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A mathematical model of the galvanic iron corrosion is, here, presented. The iron(III)-hydroxide formation is considered together with the redox reaction. The PDE system, assembled on the basis of the fundamental holding electro-chemistry laws, is numerically solved by a locally refined FD method.… |
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In this paper, a general approach to de la Vallée Poussin means is given and the resulting near best polynomial approximation is stated by developing simple sufficient conditions to guarantee that the Lebesgue constants are uniformly bounded. Not only the continuous case but also the discrete… |
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Cellular signaling (or signal transduction) is the process by which extracellular signals are converted into cellular responses. Mathematical models of signaling pathways may help understanding their general regulatory principles, as well as the roles of the different components often involved in… |
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This paper provides a unified point of view on fractional perimeters and Riesz potentials. Denoting byH? - for ? 2 .0; 1/ - the ?-fractional perimeter and by J ? - for ? 2 .(d; 0)- the ?-Riesz energies acting on characteristic functions, we prove that both functionals can be seen as limits of… |
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The problem of obtaining relevant results in web searching has been tackled with several approaches.
Although very e0ective techniques are currently used by the most popular search engines when no a priori
knowledge on the user's desires beside the search keywords is available, in di0erent settings… |
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In the present paper, we constructed an estimator of a delta contaminated mixing density function $g(\lam)$
of an intensity $\lambda$ of the Poisson distribution.
The estimator is based on an expansion of the continuous portion $g_0(\lambda)$ of the unknown pdf over an overcomplete dictionary
with… |
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Controlled release of a drug contained in a spherical polymer capsule is of significant interest in many fields of medicine. There is growing interest in tailoring the erosion properties of the drug to help control and optimize the drug release process. Theoretical understanding of the nature of… |
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Precise knowledge of X-ray diffraction profile shape is crucial in the investigation of the properties of matter in crystals powder.
Line-broadening analysis is the fourth pre-processing step in most of the full powder pattern fitting softwares. The final result of
line-broadening analysis strongly… |
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We investigate the influence of shear on the gravitational settling of heavy inertial particles in homogeneous shear turbulence (HST). In addition to the well-known enhanced settling velocity, observed for heavy inertial particles in homogeneous isotropic turbulence (HIT), a horizontal drift… |
