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author = "Matteucci F."
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Found 125 documents, displaying page 1 of 13

Chemical Evolution of Galaxies and Intracluster Medium

Author(s) : Matteucci, F.
Description : In this series of lectures I discuss the basic principles and the modelling of the chemical evolution of galaxies. In particular, I present models for the chemical evolution of the Milky Way galaxy and compare them with the available observational data. From this comparison one can infer important...
Repository : arXiv
Language(s) : Undetermined

Effect of soda-lime glass on sintering and technological properties of porcelain stoneware tiles

Author(s) : Matteucci F. , Dondi M. , Guarini G.
Description : The feasibility of waste glass recycling in ceramic tile production was assessed with special reference to fully vitrified products (porcelain stoneware). Soda-lime float or container glass was introduced, in replacement of sodic feldspar, in typical porcelain stoneware bodies (up to 10% wt) that un...
Repository : National Research Council Faenza - ISTEC Repository
Language(s) : English

Zirconium titanate ceramic pigments: Crystal structure, optical spectroscopy and technological properties

Author(s) : Dondi M. , Matteucci F. , Cruciani G.
Description : Srilankite-type zirconium titanate, a promising structure for ceramic pigments, was synthesized at 1400 degrees C following three main doping strategies: (a) ZrTi(1-x)A(x)O(4), (b) ZrTi(1-x-y)A(x)B(y)O(4) and (c) Zr1-xCTiO4 where A = Co, Cr, Fe, Mn. Ni or V (chromophores), B = Sb or W (counterions) ...
Repository : National Research Council Faenza - ISTEC Repository
Language(s) : English

A Possible Solution of the G-Dwarf Problem in the Frame-work of Closed Models with a Time-Dependent IMF

Author(s) : Martinelli, A. , Matteucci, F.
Description : In this paper we present a method to solve the Gdwarf problem in the frame-work of analytical models (based on the instantaneous recycling approximation, IRA).We consider a one-zone closed model without inflows or outflows.We suppose a time-dependent Initial Mass Function (IMF) and we find an integr...
Repository : Infoscience
Language(s) : English

Galactic Winds in Irregular Starburst Galaxies

Author(s) : Matteucci, F. , Recchi, S.
Description : In this paper we present some results concerning the study of the development of galactic winds in blue compact galaxies. In particular, we model a situation very similar to that of the galaxy IZw18, the most metal poor and unevolved galaxy known locally. To do that we compute the chemo-dynamical ...
Repository : arXiv
Language(s) : Undetermined

On the typical timescale for the chemical enrichment from SNeIa in Galaxies

Author(s) : Matteucci, F. , Recchi, S.
Description : We calculate the type Ia supernova rate for different star formation histories in galaxies by adopting the most popular and recent progenitor models. We show that the timescale for the maximum in the type Ia supernova rate, which corresponds also to time of the maximum enrichment, is not unique bu...
Repository : arXiv
Language(s) : Undetermined

Lyman-break galaxies: are they young spheroids?

Author(s) : Matteucci, F. , Pipino, A.
Description : We have compared the results from a model for the chemical evolution of an elliptical galaxy with initial luminous mass of 2x10^10 M_sun and effective radius of 2 kpc with the recent abundance determinations for the Lyman-break galaxy MS 1512-cB58 at a redshift z=2.7276. After correcting the iron ...
Repository : arXiv
Language(s) : Undetermined

The evolution of cosmic star formation, metals and gas

Author(s) : Calura, F. , Matteucci, F.
Description : We reconstruct the history of the cosmic star formation as well as the cosmic production of metals in the universe by means of detailed chemical evolution models for galaxies of different morphological types. We consider a picture of coeval, non-interacting evolving galaxies where ellipticals expe...
Repository : arXiv
Language(s) : Undetermined

The cosmic evolution of the galaxy luminosity density

Author(s) : Calura, F. , Matteucci, F.
Description : We reconstruct the history of the cosmic star formation in the universe by means of detailed chemical evolution models for galaxies of different morphological types. We consider a picture of coeval, non-interacting evolving galaxies where ellipticals experience intense and rapid starbursts within ...
Repository : arXiv
Language(s) : Undetermined

Cosmic metal production and the mean metallicity of the Universe

Author(s) : Calura, F. , Matteucci, F.
Description : By means of detailed chemo-photometric models for elliptical, spiral and irregular galaxies, we evaluate the cosmic history of the production of chemical elements as well as the metal mass density of the present-day universe. We then calculate the mean metal abundances for galaxies of different mo...
Repository : arXiv
Language(s) : Undetermined
1 2 3 4 5 > >>

Found 125 documents, displaying page 1 of 13