Pretraživanje
Prikaz rezultata 31-40 od 73
Innovative solutions for the extraction of technology metals from complex primary and secondary raw materials / Inovativna rešenja u ekstraktivnoj metalurgiji kompleksnih primarnih i sekundarnih sirovina
(Savez inženjera i tehničara Srbije, Beograd, 2016)
Presented compilation of scientific, theoretical and experimental results, promotes an innovative synergy of various metals and industrial activities in metallurgy, resulting in profitable transformation of byproducts and ...
Statistical modeling and optimization of ultrasound-assisted biodiesel production using various experimental designs / Statističko modelovanje i optimizacija proizvodnje biodizela u prisustvu ultrazvuka primenom različitih eksperimentalnih planova
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
The present study compares the performances of the regression models developed by the response surface methodology combined with the full factorial, Box-Behnken or face central composite designs applied for the ultrasound-assisted ...
Production of technology metals from waste electronics
(Institut za istrazivanja i projektovanja u privredi, 2019)
The rising criticality of technologically inevitably metals and the continuous growth of the waste electronics promote a scientific need for development of innovative recycling process, both efficient and selective. ...
Mehanička svojstva hibridnog kompozita UHMWPE/EVA ojačanog vlaknima dobijenim elektropredenjem / Mechanical properties of UHMWPE/EVA hybrid composite reinforced with fibers obtained by electrospinning
(Savez inženjera i tehničara Srbije, 2018)
Aluminijum oksidna (Al2O3) nanovlakna pripremljena su iz vodenog rastvora aluminijum hlorohidrata/poli(vinil alkohola) (PVA) korišćenjem tehnike elektropredenja. Maseni odnos aluminijum hlorohidrata/PVA bio je 5:1. Nakon ...
Picosecond laser shock peening of base Nimonic 263 material and laser welded Nimonic 263 alloy / Mehanička obrada pikosekundnim laserom osnovnog materijala i zavarenih spojeva legure Nimonik 263
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2015)
Laser welding is a welding process with a high energy density and numerous advantages over conventional welding methods (narrow heat affected zone, lower heat input, less distortion, and the like.) Mechanical treatment ...
In vitro micropropagation of fruits: Economic efficiency of application / Razmnožavanje voćaka mikropropagacijom in vitro - ekonomska efikasnost primene
(Naučno voćarsko društvo Srbije, Čačak, 2015)
Aspects of rationalization and the introduction of so-called ‘low cost’ technology of micropropagation and wider applicability for commercial purposes in the field of pomology, were investigated in this paper. The application ...
Sorption of textile dyes from textile wastewater by chitosan-based hydrogel / Sorpcija boja za tekstil iz tekstilnih otpadnih voda pomoću hidrogela na bazi hitozana
(Savez inženjera i tehničara Srbije, Beograd, 2018)
With the excessive risks that are present in today's environment, it is of great importance to treat wastewaters before their discharge in water streams. One of the everyday challenges is design of a low-cost and environmentally ...
Microvickers hardness determination of unsaturated polyester resins reinforced with alumina based reinforcement / Ispitivanje mikrotvrdoće nezasićenih poliestarskih smola sa ojačanjima na bazi aluminijum oksida
(Savez inženjera i tehničara Srbije, Beograd, 2018)
Commercial alumina wiskers (Al2O3 w) and synthesized alumina particles via sol-gel technique (Al2O3 m) were used as reinforcement in unsaturated polyester resins (UPR). Composite materials with the addition of 0.1 wt. %, ...
Effect of AL2O3 particles on the toughness of hybrid composite with EVA matrix and UHMWPE fibersas reinforcement / Uticaj AL2O3 čestica na žilavost hibridnog kompozita sa EVA matricom ojačanog UHMWPE vlaknima
(Savez inženjera i tehničara Srbije, Beograd, 2018)
The aim of this paper is to investigate the mechanical properties of hybrid composites with the polymer matrix of the copolymer of ethylene and vinyl acetate (EVA), ultra high molecular weight polyethylene fibers (UHMWPE) ...
Laser treatments of Nimonic 263 nickel-based superalloy / Laserske obrade superlegure Nimonik 263
(Engineering Society for Corrosion, Belgrade, Serbia, 2019)
In this paper, the influence of parameters of laser processing (drilling, cutting, welding and laser shock peening) on microstructure of superalloy Nimonic 263 are investigated. Drilling and welding process are carried out ...