Pretraživanje
Prikaz rezultata 31-40 od 347
Influence of material surface roughness on backscattering in laser scanning
(Faculty of Architecture, Civil Engineering and Geodesy, University of Banja Luka, 2022)
In this paper, the possibility of applying Kirchhoff 's scalar approximation model for determining the backscattering coefficient from rough surfaces is investigated. Surfaces of dielectric and metallic materials, which ...
Renewable energy sources in wireless sensor networks / OBNOVLJIVI IZVORI ENERGIJE U BEŽIČNIM SENZORSKIM MREŽAMA
(SMEITS - Savez Mašinskih i Elektrotehničkih Inženjera i Tehničara Srbije, 2022)
The advances in the technology of cheap and low power consumption microelectronic components have lead to the expansion of wireless technologies in the past two decades. One of the most important shortcomings of all wireless ...
BIOBASED COMPOSITE MATERIALS OBTAINED FROM UNSATURATED POLYESTER RESINS AND WASTE COFFEE
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) Društvo za procesnu tehniku, Beograd, Srbija, 2022)
Replacing styrene with biobased monomers to produce fully biobased unsaturated polyester
resins (UPRs) turned out to be quite a challenging task. Styrene has been recognized as a hazardous
and a potentially carcinogenic ...
Thermal extraction of pectin from waste apple pomace using choline chloride based eutectic solvents
(Serbian Chemical Society and Serbian Young Chemists’ Club, Belgrade, Serbia, 2022)
Processing of waste by-products of agricultural origin generated by different kinds of
industries can entail environmental problems. Waste apple pomace (biomass) could play
an important role in pectin production, offering ...
Luminescentni efekti materijala i primena / Luminescent effects of materials and applications
(Београд : Друштво за ЕТРАНБеоград : Академска мисао, 2023)
Luminescentne pojave se neizbežno javljaju u mnogim oblastima, od svakodnevnog života do sofisticiranih aplikacija u nauci i tehnici. Odavno su predmet istraživanja, gde se modeluju procesi i realizuju praktični sistemi. ...
Extraction of polyphenols from orange peel and their controlled release from pH-sensitive hydrogels
(Serbian Chemical Society and Serbian Young Chemists’ Club, Belgrade, Serbia, 2022)
Several million tons of orange peel are generated annually as a result of the industrial
processing of this fruit. Orange peels are rich in polyphenols, that show antioxidant
activity. Hence, converting orange peels into ...
Stabilnost frekvencije kvarcnih oscilatora
(Društvo za ETRAN, 2022)
Oscilatorna kola su neizbežni deo praktično svih elektronskih uređaja. Najčešće se koriste kola na bazi kvarcnih kristala. Prikazan je proces proizvodnje i princip rada kvarcnih oscilatora, kao i podele kristala i oscilatornih ...
Presentation of software for applying simplex methods / Prezentacija softvera za primenu simpleks metoda
(Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije SMEITS, Društvo za obnovljive izvore električne energije, 2022)
This paper presents original software, developed for the needs of mathematical modeling of complex processes using the simplex method. The software was developed in the Delphi programming language for the Windows environment. ...
A novel disinfectant based on zinc orthotitanate
(European Powder Diffraction Conference (17 ; 2022 ; Šibenik), 2022)
Regarding enormous expansion of bacterial contamination as well as their increase resistivity to commonly used disinfectants, there is a great demand for antibacterial material, which will not be based on organic compounds. ...
The influence of long-term aging on the properties of TEMPO oxidized cotton / Uticaj dugotrajnog starenja na svojstvo TEMPO oksidisanog pamuka
(Belgrade : Union of Engineers and Textile Technicians of Serbia, 2023)
Cotton yarns were 2,2,6,6-tetramethy|piperidine-1-oxy radical (TEMPO) oxidized, i.e., oxidation was carried out in the presence of sodium hypochlorite, sodium bromide and TEMPO, during different time intervals (30, 60 and ...