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Prikaz rezultata 1421-1430 od 1452
Influence of plying on singles hemp yarn properties / Uticaj končanja na svojstva pređa od konoplje
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2002)
The return to garments that provide the maximum of natural properties became a new trend contributing significantly to environmental protection. In this situation hemp as a historical and controversial fiber gained the new ...
Comparative estimation of some comfort properties of agrocellulosic and man-made fiber knits / Poređenje nekih faktora konfora pletenina na bazi agroceluloznih i hemijskih vlakana
(Union of Textile Engineers and Technicians of Serbia, Belgrade, 2003)
An account is given of comparative compassioned behavior of agrocellulosic and chemical fibers (РaС) based knitted fabrics. The results obtained underline the importance of twist level in component yarns of knits and the ...
Modelling of ductile fracture initiation in strength mismatched welded joint
(Pergamon-Elsevier Science Ltd, Oxford, 2008)
In this paper, the effect of strength mismatch and width of the welded joints oil the stress-strain distribution in the crack tip region has been discussed. The single-edge notched bend (SENB) specimens (precrack length ...
The application of flux cored wire for welding on the surface of operating parts of agricultural machines / Primena punjenih žica za navarivanje površine radnih delova poljoprivrednih mašina
(Naučno društvo za pogonske mašine, traktore i održavanje, Novi Sad i Univerzitet u Novom Sadu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Novi Sad, 2005)
In this paper the possibilities of application of flux-cored wire of various metallurgical qualities for welding on the surface of operating parts of agricultural machines in EPP process in order to attain wear-resistance ...
Morphologies of electrochemically formed copper powder particles and their dependence on the quantity of evolved hydrogen
(Elsevier Science Sa, Lausanne, 2008)
Copper powder particles formed by electrolysis under different quantities of evolved hydrogen were analyzed using the scanning electron microscopy (SEM) technique. It was found that the structure of the powder particles ...
The origin of high activity of Pt-Au surfaces in the formic acid oxidation
(Pergamon-Elsevier Science Ltd, Oxford, 2009)
We have investigated the oxidation of HCOOH on Au-modified Pt (Au"Pt) and Pt-modified Au (Pt")/Au) electrodes to establish the role of the ensemble and the electronic effect in the catalysis of this reaction. The surfaces ...
The validity of the general similarity law for electrical breakdown of gases
(IOP Publishing Ltd, Bristol, 2006)
This paper investigates the validity of the similarity law in cases of dc and pulse breakdown of gases. Geometrically similar systems insulated with SF6 gas were used during experiments. It is shown that the similarity law ...
Continuous biodisel productions: A review / [Kontinualni postupci dobijanja biodizela]
(Association of the Chemical Engineers of Serbia, 2009)
Continuous biodiesel production on laboratory and industrial scale was analyzed, with focus on their advantages and disadvantages. Attention was paid to specific characteristics of industrial processes in order to point ...
The Influence of Brewer’s Yeast Autolysate and Lactic Acid Bacteria on the Production of a Functional Food Additive Based on Beetroot Juice Fermentation
(University of Zagreb, 2004)
The importance of »functional foods« in the world is increasing, and the procedures for their production are under intense development. The goal of this paper is to optimise the production of a functional food additive ...
Modeling of the substrate and product transfer coefficients for ethanol fermentation
(WILEY-VCH Verlag GmbH & Co., 2008)
The transfer phenomena of the substrate and product for ethanol fermentation with immobilized biocatalyst were investigated. Fermentation was carried out with a biocatalyst consisting of Ca-alginate gel in the form of ...