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The issue of organic agriculture and its application on consumer food market
KUBÍK, Jiří
This bachelor thesis describes a diferent methods of food production, summarizes the development of the organic agriculture and some of its trends and directions. It compares these options due due to their effects on human health. The practical part consists of the questionnaire, its analysis and assessment. The function of the questionnaire was the survey of vegetarians' consumer behavior and their attitude towards the products of the organic agriculture.
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Metallurgy and properties of heavy steel castings
Kubík, Jiří ; Čech, Jan (referee) ; Záděra, Antonín (advisor)
The work deals with the determination of the chemical composition and morphology of inclusions in experimental casting foundry in operating conditions as ŽĎAS in compliance with the optimum content appropriate deoxidation depending on the conditions of solidification. The introductory part is devoted to theoretical analysis of possible defects in castings. We also describe the experimental casting, sampling sites and their markings. Subsequently evaluated morphology microanalysis inclusions and the effect of inclusions on the mechanical properties and the formation of defects in the casting. The conclusion summarizes the results and proposal for further direction in the production of heavy steel castings.
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Energy performance of membrane processes
Maršík, Miroslav ; Kubík, Jiří (referee) ; Hluštík, Petr (advisor)
The thesis deals with energy demands of wastewater treatment plants. The content is focused on inclusion of membrane modules to the wastewater treatment process. Two possible options of wastewater treatment are compared; first, convetional mechanical-biological wastewater treatment plants with activation and installable tank; on the other hand, plants with activation with membrane module. In the practical part, three possible options of intensification are suggested. In the first part, new mechanisms for the plant are projected, in the second part, the energy demands of this tecnological equipment are treated, and in the last point, the item bugget is processed. The comparison of investment and operating costs is made in the conclusion of the thesis.
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Proposal for Improvement of the work Motivation
Kubík, Jiří ; Zidan, Mohamed (referee) ; Pokorný, Jiří (advisor)
One of the director activities is motivation of workers. The motivation is internal process, that express desire and willingness of human to take a certain pains leading to reach an important goal or result. This work occupies with the motivation and efficiency of the company . To obtain the information about the motivation of work behaviour is used a methody of questonnaire exploration. On basis of result this analysis is identified the problematic areas and suggested posibilities how to improve the motivation and efficiency system of this company.
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Optimization of stormwater tank operation
Čížová, Veronika ; Kubík, Jiří (referee) ; Hlavínek, Petr (advisor)
This work deals with stormwater tanks on sewer system. Grounds for the stormwater tanks are mentioned there. Also types, functions, possible locations and recommendations for selection from the types are mentioned. Ways of sizing the tanks are described. The tank equipment, construction and cleaning of the tanks are noted. Text contains description of a case study. The case study deals with testing innovative technologies for local treatment of combined sewage in stormwater tanks. Part of this work is to explore the state of specific sewer system. The purpose of this is to optimize the stormwater tanks operation.
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The protection of spam
Kubík, Jiří ; Kastl, Jan (advisor) ; Šebek, Michal (referee)
The bachelor thesis deals with the spread of spam, how to defend against it. The Bachelor thesis conteins filtering methods are used and a description of the spread of spam. The last chapter focuses on how trains the SpamBayes and description of the method knows as DKIM.
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