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Application of image analysis in research into geocomposite materials
Ščučka, Jiří
The paper concerns possibilities of the image analysis application to the qualitative and quantitative evaluation of structure and texture of geocomposite materials - the noncohesive rocks injected with polyurethane resins. Understanding the relation between the structure and texture and physical mechanical properties of the materials represents one of the ways, how to determine indirectly probable properties and behaviour of geocomposites formed in practical applications.
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Preparation and properties of nanocomposites based on Zr-Fe
Roupcová, Pavla ; Schneeweiss, Oldřich ; Bezdička, Petr
The spark erosion of the pure Zr and Fe electrodes in hydrogen yielded nanocrystalline powder consisting of the mixture of Zr-rich (Zr3FeH7, ZrO2, and Zr(Fe)) and Fe-rich phases with the mean chemical composition Zr-3.2wt.%Fe. Heat treatment in hydrogen atmosphere at 973K induced phase decomposition and transitions with the final composition of bcc Fe, Zr3Fe, ZrH2 and dominating ZrO2 phases. The result indicates that formation of Fe-rich phase (bcc Fe) embedded in ZrO2 could be possible using an appropriate heat treatment of the as-prepared powder.
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Concatenation
Tondl, Ladislav
The paper aims to study the concept explanation in various spheres of rational human activity, including communication. In explaining concatenation processes with respect to their goal orientation we have to take into account various aspects of the following concepts: compatibility of entities, the domain and limits of their substitution, the structure and rules governing the entities .
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The architecture of organization of the company
Dančišínová, Mária ; Dědina, Jiří (advisor) ; Cejthamr, Václav (referee)
The bachelor thesis in the theoretical part deals with describing the architecture of organization. The part of organization which becomes more and more dynamic. The thesis defines individual elements of architecture and describes new trends. The aim of the thesis is to describe changes of architecture of this organization. The practical part describes history of the joint stock company -- Stavby silnic a železnic. It also characterized the company before and after these changes.
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The devolopment of the structure of foreign exchange market in the Czech Republic
Kučera, Lukáš ; Kuncl, Martin (advisor)
Foreign exchange market in the Czech Republic has not existed for a long time in the form as how we know it today. It started to develop after the fall of socialism and it had to catch up everything that the world foreign exchange market already have gone through. It was necessary to pass through several periods which were for developement very specific. The structure of the market was also changing, mainly the instruments. In the beginning there was interest only for spot operations, the more the market was developing it focused more on the term operations-derivatives. Today we meet transactions dealt mainly for speculation, hedging or just because of lack of likvidity of another currency. These transactions can be for example outright forward, FX swap, options or futures.
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