Pretraživanje
Prikaz rezultata 31-40 od 46
Dobijanje pamučne pređe poboljšanih sorpcionih svojstava / Obtaining of cotton yarn with improved sorption properties
(Beograd : Srpsko hemijsko društvo, 2014)
U ovom radu proučavan je uticaj TEMPO- oksidacije na hemijski sastav, strukturu i svojstva
pamučne pređe. Nemodifikovana i modifikovana pamučna pređa okarakterisana je sa aspekta
gubitka mase, sadržaja vlage, sadržaja ...
Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets
(Association of Metallurgical Engineers of Serbia AMES, 2014)
In this study, fully annealed AA5083 type alloy sheets with 1 mm in thickness
were processed by accumulative roll bonding (ARB) at room temperature, up to 6 ARB
cycles. It was found that microstructure was refined and ...
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 ...
The advantages of using activated flux-cored wire compared to solid wire in the mag welding process from the aspect of metallurgical characteristics
(Croatian Metallurgical Soc, Zagreb, 2014)
This paper analyzes, from the metallurgical aspect, the quality of the new flux-cored wire intended for the MAG welding process in function of changes in shielding gas composition and changes in welding parameters. The ...
Comparison of Mechanical Behavior of SiC Sintered Specimen to Analysis of Surface Defects
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2014)
Silicon carbide is the material that in sintered form is suiTab. for protection from impact as part of the multilayered structure. Its role is to accumulate energy from the projectile, to plastically deform the projectile ...
Sinteza i karakterizacija kopolimernih hidrogelova na bazi metakrilne kiseline i 2-akrilamido-2-metilpropansulfonske kiseline / Synthesis and characterization of copolymer hydrogels based on methacrylic acid and 2-acrylamido-2-methylpropane sulfonic acid
(Beograd : Srpsko hemijsko društvo, 2014)
Hidrogelovi predstavljaju trodimenzionalno umrežene polimere koji imaju sposobnost da apsorbuju
veliku zapreminu vode ili fizioloških tečnosti. Zahvaljujući prisustvu hidrofilnih grupa kao što su –OH,
–CONH, –CONH2, –COOH ...
Experimental laboratory for development of fillers and auxiliary materials for welding and soldering (2) / Eksperimentalna laboratorija za razvoj dodatnih i pomoćnih materijala za zavarivanje i lemljenje (2)
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2014)
Influence of friction stir welding parameters on properties of 2024 t3 aluminium alloy joints
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
The aim of this work is to analyse the process of friction stir welding (FSW) of 3 mm thick aluminium plates made of high strength aluminium alloy - 2024 T3, as well as to assess the mechanical properties of the produced ...
Sinteza, struktura i svojstva novih 3-(supstituisanih benzil)-5,5'-cikloalkan spirohidantoina / Synthesis, structure and properties of novel 3-(substituted benzyl)-5,5'-cycloalkanespirohydantoins
(Beograd : Srpsko hemijsko društvo = Serbian Chemical Society, 2014)
U radu je sintetizovano dvadeset novih 3-(supstituisanih benzil)-5,5'-cikloalkan-spirohidantoina
čija je struktura određena temperaturama toplenja, FT-IR, 1H i 13C NMR i UV spektroskopijom.
Solvatohromizam ovih jedinjenja ...
Ag+-DOPED HYDROXYAPATITE: CELL PARAMETERS, MORPHOLOGY, THERMAL AND SPECTRAL PROPERTIES / HIDROKSIAPATIT DOPIRAN Ag+ -JONIMA: PARAMETRI JEDINIČNE ĆELIJE, MORFOLOGIJA, TERMALNA I SPEKTRALNA SVOJSTVA
(Beograd : Srpsko kristalografsko društvo, 2014)
Synthetic hydroxyapatite (HAp) [Ca10(PO4)6(OH)2] is very similar to the inorganic part
of bones and the dentine of teeth. Consequently, it has well known biocompatibility and
bioactivity, and it is nontoxic in any quantity ...