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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Efficiency of hydrogen production by electrolysis
 Pelán, Ondřej ; Špiláček, Michal (referee) ; Poláčik, Ján (advisor)
This thesis summarizes the basic information abouth hydrogen, its production, storage and energy utilization. The emphasis is put on alkaline electrolysis, the factors affecting its effeciency and the results of applying pulsating direct current. The end of the thesis attempts to experimentally prove the possibilities of regulating the performance of the alkaline electrolyzer.
Detailed record
Construction of an opto-mechanical system for continuous adjusting of the LIBS-laser power
 Pořízka, Pavel ; Brillová, Kateřina (referee) ; Kaiser, Jozef (advisor)
The purpose of bachelor thesis is construction of opto-mechanical system for regulation of intensity of Nd:YAG laser used in LIBS aparature. Intensity of laser is regulated via rotating of second polarizer to the first one. Polarizer is rotated around axis of laser beam by stepper motor. Stepper motor is connected to driver unit and operated by computer. Necessary number of steps of stepper motor is accomplished by usage of cog wheels transmission.
Detailed record
Efficiency of hydrogen production by electrolysis
 Pelán, Ondřej ; Špiláček, Michal (referee) ; Poláčik, Ján (advisor)
This thesis summarizes the basic information abouth hydrogen, its production, storage and energy utilization. The emphasis is put on alkaline electrolysis, the factors affecting its effeciency and the results of applying pulsating direct current. The end of the thesis attempts to experimentally prove the possibilities of regulating the performance of the alkaline electrolyzer.
Detailed record
Construction of an opto-mechanical system for continuous adjusting of the LIBS-laser power
 Pořízka, Pavel ; Brillová, Kateřina (referee) ; Kaiser, Jozef (advisor)
The purpose of bachelor thesis is construction of opto-mechanical system for regulation of intensity of Nd:YAG laser used in LIBS aparature. Intensity of laser is regulated via rotating of second polarizer to the first one. Polarizer is rotated around axis of laser beam by stepper motor. Stepper motor is connected to driver unit and operated by computer. Necessary number of steps of stepper motor is accomplished by usage of cog wheels transmission.
Detailed record

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