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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Measuring concentration of air ions
 Pončík, Vlastimil ; Polsterová, Helena (referee) ; Buřival, Zdeněk (advisor)
Electro-ionic microclimate is a component of atmosphere which is created negative and positive ionts with different mobility and size. Man is affected of these ionts. Amount of positive and negative ionts in air influences affirmative physical and mental condition of man. Is known therapeutic effect of negative ions with high mobility, there is high concentration of them in some speleotherapeutic caves. Criteria for critizing of eletro-ionic microclimate are not determined in our legislation. This bachelor’s thesis show the posibility of the measurement of the concentration of ions.
Detailed record
Evaluation of photovoltaic cells with optical concentrators
 Pončík, Vlastimil ; Šandera, Josef (referee) ; doc. Ing. Vladimír Kolařík, Ph.D., ÚPT AVČR Brno (advisor)
This work deals about the photovoltaic systems, especially with concentration of the sunlight in use of concentrators that are placed direct on the panel. Concentrated photovoltaics systems employ sunlight concentrated onto photovoltaic surfaces for the purpose of more efficient electrical power production. A photovoltaic cell with concentrator includes difractive optical elements that concentrate light on a photovoltaic chip Flat polycarbonate optical element has difractive gratings on its surface.
Detailed record
Measuring concentration of air ions
 Pončík, Vlastimil ; Polsterová, Helena (referee) ; Buřival, Zdeněk (advisor)
Electro-ionic microclimate is a component of atmosphere which is created negative and positive ionts with different mobility and size. Man is affected of these ionts. Amount of positive and negative ionts in air influences affirmative physical and mental condition of man. Is known therapeutic effect of negative ions with high mobility, there is high concentration of them in some speleotherapeutic caves. Criteria for critizing of eletro-ionic microclimate are not determined in our legislation. This bachelor’s thesis show the posibility of the measurement of the concentration of ions.
Detailed record
Evaluation of photovoltaic cells with optical concentrators
 Pončík, Vlastimil ; Šandera, Josef (referee) ; doc. Ing. Vladimír Kolařík, Ph.D., ÚPT AVČR Brno (advisor)
This work deals about the photovoltaic systems, especially with concentration of the sunlight in use of concentrators that are placed direct on the panel. Concentrated photovoltaics systems employ sunlight concentrated onto photovoltaic surfaces for the purpose of more efficient electrical power production. A photovoltaic cell with concentrator includes difractive optical elements that concentrate light on a photovoltaic chip Flat polycarbonate optical element has difractive gratings on its surface.
Detailed record

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