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The social responsibility of media on the example of Edward R. Murrow
Mráz, Jan ; Jirák, Jan (advisor) ; Cirkl, Petr (referee)
The master's thesis "The Social Responsibility of Media in the Example of Edward R.Murrow" describes the development of social responsibility of media in the American radio and television broadcasting in the 20's - 50's of the 19th century and it demonstrates that in the examples of a CBS's reporter and anchorman, Edward R. Murrow. The thesis inquires the historical context in which the responsibilities of broadcasters came about describing the key events, regulatory authorities and the inception of the socially responsible media concept and its development trends. Firstly, the text focuses on the development of radio broadcasting, new demand for some level of control, and on the gaining dominance of commercial broadcasting media on the broadcasting market of the late 30's. Furthermore, the thesis analyzes the origins of television broadcasting of the late 40's and its progress in the 50's. The instances of social responsibility are demonstrated in the examples of Murrow's London radio broadcasts during the WWII and his latter TV show 'See It Now' in the McCarthyism era of the early 50's. Moreover, the thesis scrutinizes some of Murrow's TV and radio shows and looks at his activities in CBS from the late 30's up to his retirement in the early 60's.
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Model study of leakage of hazardous chemicals with regard to the Integrated Rescue System and the preparedness of the population.
MRÁZ, Jan
This thesis deals with creating a model for cases of hazardous chemicals leakages, especially of agricultural fertilizers. The thesis is divided into two parts ? a theoretical one and a practical one. The theoretical part of the thesis introduces the reader to the concept of population protection and its history. It adds definitions of basic terminology and legislation related to the protection of the population. A look into history brings a selection of the most serious chemical disasters. The last chapters describe in general the principles of plant fertilization and provide a list of the most widely used agricultural fertilizers. The objective of the thesis is to compile a list of commonly used agricultural fertilizers and to create a model of a leakage of hazardous chemicals. The model will be created using a software tool called TerEx. The creation of the model was based on the study of emergency response plans and personal consultations. This thesis, along with photographs taken, can serve the Integrated Rescue System (IRS) as a model study of a given area with its mapping. The research is supplemented by a questionnaire examining the preparedness of the population and the IRS members. Evaluation of the questionnaire enabled to verify the validity of both the hypotheses and to draw recommendations for the protection of the population.
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Streaming and format converting
MRÁZ, Jan
The theoretical part of this project covers direct video presentation over internet in the form of streaming with special emphasis on video conversion. It explains all parameters that are characteristic for streaming technology and assesses techniques for comparing visual quality available to date. The practical part of this project focuses on empirical measurements of the quality of generated video files using group of subjects with simultaneous mathematical comparssion of difference between recoded video and the original.
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Hormonal induction of artificial stripping of the female tench (Tinca tinca)
MRÁZ, Jan
Hormonally induced artificial propagation of individually marked broodstock was performed identically at two sequential reproductive seasons. In both years, four separate groups of females were intraperitonealy injected by carp pituitary extrakt, Supergestran (containing GnRH analogue Lecirelin), Ovopel and Dagin (containing GnRH analogue and dopamine inhibitor) at 21 °C. In control group, no injection was carried out in broodstock. It observed the effect of treatment on the ovulation ratio, survival and growth of broodfisch, the ability of stripping in the next season and the effect on eggs.
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Nápravná opatření k výsledkům auditu ve firmě
Horálek, Jan ; Kořánová, Helena (advisor) ; Mráz, Jan (referee)
Principal objective of my thesis is to create Report about review of the usability, adequacy and effectiveness of the system of the management of quality and environment in compliance with ČSN EN ISO 9001:2001 and ČSN EN ISO 14001:2005 for the year 2007. The thesis is divided in two parts which contain both theory and Report which rose from the concrete company. The result of my thesis should help to the company to regain the certificate about accomplishment of the requirement of the standard ČSN EN ISO 9001:2001 and ČSN EN ISO 14001:2005.
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