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Synthesis and characterization of monetite and hydroxyapatite whiskers obtained by a hydrothermal method
(Elsevier Sci Ltd, Oxford, 2011)
High temperature hydrothermal syntheses, using calcium nitrate tetrahydrate, sodium dihydrogen phosphate and urea as precursors, and characterization of hydroxyapatite (HAp) whiskers are reported herein. The morphology and ...
Synthesis and characterization of copolymer hydrogels of chitosan, itaconic acid and N-isopropylacrylamide / Sinteza i karakterizacija kopolimernih hidrogelova hitozana, itakonske kiseline i N-izopropilakrilamida
(Association of Chemical Engineers of Serbia, 2011)
This paper deals with the synthesis of copolymer hydrogels of N-isopropylacrylamide, itaconic acid and chitosan. During synthesis, pH of the reaction solution and temperature were varied. It was found that the reaction at ...
Utilization of microwave and ultrasound pretreatments in the production of bioethanol from corn
(Springer, New York, 2011)
Bioethanol production by simultaneous saccharification and fermentation (SSF) of corn meal by Saccharomyces cerevisiae var. ellipsoideus yeast in a batch system with prior ultrasound or microwave treatment was studied. The ...
State of the art in immobilized/encapsulated cell technology in fermentation processes
(Springer, 2011)
Immobilized yeast cells are being used in various bio-industries but also could be beneficially implemented in industries based on ethanol fermentation. For reasons including faster fermentation rates in comparison to ...
Ethylenediamine-modified multiwall carbon nanotubes as a Pt catalyst support
(Elsevier Science Sa, Lausanne, 2011)
Multi-walled carbon nanotubes (MWCNTs) were used as a support for Pt nanoparticles prepared by the microwave-assisted polyol method. The MWCNTs were pretreated by chemical oxidation (o-MWCNTs) followed by modification by ...
Numerical simulation of the plunge stage in friction stir welding / Numerička simulacija faze uranjanja kod zavarivanja trenjem mešanjem
(Society for Structural Integrity and Life, Institute for Material Testing, 2011)
This paper investigates the plunge stage using numerical modeling. A three-dimensional finite element model (FEM) of the plunge stage is developed using the commercial code ABAQUS to study the thermo-mechanical processes ...
Electrochemical synthesis and corrosion behavior of thin polyaniline film on mild steel, copper and aluminum
(Belgrade : Association of the Chemical Engineers of Serbia, 2011)
The electrochemical synthesis of polyaniline (PANI) on mild steel, aluminum and copper from the sodium benzoate solutions has been investigated. It has been shown that thin, highly adherent, polyaniline films on the ...
The possibilities of utilization of stillage from the production of bioethanol on starch feedstocks
(SaySoft Inc., Italy, 2011)
In Serbia, the industrial production of bioethanol still relies on conventional energy crops (corn, wheat triticale and molasses). The production process generates large amounts of waste liquid stillage (app. 13 hL per hL ...
Production of lactic acid on liquid distillery stillage / Proizvodnja mlečne kiseline na tečnoj destilerijskoj džibri
(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2011)
Bioethanol produced by fermentation of biomass is one of the most important renewable and ecologically friendly energy resources today. After bioethanol distillation a considerable amount of liquid stillage remains (1 hl ...
Thermal comfort behavior of hemp based knitted fabrics / Ponašanje pletenina na bazi konoplje u pogledu toplotnog komfora
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2011)
The hemp fibres production is characterized by sharp ups and downs, from the extensively growing to their decline in the past decades. Thanks to the unique hemp fibre properties, such as physiological, hygienic and ecological ...