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The impact of HVAC systems on the acoustic microclimate of clean rooms
Jelínek, Ondřej ; Mathauserová, Zuzana (referee) ; Papež,, Karel (referee) ; Rubina, Aleš (advisor)
The work description is to create a system of measures to prevent the spread and the consequent attenuation of sound in air handling systems serving the cleanrooms. The thesis presents a solution to noise attenuation in the investigated area, and in HVAC duct, which uses a commercially available material in the form of sound insulation hoses. In the systém solution is part of the work focuses on the optimal design of terminal elements to distribute air in a clean room. Processing methods utilize theoretical and experimental approach. The experiment comprises a unique analysis of the sound insulation properties of selected products under specific conditions. The data obtained are analyzed and incorporated into the framework of this work created program module for determining the attenuation and noise propagation in an enclosed space. Math and physical dependence are programmed into their own DLL by programming language DELPHI.
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Ventilation of the library
Martinčič, Jakub ; Jelínek, Ondřej (referee) ; Blasinski, Petr (advisor)
The bachelor thesis deals with the project of air-conditioning system in the library building with study room, classrooms, hall and book stores. Each system is designed to fulfill operational, functional and sanitary requirements of indoor microclimate. System No. 1 (1. S) and system No. 2 (1. NP) are designed to be able to cover heat losses in winter time and heat gain in summer time. System No. 3 which is for the entire 3. NP is designed for complete air conditioning (hot-air ventilation). This system is complemented by VRV cooling system. The theoretical part is focused on the problems of acoustics in ventilation.
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The influence of a high-fat diet on the parameters of body composition
Jelínek, Ondřej ; Coufalová, Klára (advisor) ; Petr, Miroslav (referee)
Title: The influence of a high-fat diet on the parameters of body composition Objective: Evaluation of the effects of a high-fat diet on weight, body composition and intervening variables in both diabetic and non-diabetic patients, comparing these effects with those of diets of lesser fat content, and an evaluation of these findings with latest dietary guidelines of WHO, FAO and Ministry of Health of the Czech Republic. Methods: The design of this thesis is a review of randomized controlled trials and randomized crossover trials. A total of 17 trials were included, regardless of their blinding and their energy or saturated fat restriction. No specification of inclusion criteria with regard to minimal sample size or minimal duration of the intervention was made. Results: The trials have shown that a high-fat diet produced on average greater weight loss in the short-term than a diet with lesser fat content, however, by 1 year the differences were not significant. No differences were observed between the effects of the diets on fat mass or fat free mass in any of the trials included. Trials comparing the effects of diets on appetite have shown that fat has a greater satiating effect than carbohydrate, but lesser satiating effect than protein. The findings didn't fully correspond with official...
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Molecular mechanism of DNA regulatory segment recognition by MADS box family transcription factors
Profantová, Barbora ; Štěpánek, Josef (advisor) ; Jelínek, Otakar (referee) ; Manfait, Michel (referee)
The thesis deals with physico-chemical properties of the MADS box, binding domain of transcription factors, which are important for the formation of complexes with the DNA regulatory segment bearing the CArG box. The study was performed also on model oligopeptides, selected segments of the MADS box and their analogues with a point mutation. A wide range of spectroscopic techniques was employed, namely absorption, circular dichroism, fluorescence and Raman spectroscopies. Advanced approaches including multivariate methods were used for data processing. The three tyrosines of the MADS box located in amino-acid vicinities of different charge and hydrophobicity, were used as intrinsic spectroscopic probes. The obtained characteristics of the MADS box and its segments structural arrangement, flexibility and acid-base equilibria are the main results of the work.
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Observed effects of tandem shock waves in cell suspension
Dibdiak, Lukáš ; Jelínek, Otakar (referee) ; Beneš, Jiří (advisor)
Master's thesis deals with the research of the interaction of two consecutive - tandem shock waves focused into the common focus. (...) This work also deals with a comparative assessment of the effects of single and tandem shock waves acting in vitro. The reason is that these effects may occur both in the so-called shock waves extracorporeal lithotripsy (ESWL), as well as in other therapeutic methods.
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Local and Regional Party Systems in the District of Strakonice (Comparative Study)
Jelínek, Ota ; Čmejrek, Jaroslav (advisor) ; Markéta, Markéta (referee)
The work searches for the main factors influencing local party systems in the District of Strakonice, it examines the rate of the political participation, the rate of the political plurality, the number of election parties and the ratio of the independents. Its secondary goal is exploring election change impacts from the year 2010. The political process was changed in 2010, the traditionally strongest parties were displaced by the new ones and the voters attitude to the political parties was changed too. The election change impacts influenced mainly the national politics, in the Parliament, where it changed the arrangement of the political powers. The work founded a similar change in the local level, it showed, that the main factor influencing the local party systems is the number of town inhabitants. According to the number of inhabitants it changes the local party systems and town reactions on the changes in the parliament politics.
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Airconditioning in healthcare facilities
Růžička, Věroslav ; Jelínek, Ondřej (referee) ; Rubina, Aleš (advisor)
This bachelor thesis deals with design of air conditioning equipment serving the spaces of hospital inpatient ward and its associated facilities. Equipments designed in the computational part have the task to transport adapted fresh air to hospital premises. The system is devided into two units. Primary mechanism operates bedrooms and their sanitary facilities. Secondary mechanism operates associated facilities. Both mechanisms are designed so that hot air can ventilate in winter. To cover the heat load in summer, fancoil units are designed. Device number one is also able to manage the treatment of humidity. The theoretical part of the thesis focuses on air filters and filtration of atmospheric air.
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