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Elsevier Science BV |
Documentos disponibles de esta editorial (389)
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Galindo, R. ; Menendez, N. ; Crespo del Arco, Patricia ; Velasco, V. ; Bomati Miguel, O. ; Díaz Fernández, D. ; Herrasti, P. | Elsevier Science BV | 2014-06Nickel nanoferrites were obtained by means of four different synthetic wet-routes: co-precipitation (CP), sonochemistry (SC), sonoelectrochemistry (SE) and electrochemistry (E). The influence of the synthesis method on the structural and magneti[...]![]()
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Fisher's method of maximum likelihood breaks down when applied to the problem of estimating the five parameters of a mixture of two normal densities from a continuous random sample of size n. Alternative methods based on minimum-distance estimat[...]![]()
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UV-photografting using two different monomers, acrylic acid and N-vinylpyrrolidone, with different concentrations in an aqueous solution and various irradiation times were studied. Irreversible fouling of both the un-grafted polyethersulfone and[...]![]()
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Since transitivity is quite often violated even by decision makers that accept transitivity in their preferences as a condition for consistency, a standard approach to deal with intransitive preference elicitations is the search for a close enou[...]![]()
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El-Abbassi, A. ; Hafidi, A. ; García Payo, María del Carmen ; Khayet Souhaimi, Mohamed | Elsevier Science BV | 2009-09-15The possibility of olive mill wastewaters (OMW) treatment and concentration by membrane distillation has been investigated. The objective is to obtain pure water and a concentrate containing high amounts of polyphenols, which can be extracted la[...]![]()
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Scigaj, Mateusz ; Gázquez, Jaume ; Varela del Arco, María ; Fontcuberta Griñó, Josep ; Herranz Casabona, Gervasi ; Sánchez Barrera, Florencio | Elsevier Science BV | 2015-11-15Interfaces between (110) and (111)SrTiO_3 (STO) single crystalline substrates and amorphous oxide layers, LaAlO_3 (a-LAO), Y:ZrO_2 (a-YSZ), and SrTiO_3 (a-STO) become conducting above a critical thickness tc. Here we show that t_c for a-LAO is n[...]![]()
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Menéndez Calleja, María Luisa ; Pardo Llorente, Leandro ; Pardo Llorente, María del Carmen | Elsevier Science BV | 2009-02-01In this paper we present recentered confidence sets for the parameters of a logistic regression model based on preliminary minimum phi-divergence estimators. Asymptotic coverage probabilities are given as well as a simulation study in order to a[...]![]()
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We study in this paper a modification of continued fractions defined by the author, such that its lexicographic order coincides with the linear order of real numbers. This fact has beautiful consequences in Topology. Indeed, it gives the possibi[...]![]()
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We report a relativistic many-body calculation for the hybrid meson spectrum utilizing a QCD inspired Coulomb gauge Hamiltonian. Our approach is comprehensive and unifies the quark and gluon sectors. The vacuum and quasiparticle properties are g[...]![]()
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Darboux transformation is reconsidered for the supersymmetric KdV system. By iterating the Darboux transformation, a supersymmetric extension of the Crum transformation is obtained for the Manin-Radul SKdV equation, in doing so one gets Wronskia[...]![]()
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A combined scanning electron microscope-scanning tunneling microscope (SEM-STM) system has been used to investigate surface topographic and electronic properties of YBa2Cu3O7-x (YBCO) and Bi2Sr2Ca-Cu2O8+x (Bi-2212) single crystals. Current imagi[...]![]()
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In this paper we present a vectorial Darboux transformation, in terms of ordinary determinants, for the supersymmetric extension of the Korteweg-de Vries equation proposed by Manin and Radul. It is shown how this transformation reduces to the Ko[...]![]()
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We construct Darboux transformations for the super-symmetric KP hierarchies of Manin-Radul and Jacobian types. We also consider the binary Darboux transformation for the hierarchies. The iterations of both type of Darboux transformations are bri[...]![]()
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Quiroga Mellado, Juan Antonio ; Servín Guirado, Manuel ; Cuevas de la Rosa, Francisco Javier | Elsevier Science BV | 2001-12-15First- and second-order recursive Digital Phase Locked Loops (DPLLs) have been used recently in fringe data processing because it is the fastest way to obtain the unwrapped phase of a carrier frequency fringe pattern due to its minimal computati[...]