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Now showing items 1821-1830 of 1904
New records and noteworthy data of plants, algae and fungi in SE Europe and adjacent regions, 3
(Botanica Serbica, 2021)
This paper presents new records and noteworthy data on the following taxa in SE Europe and adjacent regions: parasitic fungus Antherospora hortensis, saprotrophic fungi Loweomyces fractipes and Pholiota henningsii, stonewort ...
Recycling of silver-plated brass for production of high purity copper and ultrafine silver powder for electric contacts
(Bulgarian Chemical Communications, 2014)
The paper presents an improved process for recycling of silver-plate brass housing. Silver and copper are recovered with a purity of 99.99 % and 99.90 %, respectively, with the aim of obtaining materials of higher value ...
Alat od osam pari kalibrisanih valljaka za uzdužno kontinualno profilisanje uske čelične trake i formiranje punjene žice
(Zavod za intelektualnu svojinu, sektor za patente odeljenje za mašinstvo, elektrotehniku i opštu tehniku 990, 2021)
Prikazani pronalazak, alat od osam pari kalibrisanih valjaka za uzdužno kontinualno profilisanje uske čelične trake i formiranje punjene žice, se odnosi na konstrukciono rešenje alata za kalibraciju uske čelične trake i ...
Photocatalytic Degradation of Dye CI Direct Blue 78 Using TiO2 Nanoparticles Immobilized on Recycled Wool-Based Nonwoven Material
(Wiley, Hoboken, 2013)
This paper discusses the possibility of immobilization of TiO2 nanoparticles onto recycled wool-based nonwoven material, which can be utilized for removal of dyes from wastewater. The photocatalytic activity of TiO2 ...
Synthesis, Structure and Properties of Nickel-Iron-Tungsten Alloy Electrodeposits PART I: Effect of Synthesis Parameters on Chemical Composition, Microstructure and Morphology
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2015)
Kinetic and operational electrolysis parameters determine the polarization characteristics, electrodeposition current efficiency, morphology, chemical composition and microstructure of nickel/iron/tungsten alloy deposits. ...
In situ characterization of some sweet and sour cherry autochthonous genotypes in West Serbia region
(Int Soc Horticultural Science, Leuven 1, 2019)
Autochthonous cherry genotypes in the Republic of Serbia can potentially provide a rich and useful genetic variability, especially for ripening time, fruit quality and resistance to diseases. Fruit Research Institute, Čačak ...
Purification technologies for crude biodiesel obtained by alkali-catalyzed transesterification
(Pergamon-Elsevier Science Ltd, Oxford, 2014)
For commercial application, the ester product of alkali-catalyzed transesterification of vegetable oil or animal fats should be refined after glycerol separation by settling to fulfill the biodiesel standard specifications. ...
Ultrasonic assisted arsenate adsorption on solvothermally synthesized calcite modified by goethite, alpha-MnO2 and goethite/alpha-MnO2
(Elsevier, Amsterdam, 2014)
A highly porous calcium carbonate (calcite; sorbent 1) was used as a support for modification with alpha-FeOOH (calcite/goethite; sorbent 2), alpha-MnO2 (calcite/alpha-MnO2; sorbent 3) and alpha-FeOOH/alpha-MnO2 ...
Optimization of the ball mill processing parameters in the fat filling production
(Savez hemijskih inženjera, Beograd, 2017)
The aim of this study was to determine the effect of the main milling variables, i.e., agitator shaft speed (50, 75 and 100%, which is 25, 37.5 and 50 rpm) and milling time (30, 45 and 60 min) on physical and sensory ...
Formation of a large-area monolayer of polystyrene film via the spin-coating method
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2018)
The self-assembly methods, an inexpensive and high throughput technique capable of producing nanostructure arrays, relies on the formation on a monolayer of self-assembled nanospheres. This paper reports on the formation ...