Претраживање
Приказ резултата 91-100 од 902
Synthesis, structure, and thermal properties of two new inorganic-organic framework compounds: Hexaaqua(mu(2)-1,2,4,5-benzenetetracarboxylato)-bis(N,N '-1,10-phenathroline)dicobalt(II) dihydrate and hexaaqua(mu(2)-1,2,4,5-benzenetetracarboxylato)-bis(N,N
(Wiley-VCH Verlag Gmbh, Weinheim, 2006)
Two binuclear complexes [Co-2(C10H2O8)(C12H8N2)(2) (H2O)(6)]center dot 2H(2)O (1) and [Ni-2(C10H2O8)(C10H9N3)(2)(H2O)(6)]center dot 4H(2)O (2) were synthesized and their structures were determined by X-ray structure analysis. ...
Titanium coated with high-performance nanocrystalline ruthenium oxide synthesized by the microwave-assisted sol-gel procedure
(Springer, New York, 2016)
Ruthenium oxide coating on titanium was prepared by the sol-gel procedure from well-defined colloidal oxide dispersions synthesized by the microwave (MW)-assisted hydrothermal route under defined temperature and pressure ...
Semi-IPNs based on polyacrylamide and poly(itaconic acid)
(Springer, New York, 2003)
Semi-IPNs based on polyacrylamide (PAAm) and poly(itaconic acid) (PIA) were prepared by two different techniques, polymerizing itaconic acid in the presence of polyacrylamide gel (Samples I) and by makiug the polyacrylamide ...
Prediction of peak-to-background ratio in gamma-ray spectrometry using simplex optimized artificial neural network
(Pergamon-Elsevier Science Ltd, Oxford, 2005)
An artificial neural network (ANN) model was used for the prediction of peak-to-background ratio (PBR) as a function of measurement time in gamma-ray spectrometry. In order to make the ANN model with good predictive power, ...
Service life prediction for refractory materials
(Springer, New York, 2008)
Ultrasonic pulse velocity testing and image analysis were used to predict the thermal stability of cordierite-mullite refractories. Two compositions used as substrates in fast firing of porcelain whiteware, characterized ...
Surface properties of HAP particles obtained by hydrothermal decomposition of urea and calcium-EDTA chelates
(Proceedings of the 15th International Symposium on Ceramics in Medicine; The Annual Meeting of the International Society for Ceramics in Medicine, 2003)
In this paper surface properties of calcium-hydroxyapatite, synthesized by modified hydrothermal reaction of urea and Ca(EDTA)(2-) in phosphate solutions, as well as the dependence of calcium hydroxyapatite dispersion ...
Threshold voltage in MOSFETs and MODFETs as a problem of nonlinear dynamics
(Natl Inst Optoelectronics, Bucharest-Magurele, 2007)
A widely known (and also very well examined) problem of threshold voltage in MOSFETs and MODFETs has been described with the tools of nonlinear dynamics. Some interesting features of such devices have been derived, together ...
Stress analysis in hydroxyapatite/poly-L-lactide composite biomaterials
(Elsevier, Amsterdam, 2001)
A three-dimensional (3D) finite element (FE) analysis of the stress concentration factor (SCF) in biocomposite model cell has been performed. The model composite consisted of a hydroxyapatite hard particle (HAp) embedded ...
Influence of the semiconductor doping level on the carrier surface density in an AlGaN/GaN MODFET channel
(Proceedings of the fourth Yugoslav Materials Research Society Conference (YUCOMAT IV), 2002)
In this paper the influence of doping level in AlGaN and GaN on the carriers surface density in a channel of modulation doped field effect transistors (MODFETs) has been investigated. The carriers concentration profile in ...
Normal- and reversed-phase chromatography of para-substituted propanoic acid Amides
(Springer Heidelberg, Heidelberg, 2002)
The chromatographic behavior of newly synthesized para-substituted propanoic acid amides has been studied in normal- and reversed-phase thin-layer chromatography. The retention mechanism on different TLC supports was ...