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Novel approach to the investigation of carriers' concentration in various semiconductor structures
(Natl Inst Optoelectronics, Bucharest-Magurele, 2006)
In this paper modern approach to the investigation of carriers' concentration applicable to various semiconductor structures has been developed. The model has exploited transport equation with the quantum correction term ...
Effect of annealing temperature on the formability of Al-Mg4.5-Cu0.5 alloy sheets
(Elsevier Science Sa, Lausanne, 2006)
Formability of Al-Mg4.5-Cu0.5 alloy sheets was tested after annealing at different temperatures (220-520 degrees C) and water quenching. The formability (normalized limiting dome heights, LDH/R) showed only a small variation ...
Nanomechanical properties evaluation of bioactive glass coatings on titanium alloy substrate
(Natl Inst Optoelectronics, Bucharest-Magurele, 2006)
Bioinert metallic implants such as titanium and titanium alloys could be coated with bioactive materials with good adhesion to metal and which could be also bonded to the bone. In order to predict the mechanical behavior ...
The Candida rugosa lipase catalyzed synthesis of amyl isobutyrate in organic solvent and solvent-free system: A kinetic study
(Elsevier, Amsterdam, 2006)
The Candida rugosa lipase catalyzed esterification of butyric acid with amyl alcohol in isooctane and in solvent-free system was studied. Nearly complete conversion ( gt 95%) of substrates was achieved using low enzyme ...
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. ...
Adsorption of phenol and 2,4-dinitrophenol on activated carbon cloth: The influence of sorbent surface acidity and pH
(Taylor & Francis Inc, Philadelphia, 2006)
In this work the effect of the activated carbon cloth surface acidity and pH of the solution on phenols adsorption has been studied. Two phenols, widely different in the terms of their pKa values (phenol and 2,4-dinitrophenol), ...
Enhancement of the electrochemical reduction of oxygen at platinum by nickel underpotential deposition
(Springer, New York, 2006)
Polycrystalline Pt electrode was modified by underpotential deposition (upd) of nickel. The modification was performed by potential cycling in phosphate buffer pH 7. 0 containing NiSO4, in which hydrogen and nickel upd ...
Effects of operating parameters on efficiency of cadmium and zinc removal by the complexation-filtration process
(Elsevier, Amsterdam, 2006)
A process for purifying wastewaters containing heavy and toxic metals such as cadmium and zinc by the complexation-filtration process was studied. From previous research, diethylaminoethyl cellulose (DEAE23) was selected ...
Biocompatible and bioadhesive hydrogels based on 2-hydroxyethyl methacrylate, monofunctional poly(alkylene glycol)s and itaconic acid
(Springer, New York, 2006)
Novel poly(Bisomer/HEMA/IA) hydrogels were prepared by radical copolymerization of poly(alkylene glycol) (meth)acrylates, i.e. short chains Bisomers, 2-hydroxyethyl methacrylate (HEMA) and itaconic acid (IA) in a mixture ...
The particle distribution functions and applications
(Natl Inst Optoelectronics, Bucharest-Magurele, 2006)
The new generalized logarithmic equation defined by four parameters, called LG4, was formulated and proposed for describing particle size and shape distributions. For special choice of the parameters the LG4 was reduced ...