Претраживање
Приказ резултата 1-10 од 893
Comparison of Morphological Parameters of Ceramic Materials Surface Damage Exposed to Thermal Shock and Cavitation Erosion
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2016)
The surface defects on the samples, which are based on alumina, exposed to thermal shocks and cavitations erosion were analyzed using image analysis. For both types of experimental testing, the samples are made of the same ...
Water-induced isomerism of salicylaldehyde and 2-acetylpyridine mono- and bis-(thiocarbohydrazones) improves the antioxidant activity: spectroscopic and DFT study
(Springer/Plenum Publishers, New York, 2019)
Thiocarbohydrazones (TCHs) and structurally related molecules are versatile organic compounds which exert antioxidant, anticancer, and other beneficial health effects. The combination of UV/Vis, NMR spectroscopy, and quantum ...
Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil
(Springer International Publishing Ag, Cham, 2018)
The use of soil additives for toxic metals chemical stabilization aims to decrease in situ the pollutants' mobility and availability. In this study, the effectiveness of rinsed red mud (RBRM) and annealed animal bones ...
Computational and spectroscopic data correlation study of N,N '-bisarylmalonamides (Part II)
(Springer, New York, 2015)
To complement a previous UV study, we present a quantitative evaluation of substituent effects on spectroscopic data (H-1 and C-13 NMR chemical shifts as well as FT-IR absorption frequency) applied to N, N'-bisarylmalonamides, ...
Waste Lard Methanolysis Catalyzed by KOH at Moderate Temperatures
(Wiley-VCH Verlag Gmbh, Weinheim, 2016)
The KOH-catalyzed methanolysis of waste lard from piglet roasting in a moderate temperature range was investigated in order to establish the reaction kinetics. For comparison, lard and thermally treated lard were also ...
Structural, thermal, mechanical, swelling, drug release, antibacterial and cytotoxic properties of P(HEMA)/PVP semi-IPN hydrogels
(Inst Chemical Engineers, Rugby, 2017)
The aim of this work was to synthesize a series of semi-interpenetrating polymer networks (semi-IPNs) of 2-hydroxyethyl acrylate and itaconic acid, in the presence of poly(N-vinylpyrrolidone). Samples were synthesized by ...
Synthesis and structure determination of a chain-like aluminophosphate obtained with 1,2-diaminopropane as the structure-directing agent
(Pergamon-Elsevier Science Ltd, Oxford, 2003)
Colorless plate-like crystals (AIPO-1,2DAP) crystallize from a clear 'AlPO4-1,2-diaminopropane' reaction system. The results of elemental, thermal and FTIR analyses give the following chemical formula: (NH4+)(1,2-H(2)DAP ...
Photocatalytic degradation of methylene blue under natural sunlight using iron titanate nanoparticles prepared by a modified sol-gel method
(Royal Soc, London, 2020)
The aim of this work was to synthesize semiconducting oxide nanoparticles using a simple method with low production cost to be applied in natural sunlight for photocatalytic degradation of pollutants in waste water. Iron ...
Chemometric evaluation of binary mixtures of alginate and polysaccharide biopolymers as carriers for microencapsulation of green tea polyphenols
(Taylor & Francis Inc, Philadelphia, 2017)
In this study principal component analysis and artificial neural networks were used to evaluate the potential of using binary mixtures of sodium alginate and other polysaccharide biopolymers as the carriers for microencapsulation ...
Structural, spectroscopic and computational study of 5-(substituted phenylazo)-3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridones
(Wiley, Hoboken, 2018)
Ten 5-(substituted phenylazo)-3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridones were studied (five new compounds) to provide insight into the electronic effects of diverse substituents located at different positions in their ...