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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Dye Sensitised Solar Cells
 Schovancová, Petra ; Weiter, Martin (referee) ; Dzik, Petr (advisor)
Recent experimental effort is focused to a very promising photovoltaics technology – dye sensitized solar cell. This technology is based on the generation of electrons in a sensibilization dye and their separation on a semiconducting material (TiO2). Bachelor thesis deals with the summary of present knowledge about this technology, the preparation of solar cells from generaly and commercially available components and basic study of their properties.
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Dye Sensitised Solar Cells
 Schovancová, Petra ; Weiter, Martin (referee) ; Dzik, Petr (advisor)
Recent experimental effort is focused to a very promising photovoltaics technology – dye sensitized solar cell. This technology is based on the generation of electrons in a sensibilization dye and their separation on a semiconducting material (TiO2). Bachelor thesis deals with the summary of present knowledge about this technology, the preparation of solar cells from generaly and commercially available components and basic study of their properties.
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Allergic diseases in relation to lifestyle risk factors by children in younger school age in the Region of Karlovy Vary
 RYBOVÁ, Eliška
As the subject of my Bachelor{\crq}s work I choose "Allergic diseases in relation to risk factors of the life style of children of younger school age in the region Karlovy Vary" because I think that allergies represent a topical problem which due to its nature affects not only children but also our whole society. The aim of the work is to find out how the selected life style factors share in the occurrence of allergies of children of younger school age in the region Karlovy Vary. The work comprises a theoretical and a practical part. The theoretical part comprises comprehensive theoretical knowledge from the field of allergology that should outline the conditions for the development of allergies, the occurrence of allergies in course of the life, the most common allergic diseases and their subsequent diagnosis and treatment. The practical part is devoted to the realised research which was carried out from November 2009 to January 2010 in regional towns and municipalities of the region Karlovy Vary. The research was performed using the form of the quantitative research, the inquiry method and as the data collection technique was used the anonymous questionnaire. The research file included children of younger school age from 4th and 5l classes of primary schools. As the results of the research show, the children who live in big cities have almost comparable occurrence of allergies as the children from small villages. The results also show that the children who are the most exposed to a smoky environment at home have also the biggest occurrence of allergies in contrast to the children who are not exposed to a tobacco environment at all and for whom predominate an absence of allergies. The investigation into whether the lack of microbes influences the occurrence of children allergies demonstrated in case of using disinfecting agents that shorter periods of their usage have an influence on the occurrence of allergies and to the contrary. The research also shows that elements which share in the character of housing have in case of allergies quite individual displays and therefore can not be denominated as significant factors in general. The results of this research can bring useful information to children allergists as well as wide public when the acquired knowledge can increase the interest in these problems and therefore improve preventive and repressive measures in this field.
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