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The construction of a string instrument with sliding frets
Kotouček, Michal ; Buzzi, MgA Mario (referee) ; Jirásek, Ondřej (advisor)
This thesis describes the design and construction of a string instrument with movable frets and the creation of a computer program for calculating fret positions for various tuning systems. The theoretical part of the thesis deals with different types of tuning systems and describes the method of deriving several types of tunings, from common to exotic and experimental ones. The practical part describes the procedure of manufacture of the instrument, the principle of calculating fret positions and testing the tuning accuracy of the instrument.
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Mineralogical composition of silica brick.
Pospíšil, Dušan ; Kotouček, Miroslav (referee) ; Nevřivová, Lenka (advisor)
This Bachelor´s thesis deals with the mineralogical composition of dense silica bricks. Silica bricks is a siliceous refraktory material that contains up to 99% of silicon dioxide, which is used mainly for the construktion of coke oven batteries, glass furnaces and heaters of blast-furnace wind. The main emphasis in case of silica bricks is put on the content of crystalline phases, which are the residual untransform quartz, tridymite, cristobalit and glass phase. These stages affect the resulting properties of dinas substantially. The main goal of this Bachelor´s thesis is to evaluate the impact of firing on the mineralogical composition of silica bricks and to its dilation at elevated temperatures.
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The Effect of Thermal Exposure of the Porosity and Mineralogy of Dense Silica Bricks.
Janek, Ondřej ; Kotouček, Miroslav (referee) ; Nevřivová, Lenka (advisor)
Silica bricks is a refractory building material which contains at least 93 % of silicon dioxide in polymorphic forms, mostly -tridymite, -cristobalite and unreacted -quartz. In glass industry is used for building crowns of glass tanks and in coke industry is used for building coke oven batteries. The advantage is the high refractoriness under load, high resistance to acidic melts. The disadvantage is the low resistance to changes in temperature below 600 °C. The thesis deals with the influence of repeated firing on the silica bricks and to its porous structure and mineralogical composition.
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The construction of a string instrument with sliding frets
Kotouček, Michal ; Buzzi, MgA Mario (referee) ; Jirásek, Ondřej (advisor)
This thesis describes the design and construction of a string instrument with movable frets and the creation of a computer program for calculating fret positions for various tuning systems. The theoretical part of the thesis deals with different types of tuning systems and describes the method of deriving several types of tunings, from common to exotic and experimental ones. The practical part describes the procedure of manufacture of the instrument, the principle of calculating fret positions and testing the tuning accuracy of the instrument.
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|
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Mineralogical composition of silica brick.
Pospíšil, Dušan ; Kotouček, Miroslav (referee) ; Nevřivová, Lenka (advisor)
This Bachelor´s thesis deals with the mineralogical composition of dense silica bricks. Silica bricks is a siliceous refraktory material that contains up to 99% of silicon dioxide, which is used mainly for the construktion of coke oven batteries, glass furnaces and heaters of blast-furnace wind. The main emphasis in case of silica bricks is put on the content of crystalline phases, which are the residual untransform quartz, tridymite, cristobalit and glass phase. These stages affect the resulting properties of dinas substantially. The main goal of this Bachelor´s thesis is to evaluate the impact of firing on the mineralogical composition of silica bricks and to its dilation at elevated temperatures.
|
|
|
The Effect of Thermal Exposure of the Porosity and Mineralogy of Dense Silica Bricks.
Janek, Ondřej ; Kotouček, Miroslav (referee) ; Nevřivová, Lenka (advisor)
Silica bricks is a refractory building material which contains at least 93 % of silicon dioxide in polymorphic forms, mostly -tridymite, -cristobalite and unreacted -quartz. In glass industry is used for building crowns of glass tanks and in coke industry is used for building coke oven batteries. The advantage is the high refractoriness under load, high resistance to acidic melts. The disadvantage is the low resistance to changes in temperature below 600 °C. The thesis deals with the influence of repeated firing on the silica bricks and to its porous structure and mineralogical composition.
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