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Приказ резултата 31-40 од 355
Effects of operating parameters on efficiency of lead removal by complexation-microfiltration process / Uticaj radnih parametara na efikasnost uklanjanja jona olova pomoću kompleksirajuće-mikrofiltracionog procesa
(Association of Chemical Engineers of Serbia, 2012)
The majority of lead content found in the environment is a result of human activities. Heavy metals can be hazardous because they tend to bioaccumulate. A complexation-microfiltration process for the removal of Pb(II) ions ...
Modelling of the substance transfer in the gas-liquid system with chemical reaction
(Petroleum and Coal, 2012)
In this paper substance transfer phenomena in the multistage reactive system were investigated.Substance transfer between liquid and gas phases in a distillation packed column with reactionesterification was examined. ...
Recycling silver and copper from rub out copper wire plated with silver / Reciklaža srebra i bakra iz istrošene posrebrene bakarne žice
(Institut za bakar, Bor, 2012)
Recycling of secondary raw materials recently become more interesting , mainly due to reduced quantities of waste and price of waste water treatment. Aim of this work was recycling and production of copper ana silver from ...
Material and heat transfer rate in the gas-lquid system
(WSEAS Transactions on Heat and Mass Transfer, 2012)
In this paper substance transfer rate in the multistage system was investigated. Substance transfer between liquid and gas phases in a distillation packed column with packing was examined. Substance and heat transfer rate ...
Erythrocytes as a novel drug delivery systems: Current status, challenges and perspectives of medical applications / Eritrociti kao savremeni nosači lekovitih supstanci - trenutni status, izazovi i izgledi za primenu u medicini
(MOST ART d.o.o., Beograd, 2012)
The erythrocytes are the most abundant cellular components ( gt 99%) of blood in humans. Besides their well known physiological functions, they serve as a natural blood compartment participating in biodistribution, metabolism ...
Surface Analysis and Electrochemical Behavior of Aluminum Pretreated by Vinyltriethoxysilane Films in Mild NaCl Solution
(Electrochemical Soc Inc, Pennington, 2012)
Electrochemical characteristics, composition and surface morphology of vinyltriethoxysilane (VTES) coatings on aluminum were investigated. The silane coatings were deposited chemically, by immersion in 2 and 5% VTES, and ...
Application of polyaniline in corrosion protection of metals / Primena polianilina u zaštiti metala od korozije
(Engineering Society for Corrosion, Belgrade, Serbia, 2012)
Polyaniline is probably the most investigated electroconducting polymer. This popularity is a result of its important features: existence of various oxidation states, electrical and optical activity, low cost monomer, ...
Analysis of sodium hypohlorite according to standard EN 901 / Prikaz analize natrijum hipohlorita prema standardu EN 901
(Engineering Society for Corrosion, Belgrade, Serbia, 2012)
Sodium hypochlorite is obtained by introducing gaseous chlorine into a cold, dilute sodium hydroxide. Sodium hypochlorite solution is a yellow-green clear liquid. In water treatment is used to remove ammonia compounds, ...
Obstacles and chances on the way to the new development and employment model / Prepreke i šanse na putu ka novom modelu privrednog razvoja i zapošljavanja
(Društvo ekonomista Beograda, Beograd, 2012)
Very negative economic trends in the Serbian economy are caused very negative economic effects, such as low rate of GDP, very big inflation, growth of debt, unemployment and reduce of the life standard. In this conditions ...
The inhibitive effect of ethanolamine on corrosion behavior of aluminium in NaCl solution saturated with CO2
(Association of Metallurgical Engineers of Serbia, 2012)
In this study, the inhibitive effect of ethanolamine on corrosion behavior of aluminium was investigated in 3 wt. % NaCl solution, saturated with CO2. All the experiments were carried out at 20°C. Ethanolamine was added ...