Browsing Artículos (Física Aplicada I) by Issue Date
Now showing items 21-40 of 519
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Article
Transfer of natural radionuclides from soils to plants in a wet marshland
(Elsevier, 1996)Soils and two wild plant species (Spartina densiflora and Spartina maritima) have been collected from the Odiel river marsh ...
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Article
Lie symmetries and multiple solutions in lambda-omega reaction-diffusion systems
(IOP, 1997)Lie theory of transformation groups is applied to the study of lambda-omega reaction-diffusion systems in two-dimensional ...
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Article
Glassy behavior in a simple model with entropy barriers
(American Physical Society, 1997)We study the dynamical behavior of a system with a variable number of particles n. The empty state n=0 is the ground state, ...
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Spiral waves solutions in reaction-diffusion equations with symmetries. Analysis through specific models
(IOP Science, 1997)Symmetries of nonlinear reaction-diffusion equations determine the existence of regular rotating spiral waves. They are ...
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Article
A six-phase model to simulate the contamination by non-conservative radionuclides of sediments, soils and plants in a marsh area. Application to the Odiel marsh in southwest Spain
(Elsevier, 1997)A numerical model to simulate the dispersion of non-conservative radionuclides in an estuarine system that surrounds a ...
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Article
Uranium and thorium concentrations in an estuary affected by phosphate fertilizer processing: Experimental results and a modelling study
(Elsevier, 1997)The Odiel river, in southwest Spain, forms an estuarine system which is affected by waste disposal from a fertilizer ...
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Article
210Pb enhancement in rivers affected by the phosphate rock processing in southwestern Spain
(Elsevier, 1997)The activity levels of 210Pb in solution and bottom sediments were measured in the estuary formed by the Odiel and Tinto ...
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Article
Anthropogenic contamination analyzed by TTPIXE in samples from the Odiel salt marsh at the SW Spain
(Springer, 1997)The studied marsh area is located at the southwest of Spain in an estuarine system formed by the confluence of the Odiel ...
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Article
Radioactive impact of phosphate ore processing in a wet marshland in southwestern Spain
(Elsevier, 1997)In this paper an extensive study of the presence of natural radionuclides in a marshland area located in the vicinity of ...
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Article
Transfer of natural radionuclides from soils to plants in a marsh enhanced by the operation of non-nuclear industries
(Elsevier, 1997)Two sampling campaigns were performed in 1993 at the marsh area (Odiel marsh) located in southwestern Spain, in the city ...
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Article
Electrooptical measurement system for the DC characterization of visible detectors for CMOS-compatible vision chips
(IEEE, 1998)Abstract—An electrooptical measurement system for the dc characterization of visible detectors for CMOS-compatible ...
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Article
Steady state of a fluidized granular medium between two walls at the same temperature
(American Physical Society, 1998)The steady state of a low-density gas of inelastic hard spheres confined between two parallel walls at the same temperature ...
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Article
Three-dimensional modelling of the tide-induced dispersion of radionuclides in the sea
(Elsevier, 1998)A three-dimensional marine dispersion model for radionuclides has been developed. ¹he model solves the three-dimensional ...
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Article
Kinetic transfer coefficients for radionuclides in estuarine waters: Reference values from133Ba and effects of salinity and suspended load concentration
(Springer, 1998)In estuarine environments there are important spatial and temporal changes in both salt and suspended load concentrations. ...
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Article
Soil to plant transfer of 226 Ra in a marsh area: Modelling application
(Elsevier, 1998)¹he Odiel river forms an estuarine system which surrounds a large marsh area. A phosphate fertilizer processing complex ...
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Article
A three dimensional σ-coordinate model to simulate the dispersion of radionuclides in the marine environment: application to the Irish Sea
(Elsevier, 1998)A three dimensional model to simulate the tide induced dispersion of radionuclides in the sea has been developed. The model ...
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Article
Modelling the Distribution of Radionuclides in Deep Ocean Water Columns. Application to 3H, 13 Cs and 239, 246Pu
(Elsevier, 1998)A one-dimensional model to simulate the dispersion of radionuclides down deep water columns has been developed. The model ...
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Article
Evidencias morfogenéticas cuaternarias en el Karst de la Sierra del Endrinal (Grazalema, Cádiz)
(Sociedad Geológica de España, 1998)The geomorphological observations made until now reveal a long morphogenic history for the karst of the Eridrinal: mountains; ...
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Article
dc motion of ac driven sine-Gordon solitons
(Elsevier, 1998-10-05)We investigate the dependence of dc soliton motion sustained by pure ac driving in the sine-Gordon model on various parameter ...
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Article
Discrete breathers and Anderson modes: two faces of the same phenomenon?
(Elsevier, 1999)Time-periodic localized oscillations occur in a variety of contexts, in particular in weakly coupled anharmonic lattices ...