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Приказ резултата 21-30 од 3239
TPD-MS study of glassy carbon surfaces oxidized by CO2 and O2 / Maseno spektrometrijsko ispitivanje stabilnosti površine staklastog karbona oksidovanog ugljen-dioksidom ili kiseonikom
(Serbian Chemical Society, Belgrade, 2002)
The temperature-programmed desorption (TPD) method combined with mass spectrometric (MS) analysis has been applied to investigate the surface properties of carbon materials. The apparatus consisting of a temperature-programmed ...
Mass transfer between a fluid and an immersed object in liquid-solid packed and fluidized beds / Prenos mase fluid-uronjeni objekat u pakovanim i fluidizovanim slojevima tečnost-čestice
(Serbian Chemical Society, Belgrade, 2005)
The mass transfer coefficient between fluid and an immersed sphere in liquid packed and fluidized beds of inert spherical particles have been studied experimentally using a column 40 mm in diameter. The mass transfer data ...
Drying of biological materials in a spout-fluid bed with a draft tube / Sušenje bioloških materijala u fontansko-fluidizovanom sloju
(Association of Chemical Engineers of Serbia, 2002)
The possibility of applying a spout-fluid bed with a draft tube and conical bottom was investigated for drying fluid media with a certain content of suspended material was investigated. The major goal who to study the ...
The effect of drying in spout fluid bed drier on lactic acid bacteria activity / Uticaj sušenja u fontansko-fluidizovanom sloju na aktivnost bakterija mlečne kiseline
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad i Savez hemičara i tehnologa, Beograd, 2001)
The aim of this work was to obtain the stable - powdered polycomponent preparation based on fermented soybean extract that is supplemented with beetroot juice and yeast autolysate with preserved biological activity. Such ...
Fermentative activity of lactic acid bacteria in substrates based on soybean milk / Fermentativna aktivnost bakterija mlečne kiseline u supstratima na bazi sojinog mleka
(Savez poljoprivrednih inženjera i tehničara, Beograd, 2000)
The fermentative activity of a mixed starter culture of Lb. acidophilus TMF6 and Bifidobacterium sp. TMF17a in soybean milk and supplemented soybean milk was examined. The supplementation of soybean milk was made with cows ...
A comparative study of two wool enzyme treatments
(Niscair, 2002)
The influence of enzyme concentration and treatment time on certain wool properties has been studied according to the Box-Hunter experimental design in order to better understand the wool modification caused by two different ...
Amtimicrobial activity of essential oil of Melissa officinalis L., Lamiaceae / Antimikrobna aktivnost etarskog ulja Melissa officinalis L., Lamiaceae
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
The antimicrobial activity of the essential oil of Melissa officinal is 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 ...
A study of substituent effects on the NH bond in alkyl and aryl 4,6-disubstituted-3-cyano-2-pyridones / Korelaciona analiza IR i 1H-NMR spektralnih podataka za NH vezu u alkil i aril 4,6-disupstituisanim 3-cijano-2-piridonima
(Serbian Chemical Society, Belgrade, 2007)
Substituent effects on the IR stretching frequencies and 1H-NMR chemical shifts of the pyridone NH group in 4- and 6-disubstituted alkyl and aryl 3-cyano- 2-pyridones were investigated. The bands most sensitive to substituent ...
Gas chromatographic retention indices for N-substituted amino s-triazines on capillary columns. Part V. Temperature dependence of the retention index / Gasnohromatografski retencioni indeksi n-supstituisanih Amino derivata s-triazina na kapilarnim kolonama. Deo V. Uticaj temperature na retencioni indeks
(Serbian Chemical Society, Belgrade, 2003)
The temperature dependence of the retention index was studied for N-substituted amino s-triazines on DB-1, DB-5 and DB-WAX capillary columns within the temperature range 190–230 ºC. Two linear equations with the column ...
Initiation of MMA polymerization by iniferters based on dithiocarbamates / Iniciranje polimerizacije metilmetakrilata iniferterima na bazi ditiokarbamata
(Association of Chemical Engineers of Serbia, 2005)
Twelve modified dithiocarbamates and a thiuramdisulfide used for the initiation of methyl methacrylate (MMA) polymerization were synthesized in this study. The polymerization of MMA was followed by determine the yield and ...