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Geneticky modifikovaná krmiva
Štefan, Petr
Bachelor thesis deals with genetically modified feeds, which are currently the future in animal nutrition. It deals with the history and development of biotechnology. It also deals with legislative issues in the field of GMO in the Czech Republic, the European Union and in the world. It discusses the importance of GM crops/feeds in animal nutrition. It maps the cultivated crop statistics and the countries most concerned with growing GM crops.
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Java Performance Testing For The Masses
Stefan, Petr ; Tůma, Petr (advisor) ; Hnětynka, Petr (referee)
Java is a major platform for performance sensitive applications. Unit testing of functionality has already become a common practice in software devel- opment; however, the amount of projects employing performance tests is substantially lower. A comprehensive study in combination with a short sur- vey among developers is made in order to examine the current situation in open-source projects written in Java. Results show that suitable tools for measurements exist, but they are hard to use or the outputs are difficult to understand. To improve the situation in favor of performance evaluation a set of user friendly tools for collecting, comparing and visualizing the data is designed, implemented, and verified on a sample Java project. 1
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Assessing Usability of Raspberry Pi for Distributed Computing
Stefan, Petr ; Kruliš, Martin (advisor) ; Jančík, Pavel (referee)
The main objective of the presented work is to assess performance of Raspberry Pi micro- computer and its applicability as a work node of a computational cluster. The thesis conta- ins implementation of set of tests that evaluate the CPU performance as well as the throu- ghput of operation memory, persistent storage (SD card), and Ethernet network adapter. The results of comparison of empirical results obtained from Raspberry Pi and representa- tives of regular computers provided basis for recommendation, whether a construction of Raspberry Pi cluster is feasible. Furthermore, the results allowed us to make an estimation of economical and performance aspects of the solution. 1
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Analysis of customer satisfaction in Aquapark Příbram
Štefan, Petr ; Flemr, Libor (advisor) ; Kovář, Karel (referee)
Title: Analysis of customer satisfaction in Aquapark Příbram Objectives: The aim of this thesis is to conduct content and statistical analysis of data collected directly from customers of Aquapark Příbram. Customers of the public were a research sample with the highest priority. As secondary sample were established trainers of the sports clubs using the Aquapark Příbram. Methods: Data collected from the primary sample were gained via CERM-CSQ based questionnaire Data collected from the secondary sample were obtained by structured interview. This structure was based on our questionnaire. Factor and correlation analysis were used to process quantitative data. Results: The content analysis showed the biggest drawbacks of service quality. According to the statistical analysis some service quality attributes have bigger influence on customer satisfaction than the others. Above mentioned drawbacks belong to those more influential attributes. On the basis of the results obtained certain suggestions were made to increase customer satisfaction. Key words: customer satisfaction, service quality, Aquapark Příbram, model CSQ, factor analysis
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Radio Maryja and Polish National Catholicism as an Important Factor on the Polish Political Scene
Štefan, Petr ; Mlejnek, Josef (advisor) ; Kubát, Michal (referee)
Diploma thesis "Radio Maryja and Polish national catholicism as an important factor on the Polish political scene" researches catholic Radio Maryja and its influence on the Polish political scene. The introduction is based on the theory, which describes the influence of media and how is this influence used in political marketing. The paper tries to describe Polish medial scene and define the role of the catholic radio in it. Thesis describes publishing house of the father director Tadeusz Rydzyk and analyses the listeners and also the broadcasting of the radio. Based on study of the Polish cleavages and the electorate of political parties the thesis characterizes the parties, which opinions are the closest to the radio. The pivotal part of the thesis researches concrete political influence of the radio mainly during the presidential - 4 - elections in 1995 and 2005 and during the elections to Sejm in 1997, 2001, 2005 and 2007. It tries to show the concrete examples of the media manipulation and analyse the influence of the station. Except the relation to the politics it also describes the relation to the church. The thesis tries in conclusion to position the phenomeon of the radio to the broader theme of Polish national catholicism as an important factor of the transformation of Polish society after the...
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Fractal Viewer
Štefan, Petr ; Obdržálek, David (referee) ; Patočka, Mikuláš (advisor)
Fractal explorer is a program which enables user to explore Mandelbrot set and several other types of fractals and offers real time zooming in and out of the selected area. Program automaticaly increases the number of iterations it uses for computations to prevent detail loss with higher magnifications. Fractal explorer has several color schemes to color the calculated image. The colored image can be altered by several simple graphical filters. Resulting image can be saved to hard drive in PNG, BMP or JPG formats. Another function of the program is an ability to render current image to hard drive in specified resolution, the rendered image is antialiased to increase the visual quality.
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Prestressed bridge No. 207 over the expressway R2 in Slovakia
Ježek, Rostislav ; Štefan, Petr (referee) ; Koláček, Jan (advisor)
In the diploma thesis “ Prestressed bridge No. 207 over the expressway R2 in Slovakia” three variants of solution of bridging are developed. The aim of diploma thesis is evaluation of the proposed options and implementation of detailed design of the supporting structure selected variant. The thesis includes consideration of state of construction. Option chamber bridge with inclined walls on three fields were chosen for detailed static analysis. This post-tensioned structure is assessed in accordance with applicable European standards. The analysis of the construction is performed by Scia Engineer 2013 software system. In addition, the ceiling structure is assessed for pushing through. Drawing and visualization is a part of diploma thesis.
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Arch bridge across the expressway
Vaněk, Štěpán ; Štefan, Petr (referee) ; Nečas, Radim (advisor)
The objective of this theses is arch bridge design over the expressway. Bridge is consist of bridge deck, which has three pillars and composite arc. The Bridge deck is on the edges fixed into the foundations and in the middle adherent on overhead cables. The bridge is carried by combination of strands and aerial cables mounted on reinforced concrete arch. Overhead cables are slant due to the transverse direction of the bridge in the longitudinal direction is in the direction of the arc. Model of the construction was made in a calculated program SCIA ENGINEER 2011. The designe is in accordance with applicable standards.
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