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Prikaz rezultata 21-30 od 843
A study of the antibacterial efficiency and coloration of dyed polyamide and polyester fabrics modified with colloidal Ag nanoparticles / Proučavanje antibakterijske efikasnosti i promene obojenja poliamidnih i poliestarskih tkanina modifikovanih koloidnim nanočesticama srebra
(Serbian Chemical Society, Belgrade, 2009)
In this study, the influence of dyeing on the antibacterial efficiency of polyamide and polyester fabrics loaded with colloidal Ag nanoparticles and the influence of the presence of Ag nanoparticles on the color change of ...
Lipase catalyzed synthesis of flavor esters in non-aqueous media: Optimization of the yield of pentyl 2-methylpropanoate by statistical analysis / Sinteza mirisnih estara katalizovana lipazama u nevodenoj sredini - optimizacija prinosa pentil-2-metilpropanoata statističkom analizom
(Serbian Chemical Society, Belgrade, 2008)
In this study, the synthesis of pentyl 2-methylpropanoate employing a commercial lipase from Candida rugosa was investigated, the emphasis being placed on analyzing the effects of various process conditions on the yield ...
A study of the electrochemical activity of some macrolide antibiotics on a gold electrode in a neutral electrolyte / Proučavanje elektrohemijske aktivnosti nekih makrolidnih antibiotika na elektrodi od zlata u neutralnom elektrolitu
(Serbian Chemical Society, Belgrade, 2007)
The aim of the present study is to present the different reactivity of azithromycin and clarithromycin (pure and commercial) at a gold electrode in neutral electrolyte using cyclic linear sweep voltammetry under the same ...
Studies on the specificity of Candida rugosa lipase catalyzed esterification reactions in organic media / Ispitivanje specifičnosti lipaze iz Candida rugosa u reakciji esterifikacije u organskom rastvaraču
(Serbian Chemical Society, Belgrade, 2006)
In this study, the feasibility of the synthesis of various flavor esters catalyzed by a commercial lipase from Candida rugosa was investigated and the process parameters were optimized. Lipase from C. rugosa successfully ...
(NH4)2SO4 corrosion of cement in concrete analyzed by an improved mathematical model / (NH4)2SO4 korozija cementa u betonu analizirana poboljšanim matematičkim modelom
(Serbian Chemical Society, Belgrade, 2009)
This paper gives a critical analysis of the equation that predicts and estimates the progress of degradation for various building materials, recently proposed by Matsufuji et al.1 After the analysis, the paper suggests an ...
Adsorption of itaconic acid from aqueous solutions onto alumina / Adsorpcija itakonske kiseline iz vodenih rastvora na aluminijum-oksidu
(Serbian Chemical Society, Belgrade, 2008)
Itaconic acid, IA (C5H6O4), was investigated as a potential flocculant for the aqueous processing of alumina powders. The adsorption of IA, as a function of its concentration and pH value of the solution, onto the alumina ...
Erosive wear resistance of silicon carbide-cordierite ceramics: influence of the cordierite content
(Inst Za Kovinske Materiale I In Tehnologie, Ljubjana, 2015)
A cordierite/SiC composite was created in situ with reactive sintering at 1250 degrees C and 1300 degrees C. The cordierite precursor was made from commercially available spinel, alumina and quartz and was mixed with the ...
Influence of heat treatment on mechanical and sorptional properties of viscose-based nonwovens
(Niscair, 2005)
The influence of heat treatment on sorptional and mechanical properties of viscose: polypropylene (90:10) blend nonwoven fleeces has been studied. It is observed that the heat treatment improves mechanical properties ...
Synthesis and investigation of solvent effects on the ultraviolet absorption spectra of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones / Sinteza i ispitivanje efekta rastvarača na UV spektre 5-supstituisanih 4-metil-3-cijano-6-hidroksi-2-piridona
(Serbian Chemical Society, Belgrade, 2001)
A number of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones from cyanoacetamide and the corresponding alkyl ethyl acetoacetates were synthesized according to modified literature procedures. The alkyl ethyl acetoacetates ...
Application of permanent magnetic powder for magnetic field sensing elements
(MYU, 2006)
A multimode optical fiber with a composite polymer-magnetic coating was investigated as an optical fiber magnetic sensing element (OFMSE) for detecting external magnetic fields. The coating was formed by dispersing the ...