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DSpace at VSB Technical University of Ostrava
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1429 Publications
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  • Are manufacturing companies improving their sustainable value added?

    The intensity and variety of societal and economic activities is increasing in number and causing different kinds of harmful effects on ecosystems and all their components. The methods evaluating these mostly negative effects on the environment (i.e. methods valuing negative externalities) by valuing the capital of a specific companies are known as burden-based methods. The value-oriented method known as sustainable value added takes into account the value created by all the resou...

    Trade among BRICS countries: Changes towards closer cooperation?

    Recent developments in the world economy have led to a new concept of international relations where emerging markets, notably BRICS (Brazil, Russia, India, China and South Africa) economies, create a strong counterweight to the already existing world powers of the Triad (US, EU and Japan) in both economic and political areas. This results from the reallocation of global economic activities, global consumption to emerging and developing countries and hence import/export destination shifts. BRI...

    Wear of refractory materials for ceramic filters of different porosity in contact with hot metal

    This paper deals with an investigation of the development of refractory materials for the fabrication of ceramic filters for the filtration of steel. Ceramic filters are used for increasing the cleanliness of steel and they must meet several strict requirements, such as the ability to remove impurities, a resistance to sudden changes in temperature, a resistance to corrosion and erosion by metal. The use of filters must not lead to an excessive reduction of the steel’s temperature, a...

    Assessment of the variability of technical coefficients from input-output tables in the Czech Republic during 1995–2010

    The variability in technical coefficients calculated based on the input-output tables published by the Czech Statis-tical Office for the period 1995 to 2010 is examined in the present paper. The low variability of coefficients is a prerequisite for their applicability in macroeconomic forecasts and analysis. The paper progressively deals with the meaning of technical coefficients, the method of their calculation, and the characteristics of variability. It was found that the variability of coe...

    Model of synthesis of ZnS nanoparticles stabilized by cetyltrimethylammonium bromide

    A mathematical model of synthesis and stabilization of ZnS nanoparticles in aqueous solutions of cetyltrimethylammonium bromide (CTAB) is presented. ZnS nanoparticles precipitated by the reaction of sodium sulphide and zinc acetate are significantly influenced by CTAB both in a stage of nucleation and in a stage of growth and stabilization. The suggested model assumes a dominating influence of the nucleation stage on future properties of emerging ZnS nanoparticles. On the basis...
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