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Ideals of Early Church in the Course of History (until 13th Century)
Török, Dan ; Suchánek, Drahomír (advisor) ; Doležalová, Eva (referee) ; Hlaváček, Petr (referee)
The thesis is dealing with the ideals of the primitive Church throughout the history of the Church up to the 13th century. It seeks to identify and reconstruct the ideals of the primitive Church, their development in the following centuries, and the partial forms of relevant ideals that became more generally established. Beyond the general ideal of 'following Christ', it identifies three specific forms of primitive Church ideals: the missionary ideal, the martyr ideal and the ideal of the Church servant. It also attempts to explain the causes and patterns of the development of these ideals. It confirms the understanding of the history of ancient and medieval Christianity as a process in which developments are determined not only by the current spiritual, political, social or economic context, but also by the constant engagement with earlier concepts. In doing so, it seeks to determine to what extent and in what ways later ideals were shaped by the model of the early church and whether the early church period can indeed be considered formative for later Christian ideals. It assesses how faithful the proclaimed returns to this model were, and how the persons shaping later forms of these ideals 'dealt' with this model.
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The role of local actors in socio-economic development of west Bohemia border
Svoboda, Jan ; Komárek, Marek (advisor) ; Hlaváček, Petr (referee)
The following bachelor thesis aims to spread not only current theoretical, but especially empirical, knowledge about the role of local development actors in a different socio-economic state of municipalities located on the border peripheries of Czechia. The initial concept of assessment of all findings is the so-called "institutional thickness". The primary data analysed in this paper were obtained from 24 semi-structured interviews with mayors of local municipal councils. The main goal of this research is to understand and clarify, based on the analysis of semi- structured interviews, the density of social interactions in local development of municipalities. Since the interviews cover the entire Cheb county area, it was possible not only to evaluate partial social interactions, but also to compare those interactions within the whole area of the county (e.g. between smaller administrative units and others spatial entities). Conclusions of this thesis were also compared with other similar work done on the inner periphery of eastern Czechia between 2016 and 2017. The most important results are a confirmation of the key role of mayors in a local development, the active approach of local governance to participating in microregional unions is also very significant. The internal differentiation of...
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X-Ray CT inspection of subsurface areas of concretes exposed to fast flowing liquids
Sitek, Libor ; Hlaváček, Petr ; Souček, Kamil ; Bodnárová, L. ; Foldyna, Josef ; Zajícová, Vendula ; Berčáková, Andrea ; Foldyna, Vladimír
Concrete structures affected for a long time by flowing liquids are exposed to gradual erosion in surface layers caused by a combination of several degradation processes: abrasion, cavitation and chemical or bacterial impacts. Due to the complex phenomena and difficult-to-define initial and boundary conditions, the whole process cannot be easily simulated using the conventional computing tools. Laboratory experimental research is thus the most appropriate approach for the investigation of a suitable composition of concrete resistant to the flowing liquids. However, the methods used are often very time consuming and last even several years. High-speed water flows can be elegantly used for the acceleration of the mechanical simulation of a real situation. Several experiments on the effects of the high-speed water flows on concrete surfaces have been carried out. Using the X-Ray CT methods, subsurface structures of concretes exposed to the accelerated mechanical simulation of the erosion wear caused by fast flowing liquids were investigated and presented in the article. It has been shown that the simulation does not cause initiation of new fractures or cracks in the original concrete structure. The pure water flow mainly removes the hardened cement paste and reveals the aggregate grains. The water flow with abrasive particles disintegrates in greater depths and washes out entire aggregate grains, eventually amputates them and finally smoothens entire surface.
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Erosion capability of ultra-high-speed continuous waterjet and pulsating waterjet: the comparison
Sitek, Libor ; Hlaváček, Petr ; Klichová, Dagmar ; Trieb, F. ; Pude, F.
