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Приказ резултата 11-20 од 3243
Saturated-liquid heat capacity calculation of alkanes / Predskazivanje toplotnog kapaciteta zasićene tečnosti alkana
(Serbian Chemical Society, Belgrade, 2005)
An empirical model for the calculation of the heat capacity of alkanes is recommended. This model was tested and compared to known models (Luria-Benson and Růžička-Domalski) using 68 sets with 1155 literature experimental ...
Investigation of some performance of wood fiber base composite materials / Ispitivanje nekih osobina kompozitnih materijala na bazi drvenih čestica
(Univerzitet u Nišu, Niš, 2006)
In this paper the wood fiber base composite materials processing by isostatic compression is investigated. Two series of composite materials with different polymer matrices are obtained: phenolformaldechide - wood fibers ...
Viscoelastic properties of Na-alginate solution
(Association of Chemical Engineers of Serbia, 2004)
The evolution of oscillatory-induced structure of Na-alginate solutions was studied for various frequencies and concentrations. The specific rate of elastic modulus increase, as well as the specific rate of loss modulus ...
Synthesis, structure and solvatochromism of 5-methyl-5-(3-or 4-substituted phenyl)hydantoins / Sinteza, struktura i solvatohromizam 5-metil-5-(3- ili 4-supstituisanih fenil)-hidantoina
(Serbian Chemical Society, Belgrade, 2009)
Several 5-methyl-5-(3- or 4-substituted phenyl)hydantoins were prepared and their ultraviolet absorption spectra were recorded in the region 200-400 nm in twelve solvents of different polarity. The effect of solvent ...
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 ...
Immobilized lipases as practical catalysts / Imobilisane lipaze kao katalizatori od praktičnog značaja
(Faculty of Technology, Novi Sad, 2004)
Attractive features of lipase systems include versatility, substrate selectivity, regioselectivity, enantioselectivity and catalysis at ambient temperatures and pressures. To fully exploit the technical and economical ...
The possibilities of waste waters and waste processing in industry of fruit processing and fruit juices production / Mogućnosti obrade otpadnih voda i otpada u industriji prerade voća i proizvodnje voćnih sokova
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2008)
The basic characteristics of technological waste waters and industrial waste of agricultural industry, as well as of industry of fruit processing and production of juices, are high values of organic contamination and ...
Investigations of the reactivity of pyridine carboxylic acids with diazodiphenylmethane in protic and aprotic solvents, Part I: Pyridine mono-carboxylic acids / Ispitivanje reaktivnosti piridin-monokarbonskih kiselina u reakciji sa diazodifenilmetanom u protičnim i aprotičnim rastvaračima. Deo I
(Serbian Chemical Society, Belgrade, 2005)
Rate constants for the reaction of diazodiphenylmethane with isomeric pyridine carboxylic acids were determined in chosen protic and aprotic solvents at 30 °C, using the well known UV spectrophotometric method. The values ...
Hysteretic behavior modeling of elastoplastic materials / Modeliranje histerezisnog ponašanja elastoplastičnih materijala
(Serbian Society of Mechanics & Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade, 2008)
In the present paper the Preisach model of hysteresis is applied to model cyclic behavior of elasto-plastic material. Rate of loading and viscous effects will not be considered. The problem of axial loading of rectangular ...
Surface characterization of polymers by inverse gas chromatography
(Srpsko hemijsko društvo, Beograd, 2007)
An inverse gas chromatographic (IGC) study of the sorption properties of macroporous crosslinked poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate), PGME, and PGME modified with ethylene diamine, PGME-en, was ...