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Elsevier Science BV |
Documentos disponibles de esta editorial (389)
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Fringe pattern normalization consists in the background suppression and modulation normalization of a given fringe pattern, this process gives as a result a pure sinusoidal phase modulated signal. Normalization is an important operation in the d[...]![]()
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Alonso, J.L. ; Boucaud, Ph. ; Martín Mayor, Víctor ; van der Sijs, A.J. | Elsevier Science BV | 1998-04We present a 2+1-dimensional lattice model for the copper oxide superconductors and their parent compounds, in which both the charge and spin degrees of freedom are treated dynamically. The spin-charge coupling parameter is associated to the dop[...]![]()
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Dobado González, Antonio ; Herrero, M. J. ; Pelaez, J.H. ; Morales, E.R. ; Urdiales, M.T. | Elsevier Science BV | 1995-06-15In the present work we study the predictions for WZ and ZZ production at the LHC with the Electroweak Chiral Lagrangian (EChL) approach. Our analysis will be focused on the less favored case from the experimental point of view, in which the pred[...]![]()
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The Flexible Image Transport System (FITS) standard has been a great boon to astronomy, allowing observatories, scientists and the public to exchange astronomical information easily. The FITS standard, however, is showing its age. Developed in t[...]![]()
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Llanes Estrada, Felipe José ; General, Ignacio J. ; Wang, Ping ; Cotanch, Stephen R. | Elsevier Science BV | 2007-09-30Highlights in the search for nonconventional (non-q.q) meson states are the ?1(1400) and ?1(1600) exotic candidates. Should they exist, mounting theoretical arguments suggest that they are tetraquark molecular resonances excitable by meson resca[...]![]()
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The aim of this paper is to analyse linear production with committee control situations arising when controllers face the possibility of graduating their options. In order to model these situations, we consider several kinds of fuzzy controls, w[...]![]()
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This paper presents an approach to the local stereovision matching problem using edge segments as features with four attributes. Based on these attributes we compute a matching probability between pairs of features of the stereo images. A corres[...]![]()
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Chubykalo-Fesenko, Oksana ; Kauffman, J. ; Lengsfield, B. ; Smirnov Rueda, Román | Elsevier Science BV | 2002-04The standard Metropolis Monte Carlo is used to simulate thermal magnetization decay in ensemble of interacting and non-interacting particles. The fitting of demagnetization curves to simple Neel Arrhenius model, using the volume distribution, su[...]![]()
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Malyshev, Andrey ; Malyshev, V.A. ; Domínguez-Adame Acosta, Francisco | Elsevier Science BV | 2003-04-07We present a theoretical analysis of low-temperature quenching of one-dimensional Frenkel excitons that are localized by moderate on-site (diagonal) uncorrelated disorder. Exciton diffusion is considered as an incoherent hopping over localizatio[...]![]()
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Gharouel, S. ; Labrador-Paez, L. ; Urbieta Quiroga, Ana Irene ; Fernández Sánchez, Paloma ; Haro-Gonzalez, P. ; Horchani-Naifer, K. ; Ferid, M. | Elsevier Science BV | 2019-02-01Poly-crystals of praseodymium phosphate M^IPr(PO_3)_4 (M^I=Na, Li, K) and PrP_5O_14 have been synthesized by the flux method. All of these hosts crystallized in the monoclinic structures with different space groups. The spectroscopic properties [...]![]()
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The magnetism in the inherently nanolaminated ternary MAX-phase Cr_(2)GeC is investigated by element-selective, polarization and temperature-dependent, soft X-ray absorption spectroscopy and X-ray magnetic circular dichroism. The measurements in[...]![]()
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In the work presented the magnetic properties of the high pressure ilmenite phase Mn_2FeSbO_6 are investigated in detail. It is shown that Mn_2FeSbO_6 ilmenite is ferrimagnetic (T_N approximate to 270 K) and exhibits a near-zero coercive field H[...]![]()
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Utilizing an effective QCD Coulomb gauge Hamiltonian with linear confinement specified by lattice, we report a relativistic many-body calculation for the light exotic and charmed hybrid mesons. The Hamiltonian successfully describes both quark a[...]![]()