Advantages and possibilities of continuous ultra-high-speed waterjets (with\npressures of 600 MPa and more) when cutting metals are well known to\nthe professional public both from scientific studies and from practice. In addition\nto efficiency increased as water pressure increases and reduced water\nconsumption, abrasive consumption can also be reduced in the case of abrasive\nwaterjet. Ultra-high-speed waterjet technology allows not only to cut metal sheets\nwith pure water, but also allows cutting of harder materials such as ceramics.\nDespite the initial suspicion and technical problems associated with the reliability\nand sealing of some hyperpressure elements, high-pressure devices generating\nwater pressures around 600 MPa are now commercially available. However, no\ncomparison has been made so far concerning the efficiency of these jets with\nacoustically modulated high-speed pulsating waterjets using relatively low\npressures and higher water flow rates when eroding metallic materials.\nThe article compares cuts made by pure ultra-high-speed waterjet generated at\nhyperpressures (from 500 to 800 MPa) with erosive capabilities of pulsating\nwaterjets generated on the contrary at water pressures in the order of tens of MPa\non three metallic materials (stainless steel, mild steel and copper) using the same\njet hydraulic power.
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Properties and characteristics of recycled garnet abrasives for AWJ
Martinec, Petr ; Hlaváček, Petr ; Ruppenthalová, Lucie ; Sitek, Libor
The use of recycled garnet abrasive from sludge after cutting materials is a current\nproblem. The behavior of individual garnet abrasives in the AWJ process depends\non the geological origin of the garnets, which also affects all the material\ncharacteristics of the garnet recyclate. The parameters of the BARTON HPX80 and\nGMA 80 abrasive inputs and their recycled products were compared: mineralogical\ntype, apparent density, granularity, grain shape and mineralogical purity,\nmicrohardness data and the degree of damage to the garnet grains. All individual\nparameters of abrasives and their recyclates are reflected in the index of cutting\nefficiency of abrasive. The effect of abrasive material properties on cuttability of\nabrasives is synergistic. The new parameters in the evaluation of abrasives are\nmicro-hardness (brittleness criterion), specific surface and pore size distribution\n(internal grain damage criterion).
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Aspects of housing in high-rise buildings in China
Toman, Radek ; Kováč, Bohumil (referee) ; Topolčanská, Maria (referee) ; Hlaváček, Petr (referee) ; Havliš, Karel (advisor)
Modern cities are under the pressure of big social and building development. The thesis is based on aspects of housing and living of society in 21th century cities. Now China has been an extreme example of rapid urbanization. It gives us an opportunity to gain knowledge about urban development. Based on the analysis of selected examples of urban housing the thesis shows the options for the future alternatives of living. The work was process during my academic internship at Southeast University in Nanjing, China.
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The Impact of FDI on Host Economy - A Case Study of TRCZ
Vazač, Adam ; Blažek, Jiří (advisor) ; Hlaváček, Petr (referee)
This study deals with foreign direct investments and their impacts on regional labour market and on domestic firms through spillover effects. The main goal was to find out if the foreign presence has positive influences on the host regional economy. This study has two important parts - quantitative and qualitative researches. The result of quantitative research based on multiple regression comes with no relevant empirical evidence of spillover effects. The qualitative research as a case study of TRCZ allows a trying to solve possible FDI-impacts on regional economy of Lovosice region. Keywords: foreign direct investment, multinational enterprises, impact of FDI, host economy, spillover effects
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Actors and Mechanisms of Regional Development on Example of the Ústí Region
Hlaváček, Petr ; Blažek, Jiří (advisor) ; Novotný, Josef (referee) ; Maryáš, Jaroslav (referee)
1 Charles University in Prague Faculty of Science Department of Social Geography and Regional Development ACTORS AND MECHANISMS OF REGIONAL DEVELOPMENT ON EXAMPLE OF THE ÚSTÍ REGION Dissertation thesis summary Petr Hlaváček Supervisor: Doc. RNDr. Jiří Blažek, PhD. Ústí nad Labem 2010 2 CONTENT Introduction and theoretical framework Hypotheses and structure of the dissertation Conclusion Selected literature 3 Introduction and theoretical framework Current research of regional development sees themes focused on the institutional context of regional development in the foreground [Rutten, Boekema 2007], regional mechanisms are evaluated, key categories and groups of actos for the long-term improvement of the competitiveness of the region are sought [Breschi, Malerba 2007]. The theory is that regional development operates with various actors concepts. Traditional neo-classic approaches stemming from the individualized concept of a actor in the market environment are often completed with institutional approaches that highlight the understanding of the actor as an entity interwoven by many specific market mechanisms and social structures - production chains, subcontractor relationships and further formal and informal boundaries that define market potential. From the institutional economy point of view, the actor...
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