedorMining Institute Belgrade Ltd, 2017)
This paper presents the results of the study of the particle size distribution of the limonite sludge that occurs as a hydro-cyclone overflow in the Omarska iron mine. The primary role of the precise
characterization of ...
Novel method for synthesis of biocompatible hydroxyapatite/passive oxide layer on modified titanium surface
(Belgrade, Serbia : Serbian Society of Corrosion and Materials Protection UISKOZAM / Beograd, Srbija : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM, 2017)
Hydroxyapatite (HAp) is the most suitable biocompatible material for bone implant coatings. However, its brittleness is a major obstacle, and that is why, recently, research focused on creating composites. In this study, ...
The influence of the size and surface modification of TIO2 nanoparticles on the rheological properties of alkyd resin / Uticaj veličine nanočestica TIO2 i njihove površinske modifikacije na reološka svojstva alkidne smole
(Association of Chemical Engineers of Serbia, 2013)
Spherical TiO2 particles of different size were dispersed in alkyd resin based on soybean oil. Four samples of TiO2 particles were used, three commercial and one obtained by acid catalyzed hydrolysis of titanium ...
Electric Properties of Biodegradable Copper Filled Poly(Lactide-co-Glycolide) Composites
(Zvornik, Republic of Srpska, B&H : Faculty of Technology, 2019)
The results of experimental studies of the properties of composite materials based on Poly(lactide-co-glycolide) (PLGA) matrix filled with electrolytic copper powder, having very high dendritic structure, are presented in ...
There are two twin shadows, but Einstein is one!
(Society of Thermal Engineers of Serbia, 2012)
2011 is the international year of chemistry, and it is exactly 100 years past after the P. Langevin promotion of “twin paradox” problem. The hundred year old problem still demands its solution. Twin paradox, established ...
The roughness of surface of aluminum after chemical and electrochemical treatment / Hrapavost površine aluminijuma nakon hemijske i elektrohemijske obrade
(Belgrade, Serbia : Serbian Society of Corrosion and Materials Protection UISKOZAM / Beograd, Srbija : Udruženje inženjera Srbije za koroziju i zaštitu materijala UISKOZAM, 2017)
In this paper chemical and electrochemical treatment of aluminium and measurement of roughness were carried out. Before chemical or electrochemical treatment of aluminium samples chemical preparation is done to remove oxide ...
Monitoring efekata toplote hidratacije betona
(University of East Sarajevo, Faculty of Electrical Engineering, 2018)
U ovom radu su praćeni efekti toplote hidratacije različitih betona upotrebom termovizijske kamere i termodavača priključenih na osmokanalni sistem za monitoring temperature na bazi PC i LabVIEW paketa, razvijen za potrebe ...