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Alonso, J. L. ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor | Elsevier Science BV | 2000-05-11We study the linear response to an external electric field of a system of fermions in a lattice at zero temperature. This allows to measure numerically the Euclidean conductivity which turns out to be compatible with an analytical calculation fo[...]![]()
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Measurement of the energy spectrum of cosmic rays above 10(18) eV using the Pierre Auger Observatory
Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Monasor, M. ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-03-08We report a measurement of the flux of cosmic rays with unprecedented precision and Statistics using the Pierre Auger Observatory Based on fluorescence observations in coincidence with at least one Surface detector we derive a spectrum for energ[...]![]()
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Ballesteros, H. G. ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; Parisi, G. ; Ruiz Lorenzo, J. J. | Elsevier Science BV | 1997-05-15Using finite-size scaling methods we measure the thermal and magnetic exponents of the site percolation in four dimensions, obtaining a value for the anomalous dimension very different from the results found in the literature. We also obtain the[...]![]()
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Ballesteros, H.G. ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; Parisi, G. ; Ruiz Lorenzo, J. J. | Elsevier Science BV | 1997-05-15Using finite-size scaling methods we measure the thermal and magnetic exponents of the site percolation in four dimensions, obtaining a value for the anomalous dimension very different from the results found in the literature. We also obtain the[...]![]()
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Pacheco, Beatriz ; Gómez-Gutiérrez, Julián ; Yélamos, Belén ; Delgado, Carmen ; Roncal, Fernando ; Albar, Juan P. ; Peterson, Darrell ; Gavilanes, Francisco | Elsevier Science BV | 2006-06Based on the predicted capacity to interact with membranes at the interface, we have found three regions in the ectodomain of the hepatitis C virus envelope glycoprotein E2 (430-449, 543-560 and 603-624) with the ability to destabilize membranes[...]![]()
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A method has been developed which permits one to determine the electrolyte permeation velocities and the membrane system permeability from measurements of the membrane potential as a function of time. The method has been applied to a cation-exch[...]![]()
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Membrane distillation (MD) is one of the non-isothermal membrane separation processes used in various applications such desalination, environmental/waste cleanup, food, etc. It is known since 1963 and is still being developed at laboratory stage[...]![]()
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Valdés, Jorge ; Román, Domingo ; Álvarez Galindo, Gabriel ; Ortlieb, Luc ; Guiñez, Marcos | Elsevier Science BV | 2008-05Physical-chemical parameters (temperature, salinity, dissolved oxygen, nutrients, and chlorophyll concentration) of surface waters were used to evaluate the influence of biological and physical processes over the metal concentrations (Cd, Ni, V,[...]![]()
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Peña, Luis ; Godino Gómez, María Paz ; Mengual Cabezón, Juan Ignacio | Elsevier Science BV | 1998-05-27A method is proposed that permits to evaluate the net membrane distillation coefficient. The method, which completes and is based on a model previously reported, emphasizes the influence of the unstirred boundary layers on the membrane distillat[...]![]()
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The exact evolution equations for the conserved densities of a one-component two-phase fluid are reduced, in each bulk phase to the corresponding linearized hydrodynamic equations and at the interface, to boundary conditions, relating the jump i[...]![]()
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We introduce a slight modification of the definition of migrativity for aggregation functions that allows useful characterization of this property. Among other things, in this context we prove that there are no t-conorms, uninorms or nullnorms t[...]![]()
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Álvarez Solas, Jorge ; Charbit, Sylvie ; Ramstein, Gilles ; Paillard, Didier ; Dumas, Christophe ; Ritz, Catherine ; Roche, Didier M. | Elsevier Science BV | 2011-04A coupled climate-ice-sheet model is used to investigate the response of climate at the millennial time scale under several global warming long-term scenarios, stabilized at different levels ranging from 2 to 7 times the pre-industrial CO2 level[...]