Претраживање
Приказ резултата 1-10 од 4410
In Vitro Biocompatibility Evaluation of Novel Urethane-Siloxane Co-Polymers Based on Poly(epsilon-Caprolactone)-block-Poly(Dimethylsiloxane)-block-Poly(epsilon-Caprolactone)
(Taylor & Francis Ltd, Abingdon, 2012)
Novel polyurethane co-polymers (TPUs), based on poly(epsilon-caprolactone)-block-poly(dimethylsiloxane)-block-poly(epsilon-caprolactone) (PCL-PDMS-PCL) as soft segment and 4,4'-methylenediphenyl diisocyanate (MDI) and ...
Complexation ability of octaazamacrocyclic ligand toward Co2+, Ni2+, Cu2+ and Zn2+ metal cations: Experimental and theoretical study
(Oxford : Pergamon-Elsevier Science Ltd, 2013)
The complexation reactions between octaazamacrocyclic ligand N,N',N '',N'"-tetrakis(2-pyridylmethyl)-1,4,8,11-tetraazacyclotetradecane (tpmc) and Co2+, Ni2+, Zn2+ and Cu2+ metal cations have been studied conductometrically ...
Antifungal activity of selected essential oils against fungi isolated from medicinal plant
(Elsevier, 2014)
The development of protective products with natural origin as alternatives to synthetic fungicides is currently in the spotlight. Qualitative and quantitative chemical analysis of 16 selected essential oils was determined. ...
Perturbations of the Dushman Reaction with Piroxicam: Experimental and Model Calculations
(Wiley-V C H Verlag Gmbh, Weinheim, 2014)
Perturbation of the BrayLiebhafsky non-oscillating subsystem (mixture of KIO3 and H2SO4), i.e., Dushman reaction (DR), by piroxicam (PX), was observed in an open reactor, i.e., in the continuously fed well-stirred tank ...
Essential oil of anthemis montana
(Taylor & Francis, 1998)
The essential oil of Anthemis montana L. (Asteraceae) has been analyzed using GC and GC/MS. Forty-two components were identified. The major fractions belonged to α-thujone (46.9%), β-thujone (16.0%), and trans-chrysanthemyl ...
Crystal Structure and Solid State Conformation of 5‐Hydroxy‐8,9‐Dioxo‐8,9‐Seco‐α‐Cholestan‐3β‐yl Acetate
(Comltb van Beheer van het Bulletin V.Z.W., 1993)
The molecular structure of the title compound, which might be a possible intermediate in the synthesis of 5,10:8,9‐diseco‐steroids (=steroklastanes), was determined by X‐ray analysis. Hydrogen bonding between the 5α‐hydroxyl ...
Nanocomposite permanent magnetic materials Nd-Fe-B type: The influence of nanocomposite on magnetic properties
(Technical Faculty, Bor, 2005)
The influence on the magnetic properties of nanocristalline ribbons and powders has character of microstructure, between others – the grain size volume of hard and soft magnetic phases and their distribution. Magnetic ...
The oscillatory Bray-Liebhafsky reaction as a matrix for analyzing enzyme and polymeric catalysts for hydrogen peroxide
(International Institute for the Science of Sintering, Beograd, 2001)
The Bray-Liebhafsky (BL) oscillatory reaction, as a reaction where hydrogen peroxide decomposes into the water and oxygen in the presence of iodate and hydrogen ions through a complex mechanism involving a number of ...
Modeling of coating optical fibers with polymer-magnetic powder composite coating
(International Institute for the Science of Sintering, Beograd, 2002)
A mathematical model of forming a composite coating on optical fiber was established. The model is based on existing mathematical models for coating optical fibers with polymer coating and experimentally defined rheological ...
Tourbillion in the phase space of the Bray-Liebhafsky nonlinear oscillatory reaction and related multiple-time-scale model
(Univ Kragujevac, Fac Science, Kragujevac, 2013)
The mixed-mode dynamical states found experimentally in the concentration phase space of the iodate catalyzed hydrogen peroxide decomposition (The Bray-Liebhafsky oscillatory reaction) are discussed theoretically in a ...