Претраживање
Приказ резултата 31-40 од 141
Human health risk assessment due to natural radionuclides in soil affected by coal combustion: A case study from the surroundings of the largest thermoelectric power plant in Serbia / Procena rizika po zdravlje ljudi poreklom od prirodnih radionuklida u zemljištu usled sagorevanjem uglja u okolini najveće termoelektrane u Srbiji
(Naučno-stručno društvo za zaštitu životne sredine Srbije, ECOLOGICA, 2018)
The study was aimed at assessing the human health risk potentially induced by the presence of natural
radionuclides and their decay chain daughters in the soil of the area impacted by coal combustion in the
largest Serbian ...
Formation and development of damage of basalt under the effect of cavitation / Nastajanje i razvoj oštećenja bazalta pod dejstvom kavitacije
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
The paper examines the cavitation resistance of the cast basalt samples. Samples were obtained by melting, casting and thermal treatment of crushed basalt rocks from the Vrelo Kopaonik deposit. The experiment was conducted ...
Distribucija litogenih radionuklida u zemljištu Beograda
(Naučno-stručno društvo za zaštitu životne sredine Srbije – Ecologica, 2013)
Optimizing the content of nickel in flux-cored wire intended for welding micro-alloyed steels / Optimizacija sadržaja nikla u punjenoj žici namenjenoj za zavarivanje mikrolegiranih čelika
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2014)
This paper presents the results related to organizing production of flux-cored wire alloyed with Ni and Mo according to standard AWS A5.29 intended for the MAG welding process. On the experimental line for steel strip ...
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 ...
Characterization of vacuum plasma spray NiCoCrAlY coating resistant to high temperature oxidation / Karakterizacija vakuum plazma sprej prevlake NiCoCrAlY otporne na visokotemperaturnu oksidaciju
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
Protective vacuum plasma spray VPS - NiCoCrAlY coating is used on sections of gas turbines to allow for longer and more reliable operation of sections exposed to aggressive effects of high temperature oxidation. Depositing ...
Numerical simulation of constraint effect on fracture initiation in welded specimens using a local damage model / Numerička simulacija uticaja veze na inicijaciju loma kod zavarenih epruveta upotrebom modela lokalnog oštećenja
(Society for Structural Integrity and Life, Institute for Material Testing, 2011)
In this paper, two micromechanical models: the Gurson-Tvergaard-Needleman (GTN) model and Complete Gurson Model (CGM) are used to predict ductile fracture initiation of two different welded specimens, SE(B) and C(T). The ...
Characterization of plasma spray bioinert coating Al2O328wt.%MgO / Karakterizacija plazma sprej bioinertne prevlake Al2O328tež.%MgO
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
This paper presents the results of testing mechanical and structural characteristics of plasma spray coating Al2O328wt.%MgO. Metal oxide MgO in a complex oxide Al2O328wt.%MgO modifies the properties of Al2O3 ceramics by ...
Investigations of the possibilities of stillage utilization from the bioethanol production on corn / Ispitivanje mogućnosti korišćenja džibre iz proizvodnje bioetanola iz kukuruza
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2010)
Bioethanol produced by fermentation of biomass, such as sugar, starch, or lignocellulosic materials, is one of the most important renewable energy resources. An average thin stillage amount produced in the bioethanol process ...