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Analiza zachmurzenia na cyfrowych obrazach satelitarnych o wysokiej zdolnosci rozdzielczej AVHRR

100%

Serafin D.

Wiadomości Instututu Meteorologii i Gospodarki Wodnej

1992

tom 15

nr 1-2

69-78

Diffusion Path in Ternary One-Phase Systems: An Overview

45%

Serafin D. , Nowak W. J. , Wierzba P. , Wędrychowicz S. , Wierzba B.

tom Vol. 44, nr 1

1--8

In this article, the fundamental questions concerning the diffusion path, in particular, what is the shape of diffusion path in ternary systems and how to approximate it from the initial concentration profile, will be answered. The new rules were found which allow for determining the diffusion path from a known initial concentration of the components. This approximation will allow for designing new materials without a time-consuming numerical simulation of the full system of equations. It is shown that the difference in intrinsic diffusion coefficients determines the up-hill diffusion.

A resilience model based on Stochastic Poison Process

38%

Eid M. , Serafin D. , Barbarin Y. , Kołowrocki K. , Kuligowska E. , Soszyńska-Budny J.

tom Vol. 6, No. 3

45--52

Critical Infrastructure (CI) Preparedness and Resilience modelling, simulation & analysis (MS&A) is a major issue in CI protection (CIP) and crisis management. This is due to the rapid growth of the inference of the smart complex systems in the modern society activities. The concept of resilience in CIP is not yet clearly defined. However, “resilience” is often used as a measure of the system good behaviour facing a given threat. Under a given threat, a CI may evolve within a set of well-defined operating phases. Subsequently, the failure of the CI to provide the expected service will depend not only on the threat nature but also on the operating phase. A tentative probabilistic model is proposed describing the robustness and the resilience of a well-defined infrastructure facing a given threat.