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Experimental research of fluids against icing of overhead wires
Málek, Jan ; Polach, Pavel (referee) ; Galas, Radovan (advisor)
In this thesis, commercially available anti-icing fluids were tested. A methodology of assessment was designed for the effect of anti-icing fluids on the rapidity of ice growth and its development over time. These tests were conducted on a device constructed for the purpose of the thesis. The solutions were tested for their effect on the ice adhesion to a contact wire. The effect of the solutions on the tribological behaviour of the collector strip and contact wire was described. The experiments were supplemented by mensuration of the size of the contact angle of the solutions on the copper surface. However, these fluids anti-icing effect is relatively short-term. On the contrary, the thesis shows that even a small amount of anti-icing solution on the surface of the contact wire can help to significantly lower the ice adhesion.
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The Study of Using Process Management in a Business Organization
Fiala, Adam ; Málek, Jan (referee) ; Jurová, Marie (advisor)
The bachelor’s thesis is dedicated to process management in the Horacke autodruzstvo, authorized vendor of the Skoda cars and operator of many other services. The thesis analyzes current status in the business and all processes relating to the sales of new cars and introduces strong and weak points of business. The concept of solving is trying to find a suitable optimization of chosen services and reduce costs. It also defines requirements of realization and benefits.
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Off-board systems for top-of-rail lubrication
Málek, Jan ; Kvarda, Daniel (referee) ; Galas, Radovan (advisor)
This bachelor’s thesis is focused on rail off-board lubrication system. The main part of this thesis is explaining of function and design few certain lubrication systems. In this thesis are explained aspects of wheel-rail contact, such as types and parts of rail, adhesion, slip, creep–traction diagram. Another part of this thesis is description of few certain lubrication system for top of rail and gauge face application. In this thesis are explained product of major companies of friction management industries such as SKF-Lincoln, Whitmore, Loram. Additional part of this thesis speaks about usage and development of this devices in Czech Republic. Output of this thesis is conclusion about advantages and disadvantages these certain devices.
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Judicial review of expropriation decisions
Málek, Jan ; Kotounová, Jana (advisor) ; Sharp, Vladimír (referee)
Judicial review of expropriation decisions The thesis looks into the issue of judicial review of decisions passed by administrative authorities, namely the expropriation decision. The judicial review process for these decisions shows a highly unusual set-up as it falls under the jurisdiction of both administrative and civil courts. The purpose of the thesis is to highlight both the shortcomings of this concept of judicial review and the specific issues related to it. The thesis also aims to propose such a set-up of the judicial review process for expropriation decisions that eliminates these shortcomings as much as possible and which will be coherent with the current concept of review of decisions of administrative authorities as such. In addition to the introduction and conclusion, the thesis consists of four parts. The first chapter deals with the very institute of expropriation decision as one of the decisions issued under expropriation proceedings. Attention is paid in particular to the form of the operative part of the decision. The decision contains two groups of operative parts, namely on expropriation and on compensation for expropriation. The decision coming under the first group can be challenged by filing an action against the decision of the administrative authority pursuant to Section...
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Legal regulation of insurance intermediaries activities
Málek, Jan ; Vybíral, Roman (advisor) ; Karfíková, Marie (referee)
of the thesis In this thesis I deal with a comprehensive view of the legal regulation of the activity of insurance intermediaries, including a look into the history, analysis of the current national and European legislation and the expected development of national regulations. Work has been divided into four chapters. The first chapter is dedicated to the insurance industry as a specific economic sector. Here I define the concept of insurance, dealing with the history of the industry and briefly mention the existing legal regulations of insurance in the Czech Republic. At the end of the first chapter I analyze the various distribution networks in the insurance industry with reference to the inclusion of insurance intermediaries as the most important distribution channel. The second chapter is devoted to detailing the significance of insurance intermediaries and the nature of their activities. Similar to the first chapter, here is also a part briefly focused on a historical development of insurance intermediaries activities. A substantial part of this chapter is devoted to current legislation, of which the most important institutions are analyzed in separate sections. Gradually deal with the Insurance Intermediaries Act as a whole, individual categories of insurance intermediaries, the conditions of...
