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Grafičko određivanje eksponenta politrope u karakterističnim dijagramima / Graphical determination of polytropic index in characteristic diagrams
(Academy of Sciences and Arts of the Republic of Srpska, 2014)
U ovom radu, koristeći postojeća znanja iz termodinamike, prikazana su tri načina grafičkog određivanja eksponenta politrope, kao i klasični analitički način.U radu smo koristili karakteristične dijagrame p-v i T-s i u ...
Određivanje brzine korozije austenitnih čelika Č4571 i Č4580 u rastvorima kalcijum hipohlorita / Determination of corrosion rate austentic steels S4571 and S4580 in a solution of calcium-hypochlorite
(Academy of Sciences and Arts of the Republic of Srpska, 2014)
U ovom radu dati su rezultati ispiotivanja korozione otpornosti čelika Č4571 i Č4580 u rastvorima kalcijum-hipohlorita. Korištene su elektrohemijske metode: numerička metoda linearne polarizacije i metoda polarizacionog ...
New taxa of the genus Navicula (Bacillariophyceae) in the diatom flora of Serbia
(Springer, 2014)
The main objective of this paper is to report two benthic, epilithic diatom species from the Raška River. Samples were collected in April, June, August and November 2011 and March and May 2012 from 5 localities along the ...
New taxon of the genus Navicula (Bacillariophyceae) for the diatom flora of Serbia
(Valjevo (Serbia) : Bojan Petrovic, 2014)
The main objective of this paper is to report benthic, epilithic diatom species from the Raška River. First time Husted described Navicula jakovljevicii in 1945. This taxon has been found outside the Balkan area for the ...
Optimizacija karakteristične temperature kod kondenzatora s obzirom na tehnoekonomske aspekat / Optimization of characteristic temperature of the condenser considering techno-economic aspect
(VII Međunarodni naučni skup „Savremeni materijali“, Banja Luka, 2014)
U radu je za kondenzatore kao karakteristične grupe rekuperatora toplote, polazeći od funkcije ukupnih troškova kao funkcije cilja, određena optimalna vrednost izlazne temperature rashladnog fluida. Pri ovome izvršena je ...
Novi model za određivanje promene entropije poluidealnog gasa primenom razlomljene temperaturne funkcije / New model for determining of change entropy of semi-ideal gas by using fractional temperature function
(Academy of Sciences and Arts of the Republic of Srpska, 2014)
Kod poluidealnog gasa, promena entropije ne može se odrediti preko srednjeg specifičnog toplotnog kapaciteta na način kao što se određuje promena unutrašnje energije i entalpije, odnosno razmenjena količina toplote. Uzimajući ...
Preparation And Characterization Of Polymer Supported Goethite Sorbent For Arsenate Removal
(SaTCIP (Scientific and Technical Center for Intellectual Property) Ltd, 2014)
The aim of this work is to present a novel functionalized high surface area, macro porous material for selective removal of arsenic from water solution. A simple and room temperature reaction with controlled precipitation ...
Laser Cleaning of Textile Artifacts with Metal Threads: Process Parameter Optimization / Lasersko čišćenje tekstilnih eksponata sa korodiranim metalnim nitima - optimzacije parametara procesa
(Belgrade, Serbia: Military Technical Institute, Belgrade, 2014)
This paper presents the results of the laser cleaning effects on textile samples with corroded metallic threads. In many museum collections, there are textile exhibits like uniforms, national costumes, flags and home ...
Analysis of ceramics surface modification induced by pulsed laser treatment
(Novi Sad Serbia: University Novi Sad, Faculty of Technology, 2014)
This paper presents the effects of laser light irradiation on the surface of ceramics dating from archaeological site Stubline (Obrenovac, Belgrade), Serbia. Two different pulsed lasers: TEA CO2 (10.6 μm wavelength, pulse ...
Studies of pulsed tea CO2 and Nd:YAG lasers application in the ceramics surface conservation
(Scientific professional society for environmental protection of Serbia-ECOLOGICA, 2014)
Air pollution results in the deposition of variety of organic and inorganic compounds on the surface of historic monuments. Traditional methods of ceramics cleaning include abrasive treatments, chemical treatments, ultrasound ...