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Приказ резултата 1-10 од 43
Cavitation of refratory samples based on talc and domestic zeolite / Ispitivanje vatrostalnih uzoraka na bazi talka i domaćeg zeolita na dejstvo kavitacije
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Using domestic zeolite from Igroš as row material for ceramic samples for application in condition of cavitation erosion. Samples based on talc with 15 % of zeolite, from Igroš, sintered at 1200oC were used in this ...
Influence of whey proteins addition on mechanical stability of biopolymer beads with immobilized probiotics / Uticaj dodatka proteina surutke na mehaničku stabilnost biopolimernih nosača sa imobilisanim probioticima
(Savez inženjera i tehničara Srbije, Beograd, 2015)
Biopolymer carriers are widely used for immobilization of the bioactive compounds and different type of the cells. The aim of this study was to analyze influence of whey proteins addition on mechanical strength of Ca-alginate ...
Quality, sources and balancing of iron and steel scrap / Kvalitet, izvori i bilansiranje otpadaka gvožđa i čelika
(Savez inženjera i tehničara Srbije, Beograd, 2015)
Besides iron ore, the main raw material of iron and steel production is steel scrap. This paper presents the quality and sources of creation the iron and steel scrap and estimation of their creation in the future. The ...
Leaching of chalcopyrite concentrate by hydrogen peroxide in sulphuric acid solution / Luženje halkopiritnog koncentrata rastvorom sumporne kiseline i vodonik-peroksida
(Savez inženjera i tehničara Srbije, Beograd, 2019)
Due to complex mineralogy and/or low content of base metals, some ores and mineral concentrates are not suitable for pyrometallurgical treatment. Therefore, those ores and concentrates have to be treated by application of ...
Sepiolite from Serbian deposits as an industrial mineral / Sepiolit iz ležišta u Srbiji kao industrijski mineral
(Savez inženjera i tehničara Srbije, Beograd, 2015)
Long-termed geological exploration of sepiolite in Serbia has proved that there exist two structuralmorphological types of sepiolite deposits: the vein type - in ultrabasic rocks, associated with vein magnesite deposits ...
Infuence of solvent on the stability of electrospinning of PMMA nanofibers / Uticaj rastvarača na stabilnost procesa elektropredenja polimernih nanovlakana
(Savez inženjera i tehničara Srbije, Beograd, 2014)
In this paper the process of electrospinning of PMMA nanofibers was investigated. The influence of process parameters (type of solvent, solution concentration, flow rate, distance of needle and collector) on the nanofibers ...
An alternative route for valorization of valuable metals from jarosite residue / Alternativna metoda za valorizaciju vrednih metala iz jarosit ostatka
(Savez inženjera i tehničara Srbije, Beograd, 2019)
This paper aims to consider the treatment of jarosite residue using a different reducing agents, aluminum, magnesium, and carbon. The jarosite residue is not standard-it contains higher amounts of Pb and Ag, as well as in, ...
Development of refractory coatings for application in the Lost Foam casting process / Razvoj vatrostalnih premaza za primenu u Lost foam procesu livenja
(Savez inženjera i tehničara Srbije, Beograd, 2011)
In this work, the results of examining the possibilities of use of a number of ceramic powders for manufacturing the coatings for polymeric models and their application in the Loast Foam casting process. According to it, ...
The influence of mechanical activation of ceramic powders on the quality of casting coatings / Uticaj mehaničke aktivacije keramičkih prahova na kvalitet livačkih premaza
(Savez inženjera i tehničara Srbije, Beograd, 2011)
In order to increase the efficiency of coatings, the influence of mechanical activation has been studied by monitoring the changes of surface and energy state, the change of structure and properties of ceramic powders under ...
Measures and methods for NOx reduction from glass-melting furnaces / Mere i metode za smanjenja emisije oksida azota iz peći za topljenje stakla
(Savez inženjera i tehničara Srbije, Beograd, 2011)
The nitrogen oxides emitted to atmosphere effect significantly on formation of photochemical smog, acidic rains and destroying of ozone shell of the earth. Therefore, the regulations for limited emission of nitrogen oxides ...