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Abstract

The main research question in this article concerns the factors responsible for development of Brandenburg in the last 15 years, which enable to divert the region from its previous development model. For answering this question the method of individual, in-depth interviews with the main actors on the regional scene was used, supported by desk research and statistical data analysis. The development of Brandenburg was strongly infl uenced by external factors as consequences of functioning under the conditions of centrally planned economy and façade democracy (as GDR), the unifi cation of Germany, the necessity of transformation and restructuring with strong support of external funding, finally moving the capital city of Germany to Berlin. However of crucial importance was a conscious, pragmatic and consistently implemented policy of the regional authorities based on the idea of territorial and sectoral concentration (instead of the idea Gieβkanneprinzip).

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Anna Dąbrowska
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Abstract

Fast development of computation techniques for electrolyte activities contributed recently to introduction of a few substantial programmes for thermodynamic computing of multiphase systems. The presented study comprises useful information for practical computing using selected thermodynamic models of aqueous electrolyte solutions. Those models enable quantitative description of both phase and ionic equilibria and provide values of activity coefficients. The carried out analysis of individual models involved a comparison of their practical effectiveness features along with problems encountered in evaluation of the coefficients. The authors conclude that for the Solvay soda system the exUNIQUAC model for an in-house code or the MSE model for a commercial one can be used.

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Authors and Affiliations

Zdzisław Jaworski
Małgorzata Czernuszewicz
Łukasz Gralla

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