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Morales, Juan ; Astilleros García-Monge, José Manuel ; Fernández-Díaz, Lourdes ; Álvarez-Lloret, Pedro ; Jimenez, Amalia | Elsevier Science B.V. | 2013The dissolution–precipitation reactions occurring on mineral surfaces are considered an effective means to remove high amounts of dissolved toxic metals from fluid phases by precipitation of an ewsolidin whose structures the pollutant is immobi[...]texto impreso
Silva Barroso, Pablo Gabriel ; Borja, Francisco ; Zazo Cardeña, Caridad ; Goy Goy, José Luis ; Bardají Azcárate, Teresa ; Luque, Luis de ; Lario, Javier ; Dabrio, Cristino J. | Elsevier Science B.V. | 2005This study represents the first paleoseismic approach in Spain in which archaeological remains are considered. The ancient Roman city of Baelo Claudia (1st–4th centuries AD), located at the axial zone of the Gibraltar Strait (Cadiz, south Spain)[...]texto impreso
Alba Alonso, Saturnino de ; Borselli, Lorenzo ; Torri, Dino ; Pellegrini, Sergio ; Bazzoffi, Paolo | Elsevier Science B.V. | 2006This study was designed to characterise the soil translocation effect induced by mouldboard ploughing with an implement traditionally used in the Tuscany region (Central Italy).We discuss the results of a set of field experiments performed to me[...]texto impreso
Chioncel, M. F. ; Díaz-Guerra Viejo, Carlos ; Piqueras de Noriega, Javier ; Vincent, J. ; Bermudez, V. ; Dieguez, E. | Elsevier Science B.V. | 2004-07-15The nature and the spatial distribution of radiative defects in InxGa1-xSb grown by the vertical Bridgman method have been studied by cathodoluminescence (CL) in a scanning electron microscope. The CL results have been complemented by X-ray micr[...]texto impreso
Vincent, J. ; Díaz-Guerra Viejo, Carlos ; Piqueras de Noriega, Javier ; Amariei, A. ; Polychronladis, E.K. ; Dieguez, E. | Elsevier Science B.V. | 2006-03-15Undoped and Te-doped GaSb ingots have been grown by the vertical feeding method. The structural, optical and electrical properties of the grown crystals were respectively investigated by X-ray diffraction, transmission electron microscopy, catho[...]texto impreso
Plaza, J. L: ; Hidalgo Alcalde, Pedro ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Dieguez, E. | Elsevier Science B.V. | 2002-06Nd-doped GaSb bulk crystals with three different dopant concentrations have been grown by the vertical Bridgman technique. The axial segregation has been characterised by obtaining the effective segregation coefficient. Differences in the value [...]texto impreso
Ancochea Soto, Eumenio ; Hernán Reguera, Francisco ; Cendrero, Antonio ; Cantagrel, Jean Marie ; Fúster, José Maria ; Ibarrola, Elisa ; Coello, Juan | Elsevier Science B.V. | 1990The results of new field observations, 23 new K-Ar determinations and sixteen previously published determinations provide the basis for the reconstruction of the subaerial volcanic history of the island of La Palma, after the seamount activity r[...]texto impreso
Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel | Elsevier Science B.V. | 1997The crystallization sequences in the system (NH4)2SO4 Li2SO4-H20 at 50C have been studied for solutions with an initial [(NH4)2SO4]/[LizSO4] molar ratio higher than l. The crystal growth experiments were carried out under isothermal conditions i[...]texto impreso
Aleman, A. ; Fernández Sánchez, Paloma ; Piqueras de Noriega, Javier | Elsevier Science B.V. | 2010-10-15Dense vertical arrays of indium doped ZnO nanoplates have been grown by thermal treatment of compacted ZnS-In_2O_3 powders with 0.35 at% of In. The distribution of nanoplates is related to the grain structure of the substrate. Only a small conte[...]texto impreso
Two independent sets of heat flow estimates provide constraints on the Hesperian-era surface and mantle heat flows, and the thickness of the heat-producing elements (HPE)-enriched upper crust, in the Solis Planum region of Mars. The calculations[...]texto impreso
Chiral symmetry breaking in stirredcrystallization of sodium chlorate (NaClO3) is believedto occur via nucleation of a single chiral ‘‘mother crystal’’ that produces a new generation of crystals which inherit its chirality. We here report result[...]texto impreso
During landward migration, ridge and runnel systems are subjected to asymmetric oscillatory and/or unidirectional flow regimes, depending on the stage of development reached by these systems. In the early stages of evolution, when the ridge is s[...]texto impreso
Vindel, Elena ; López García, José Ángel ; Martín Crespo, Tomás ; García Romero, Emilia | Elsevier Science B.V. | 2000Fluids related to veins and hydrothermal alterations from the Spanish Central System have been studied. Fluid chemistry has been established using microthermometry and Raman spectroscopy. Special attention has been paid to the evolution of P–T c[...]texto impreso
Alía, J.M. ; Díaz de Mera, Y. ; Edwards, H.G.M. ; González Martín, Paloma ; López Andrés, Sol | Elsevier Science B.V. | 1997Synthetic aragonite-strontianite solid-solution samples have been studied using dispersive IR and FT-Raman spectroscopy. In addition to the end-members, nine samples over a range of composition from Ca0,9Sr0,1CO3 to Ca0,1Sr0,9CO3 were analysed. [...]texto impreso
Earth is the only terrestrial planet with present-day lithosphere recycling through plate tectonics. However, theoretical models of mantle convection based on general considerations find that all the terrestrial planets should be operating in th[...]
