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Name
Digitalni Knihovna - Knihovna Akademie věd ČR
Type
Publication Repository
Items
2545 Publications
Compatibility
OpenAIRE Basic (DRIVER OA)
OAI-PMH
http://dlib.lib.cas.cz/cgi/oai2

 

  • Electro-Mechanical Impact System Excited by a Source of Limited Power

    Electromechanical system with one degree of freedom in mechanical oscillating part and with other degrees in rotation a electrical subsystems is investigated by means of numerical solution of derived equations in dimensionless form. The most important nonlinearities are impacts of the main body on the stiff but deformable stop. Other nonlinear effects are introduced into system by the force transformation from unbalance exciter with limited power into the oscillating subsystem and also by non...

    Srbští studenti na pražské konzervatoři v období 1918–1938

    Following the World War I and the formation of the Czechoslovak state in 1918, Prague, with its liberal, cosmopolitan atmosphere and cultural riches, opened its institutions to cultural and educational needs of newly created or reformed states. Dozens of students of music, chiefly from the Slavic countries, flocked to the Prague musical conservatory (founded 1811). About 120 of them came from Yugoslavia, out of which number approximately 40 were of Serbian origin or worked in Serbia for a ...

    Variation of friction factor for flow in porous media with converging boundaries

    An experimental investigations on the effect of convergence of stream lines on the Darcy and non-Darcy parameters for different radial lines for different ratios of the radii was studied in a convergent flow permeameter. The applicability of a resistance law relating friction factor and Reynolds number using the square root of intrinsic permeability as the characteristic length is examined for flow with converging boundaries. In this study, crushed rock of size 3.25 mm and 4.73 mm were used a...

    Soil water regime in head water regions - observation, assessment and modelling

    The present article demonstrates the impact of water content in the soil profile on the formation of rain-water outflow below the soil profile. The example of the soil water regime during the vegetation season is applied to show two alternative types of soil water movement: the diffusion type flow (DTF) in drier soils and the instability-driven flow (IDF) in soils with a higher soil moisture content. This responds to two phases of soil water regime alternation – the percolation phase (IDF is ...

    BOOK REVIEW: Holger Kolb – Henrik Egbert (eds.): Migrants and Markets. Perspectives from Economics and the Other Social Sciences

    Holger Kolb – Henrik Egbert (eds.): Migrants and Markets. Perspectives from Economics and the Other Social Sciences. Amsterdam 2008: Amsterdam University Press, 243 pp.
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