National Repository of Grey Literature 6 records found  Search took 0.01 seconds. 
Rtg difrakce a difuzní rozpyl na Heuslerových slitinách
Cejpek, Petr ; Holý, Václav (advisor)
Recently, Heusler alloys are studied for their interesting magnetic and electronic properties. These properties are strongly dependent on the crystallographic struc- ture. This work deals with Heusler alloys of the A2BC type. We have powder samples and single-crystaline samples for our study as well. An object of interest was a description of crystallographic structure of the samples, site occupation numbers of each type of atoms and their possible occupation disorder. Pow- der difraction and EXAFS have been measured on the powder samples. Clasical single-crystal diffractions has been meassured on the single-crystaline samples. In the case of a modulated structure in the samples, satelite difractions have been measured too. 1
Rtg difrakce a difuzní rozpyl na Heuslerových slitinách
Cejpek, Petr ; Holý, Václav (advisor)
Recently, Heusler alloys are studied for their interesting magnetic and electronic properties. These properties are strongly dependent on the crystallographic struc- ture. This work deals with Heusler alloys of the A2BC type. We have powder samples and single-crystaline samples for our study as well. An object of interest was a description of crystallographic structure of the samples, site occupation numbers of each type of atoms and their possible occupation disorder. Pow- der difraction and EXAFS have been measured on the powder samples. Clasical single-crystal diffractions has been meassured on the single-crystaline samples. In the case of a modulated structure in the samples, satelite difractions have been measured too. 1
Rtg difrakce a difuzní rozpyl na Heuslerových slitinách
Cejpek, Petr ; Holý, Václav (advisor) ; Kriegner, Dominik (referee)
Recently, Heusler alloys are studied for their interesting magnetic and electronic properties. These properties are strongly dependent on the crystallographic struc- ture. This work deals with Heusler alloys of the A2BC type. We have powder samples and single-crystaline samples for our study as well. An object of interest was a description of crystallographic structure of the samples, site occupation numbers of each type of atoms and their possible occupation disorder. Pow- der difraction and EXAFS have been measured on the powder samples. Clasical single-crystal diffractions has been meassured on the single-crystaline samples. In the case of a modulated structure in the samples, satelite difractions have been measured too. 1
Diffusion x-ray reflection from rough multilayers
Cejpek, Petr ; Holý, Václav (advisor) ; Daniš, Stanislav (referee)
This bachelor work follows with the theory of diffusion x-ray scattering from rough multilayers. In the first chapter we will recap some basic principles - statitistic properties of interfaces, Fresnell coefficients, scattering theory, etc. - this stuff we will use to derive the expressions for specular reflection and diffusion scattering from rough interfaces, which we will consider as the random fractals. We will demonstrate the use of these derived expressions at a measurement on the multilayers coumpounded from and layers and substrate of mineral glass. Fitting of the measured data on the derived expressions will be done with Matlab software. Moreover, we will measure the roughness of interfaces with AFM microscope and we will compare these two measuring metodes. 2SiO 2ZrO
New town hall for the district Brno-North
Cejpek, Petr ; Němec, Josef (referee) ; Ruller, Ivan (advisor)
The aim of this diploma thesis is to propose the Town Hall for the city part Brno-sever (Brno-Nord). The Town Hall is placed in a newly designed urban structure, which is located on the territory of today's barracks in Černé Pole. The locality is located in the imaginary geometric center of the city and because of it the site is becoming a convenient location for the Town Hall. The main aim was to create the Town Hall changing during the time, which would respond to the additional larger footprints to the place and would respond to the adding further spaces not only with the function using for the purposes of the Hall. The new Town Hall is designed to enrich the urban space.
Technological design of part "hydraulic cylinder"
Cejpek, Petr ; Slaný, Martin (referee) ; Kalivoda, Milan (advisor)
The subject of this bachelor thesis is the analysis of technological process of manufacturing of the part called hydraulic cylinder in conditions of company S&K TOOLS spol. s r. o. There is an analysis of the present technological process in the beginning of the thesis. The main goal of this task is to find weak spots of manufacturing, create an improvement proposals and realization of practical experiment in concrete conditions of the company. Last part of the thesis is focused on realization of technical and economical evaluation.

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3 Cejpek, Pavel
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