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Prikaz rezultata 31-40 od 312
Application of plasma technology for the modification of polymer and textile materials / Mogućnost primene plazma tehnologije u modifikovanju polimernih i tekstilnih materijala
(Association of Chemical Engineers of Serbia, 2004)
Plasma treatment is based on the physico-chemical changes of the material surface and as an ecologically and economically acceptable process it can be an attractive alternative to conventional modifications. The possibilities ...
Microwaves in organic chemistry and organic chemical / Primena mikrotalasne tehnike u organskoj hemiji i organskoj hemijskoj tehnologiji
(Association of Chemical Engineers of Serbia, 2005)
The usual way of applying heat to a chemical reaction is the use of a Bunsen burner, an oil or some other type of bath, or an electric heater. In inorganic chemistry, microwave technology has been used since the late 1970s ...
Immobilized lipases as catalysts for fat hydrolysis
(Association of Chemical Engineers of Serbia, 2004)
Amtimicrobial activity of essential oil of Melissa officinalis L, Lamiaceae / Antimikrobna aktivnost etarskog ulja Melissa officinalis L, Lamiaceae
(Association of Chemical Engineers of Serbia, 2005)
The antimicrobial activity of the essential oil of Melissa officinalis was investigated in this paper. The essential oil was obtained by the principle of water and steam and analyzed by GC and GC-MS using FID and MSD. The ...
Polymers contamination by heavy metal compounds / Kontaminacija polimera teškim metalima
(Association of Chemical Engineers of Serbia, 2002)
The contamination of important synthetic (surface unmodified) polymers by various heavy metal compounds (such as copper, manganese and lead) in aqueous medium was investigated in this study. The influence of the pH of the ...
Metoprolol tartrate release studies of poly(acrylamide-co-itaconic acid) hydrogels
(Association of Chemical Engineers of Serbia, 2004)
Mathematical model for exergy in the system NaCl-H2O / Matematički model za eksergiju u sistemu NaCl-H2O
(Association of Chemical Engineers of Serbia, 2004)
In this work mathematical models for the exergy and relative enthalpy of the water solution of sodium-chloride and the pure crystalline sodium-chloride where derived. The environment was defined with the temperature 20 °C, ...
St. John's Wort Hypericum perforatum L.: Supercritical extraction, antimicrobial and antidepressant activity of extract and some component / Kantarion (Hypericum perforatum L.) - natkritična ekstrakcija, antimikrobna i antidepresivna aktivnost ekstrakta i pojedinih komponenti
(Association of Chemical Engineers of Serbia, 2006)
St. John's Wort, the Hypericum perforatum L. is one of the most analyzed plant species today. Plant was characterized with a wide ecological spectrum and is a plant with beautiful yellow flowers. St. John's Wort was used ...
Bioluminescent whole-cell biosensors
(Association of Chemical Engineers of Serbia, 2004)
The thermal degradation of poly(di-itaconates) / Termička degradacija poli(di-itakonata)
(Association of Chemical Engineers of Serbia, 2000)
The thermal degradation of poly(di-itaconates) is discussed with special emphasis on the Influence of the nature of the ester substituent. It was established that the following reactions occur during the thermal degradation ...