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The Activity of European Peoples Party in The European Parliament. The Challanges and The Perspectives
Málek, Jan ; Rovná, Lenka (advisor) ; Škrábalová, Lenka (referee)
Text of the thesis focuses on the activity of the Group of the European People's Party in the European Parliament. It focuses on this issue from three different perspectives. The first perspective presents a theoretical approach on the concept of europarty as transnational political actor that has developed on the basis of the development of the European integration and the development of the European institutions. The second perspective focuses on the work of the European People's Party, as a classic example transnational European party structure. It refers to its historical development and formation in the context of strengthening the position of the European Parliament. It also encompasses the Group of the European People's Party and its influence in the European Parliament in historical perspective. At the same time reveals the inner structure, program policies and operation mechanism of this parliamentary faction. The third perspective focuses on the analysis of the cohesion of the Group of the European People's Party in the seventh term of the European Parliament. The group cohesion is viewed as one of the main characters determining the strength and importance of the parliamentary factions. The analysis is based on the theoretical assumptions of British political scientist Simon Hix. In...
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What Drives the Aggregate Credit Risk: The Case of the Czech Republic
Málek, Jan ; Seidler, Jakub (advisor) ; Doležel, Pavel (referee)
There has been a long discussion about macroeconomic variables influencing the level of aggregate credit risk in the economy. While literature provides both empirical evidence and theoretical explana- tion of the influence of the business cycle on credit risk, the effect of other macroeconomic variables has not been explored sufficiently. In addition, recent literature suggests the existence of a latent risk factor behind aggregate credit risk, which is regularly interpreted as the latent default cycle. This thesis provides in its first part a discussion of potential aggregate credit risk drivers, which have been previously suggested in literature. We verify using a linear regression model whether the effect of these macroeconomic variables is also apparent in the Czech Republic. Results seem to be stable for both different model specifications and different clients segments and are in line with previous studies. The second part of this thesis explicitly models the latent factor that is assumed behind aggregate credit risk by adding an unobserved component to the already existing model constructed earlier in this thesis. The unobserved component can be estimated by applying Kalman filter. We subsequently discuss the sources of the latent component and whether it can be interpreted as the default cycle. The...
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Experimental research of fluids against icing of overhead wires
Málek, Jan ; Polach, Pavel (referee) ; Galas, Radovan (advisor)
In this thesis, commercially available anti-icing fluids were tested. A methodology of assessment was designed for the effect of anti-icing fluids on the rapidity of ice growth and its development over time. These tests were conducted on a device constructed for the purpose of the thesis. The solutions were tested for their effect on the ice adhesion to a contact wire. The effect of the solutions on the tribological behaviour of the collector strip and contact wire was described. The experiments were supplemented by mensuration of the size of the contact angle of the solutions on the copper surface. However, these fluids anti-icing effect is relatively short-term. On the contrary, the thesis shows that even a small amount of anti-icing solution on the surface of the contact wire can help to significantly lower the ice adhesion.
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Off-board systems for top-of-rail lubrication
Málek, Jan ; Kvarda, Daniel (referee) ; Galas, Radovan (advisor)
This bachelor’s thesis is focused on rail off-board lubrication system. The main part of this thesis is explaining of function and design few certain lubrication systems. In this thesis are explained aspects of wheel-rail contact, such as types and parts of rail, adhesion, slip, creep–traction diagram. Another part of this thesis is description of few certain lubrication system for top of rail and gauge face application. In this thesis are explained product of major companies of friction management industries such as SKF-Lincoln, Whitmore, Loram. Additional part of this thesis speaks about usage and development of this devices in Czech Republic. Output of this thesis is conclusion about advantages and disadvantages these certain devices.
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