Претраживање
Приказ резултата 31-40 од 712
The electrochemical behavior of zn-mn alloy coating in carbonated concrete solution
(World Scientific Publ Co Pte Ltd, Singapore, 2016)
In order to improve the protective performance of Zn coating on reinforcing steel in concrete, the electrochemical deposition of Zn-Mn coatings was conducted on steel surface. The morphology, chemical and phase compositions ...
Rhamnolipid and lipase production by Pseudomonas aeruginosa san-ai: The process comparison analysis by statistical approach / Proizvodnja ramnolipida i lipaze iz Pseudomonas aeruginosa san-ai - optimizacija procesa primenom metode odzivnih površina
(Association of Chemical Engineers of Serbia, 2013)
Pseudomonas aeruginosa has been repeatedly reported as a powerful producer of rhamnolipid biosurfactants as well as hydrolytic enzymes. In this study, the effects of four fermentation factors were evaluated using response ...
FTIR spectroscopic study of hydrogen bonding and solvent induced frequency shifts of N-tert-butylacetamide
(Elsevier Science Bv, Amsterdam, 2013)
This paper reports the results of FTIR study of N-tert-butylacetamide in carbon tetrachloride solution and in presence of seven different molecules as H acceptors. The spectroscopic characteristics for N-H center dot center ...
The antioxidant properties of dried extracts from spent espresso coffee / Antioksidativna svojstva sušenih ekstrakata iz otpadne espreso kafe
(Association of Chemical Engineers of Serbia, 2013)
The importance of coffee waste utilization is based on the fact that it contains a large amount of biologically valuable components. Preparation of espresso coffee produces substantial quantities of polyphenolic acids that ...
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 ...
Establishing Dependences between Different Lipophilic Parameters of New Potentially Biologically Active N-Substituted-2-Phenylacetamide Derivatives by Applying Multivariate Methods
(Oxford Univ Press Inc, Cary, 2015)
Lipophilicity, a very important parameter in the potential biological activities of molecules, was investigated for newly synthesized N-substituted-2-phenylacetamide derivatives. The determination was carried out in two ...
Applicability of zeolites in potassium and nitrate retention in different soil types
(Srpsko hemijsko društvo, Beograd, 2017)
Environmental protection and sustainable agricultural production require the use of inexpensive and environmentally acceptable soil supplements. Objectives of this study were to investigate the influence of the addition ...
Nonlinear Frequency Response Analysis as a Tool for Identification of Adsorption Kinetics: Case Study-Pore-Surface Diffusion Control
(Hindawi Ltd, London, 2019)
In the present paper, the Nonlinear Frequency Response (NFR) analysis is applied for theoretical study of kinetics of adsorption governed by pore-surface diffusion. The concept of higher-order frequency response functions ...
Enhanced fertilization effect of a compost obtained from mixed herbs waste inoculated with novel strains of mesophilic bacteria
(Savez hemijskih inženjera, Beograd, 2017)
Mixed medicinal plant waste was composted with addition of novel bacterial strains belonging to the genera Streptomyces, Paenybacillus, Bacillus and Hymenobacter. The composting was followed by assessment of chemical and ...
Influence of Temperature and Different Hydroxides on Properties of Activated Carbon Prepared From Saccharose. Characterization, Thermal Degradation Kinetic and Dyes Removal From Water Solutions
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2018)
In presented paper, influence of temperature, precursor concentration and different hydroxides on properties of activated carbon obtained from saccharose were investigated. The samples were prepared by hydrothermal treatment ...