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Приказ резултата 291-300 од 308
Copper Separation from Aqueous Effluents by Liquid Membrane Pertraction
(International Ecological Congress, Voronezh, Russia, September 22-28, 1996)
In this paper the feasibility of applying liquid membrane pertraction to the copper
recovery from aqueous effluents has been examined. A continuos laboratory-scale
hollow fiber-in-fiber type membrane pertractor was ...
Recovery of Indium in a Hollow Fiber Membrane Pertractor
(International Ecological Congress, Voronezh, Russia, September 22-28, 1996)
In the present work, the recovery of indium from sulfate media using a continuos-type membrane
pertractor with hollow fiber geometry was investigated as a study of the feasibility of the industrial
application of this ...
Comparative study of arsenic removal from drinking water (precipitation, sorption and membrane extraction treatments)
(Nauka Publishing House, St. Petersburg, 1994)
Oxygen reduction on iron-V. Processes in boric acid-borate buffer solutions in the 7.4-9.8 pH range
(Pergamon-Elsevier Science Ltd, Oxford, 1991)
O2 and H2O2 reduction was studied on Puratronic iron (99.995%) in borate buffer solutions of various pH ranging from 7.4 to 9.8. In solutions of pH < 9.3 the E-j curves are of quite irregular shapes and the limiting ...
Dobijanje biološki-aktivnog vlakna sa anestezijskim efektom / Herstellung von biologischaktiven Faser mit anästhetischen Wirkung
(Loznica : Viskoza, 1993)
Biološki aktivna vlakna se uglavnom koriste u medicinske svrhe. Osnovna funkcija im je da doprinesu što povoljnijim rezultatima kod raznovrsnih lekarskih intervencija, kao i u sprovođenju preventivnih mera.
U ovom radu ...
Cathodic processes on corroding low-carbon steel: the effect of the degree of deformation
(Pergamon-Elsevier Science Ltd, Oxford, 1992)
The influence of the degree of deformation of low-carbon steel (0.48% Mn, 0.47% Si, 0.085% C) caused by mono-axial stretching was investigated with respect to the kinetics of electrochemical hydrogen evolution and the ...
Application of modern technology in the production of paper for saving energy
(Editura Acad Romane, Bucuresti, 1998)
All researches conducted with the objective of energy savings in paper industry point out that today in Yugoslavia and South East Europe this industrial branch consumes 30-40% more specific energy than Western Europe. The ...
Dobijanje biološki-aktivnog kompleksa jonoizmenjivačko vlakno-insulin / Obtaining of biologically-activated complex ion-exchanged fiber-insulin
(Loznica : Viskoza, 1993)
Jonoizmenjivačka vlakna, posebno na bazi poliakrilonitrila (PAN) i polivinilalkohola (PVA), zbog istovremenog prisustva različitih funkcionalnih grupa imaju sposobnost selektivne hemisorpcije krupnih organskih jona. Stoga ...
Oxygen reduction on iron-IV. The reduction of hydrogen peroxide as the intermediate in oxygen reduction reaction in alkaline solutions
(Pergamon-Elsevier Science Ltd, Oxford, 1991)
The kinetics of hydrogen peroxide reduction were studied on iron in borate buffered and unbuffered solutions of pH ranging from 8.6 to 13.8, with and without the presence of chloride ions. A rotating disk electrode was ...
Reološka i druga svojstva N-metilmorfolin-N-oksidnog rastvora celuloze za vlakna / Rheological and other properties of cellulose solution in N-methylmorpholine-N-oxide
(Loznica : Viskoza, 1992)
Između različitih rastvarača za direktno rastvaranje celuloze i primene ovih rastvora za proizvodnju hemijskih celuloznih vIakana najperspektivniji je N-metilmorfolin-N-oksid (NMMO). Teižište ovog rada je na istraživanju ...