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Mostrando ítems 121-130 de 422
Artículo
Minimal covers of open manifolds with half-spaces and the proper L-S category of product spaces
(Belgian Mathematical Society, 2002-09)
Classical results about the Lusternik-Schnirelmann category of product spaces have their analogues in the category of proper maps. By comparing the proper Lusternik-Schnirelmann category of an open manifold X with ...
Artículo
Synthesis, structure, properties and biological behaviour of the complex [RuIV (H2L) CI2] 2H2O (H4L- 1,2-cyclohexanediamminetetraacetic acid)
(Hindawi Publishing Corporation, 2004)
The highly water-soluble ruthenium complex [Ru(H2L)Cl 2]·2H2O, in which H4L is the sequestering ligand trans-l,2-cyclohexanediamminetetraacetic acid (cdta) has been synthesized, structurally characterized and its properties ...
Artículo
Nonnegative solutions for a heterogeneous degenerate competition model
(Cambridge University Press, 2004-10)
This paper deals with the existence, uniqueness and qualitative properties of nonnegative and nontrivial solutions of a spatially heterogeneous Lotka-Volterra competition model with nonlinear diffusion. We give conditions ...
Artículo
Laboratory work in teaching basic three-phase electrical circuits
(SAGE publishing, 2010)
This paper describes a laboratory-based teaching proposal for the understanding of three-phase circuits at the undergraduate level of engineering degrees. The practical content of the proposed activities is oriented towards ...
Artículo
Unreliable point facility location problems on networks
(Elsevier, 2014-03)
In this paper we study facility location problems on graphs under the most common criteria, such as, median, center and centdian, but we incorporate in the objective function some reliability aspects. Assuming that facilities ...
Artículo
Los empresarios ante los regímenes democráticos en España: la II República y la transición
(Universidad de Alicante. Departamento de Humanidades Contemporáneas, 2007)
La actitud de los empresarios ante la II República y la transición democrática en los años setenta guarda una notable semejanza, pese a tratarse de dos modelos de cambio distintos y a la existencia de contextos políticos ...
Artículo
Green's Function Evaluation for Three Dimensional Exponentially Graded Elasticity
(Wiley, 2008)
The numerical implementation of the Green's function for an isotropic exponentially graded three dimensional elastic solid is reported. The formulas for the nonsingular `grading term' in this Green's function, originally ...
Artículo
Ponencia
Efecto de la solarización y la biofumigación con hojas de fresón y con gallinaza en la emergencia de adultos de "Helicoverpa armigera" (Hübner)
(Sociedad Española de Entomología Aplicada, 2005)
Artículo
ESTELLE: A Method to Analyze Automatically the Performance of Telecontrol Protocols in SCADA Systems
(IEEE Computer Society, 2002)
This paper presents the use of ESTELLE, a formal description technique, as a method to calculate automatically the performance of telecontrol protocols in SCADAsystems. Some specific primitives are added to the ESTELLE ...