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Design of mini backhoe
John, Václav ; Bilík, Martin (referee) ; Pavlík, Jan (advisor)
Main goal of this bachelor thesis is design of a backhoe for a compact tractor. First part of this thesis describes principle of the backhoe. In the second part different design solutions for each component are considered. In the third part basic design calculations are described. Last part shows models of components for chosen design solution.
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Analysis of conformity assessment procedure of a torque converter body
John, Václav ; Jankových, Róbert (referee) ; Harčarík, Matej (advisor)
This diploma thesis deals with analysis of the conformity assessment procedure of a torque converter body with its specification. The individual goals were to analyse the part specification, the current procedure for assessing compliance with the specification and to formulate practical recommendations. The first chapter is the introduction. The second chapter deals with the correct dimensioning of part geometry. In the third chapter, the customer's part specification was analysed. In the fourth chapter, the current conformity assessment procedure was analysed. In the last chapter, practical recommendations were presented.
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Analysis of conformity assessment procedure of a torque converter body
John, Václav ; Jankových, Róbert (referee) ; Harčarík, Matej (advisor)
This diploma thesis deals with analysis of the conformity assessment procedure of a torque converter body with its specification. The individual goals were to analyse the part specification, the current procedure for assessing compliance with the specification and to formulate practical recommendations. The first chapter is the introduction. The second chapter deals with the correct dimensioning of part geometry. In the third chapter, the customer's part specification was analysed. In the fourth chapter, the current conformity assessment procedure was analysed. In the last chapter, practical recommendations were presented.
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Hybrid sterility genes in mice: mapping of epistatic interactions
John, Václav ; Forejt, Jiří (advisor) ; Kuthan, Martin (referee)
MOUSE HYBRID STERILITY GENES: A MAPPING OF EPISTATIC INTERACTIONS Hybrid sterility is an important postmeiotic reproductive isolation barrier. The phenotype of mouse hybrid sterility includes decreased testes weight and an absence of sperm. It occurs only in F1 males from PWD/Ph (PWD; Mus musculus domesticus) x C57BL/6J (B6, M. m. musculus) cross but not reciprocal B6 x PWD F1 males (FOREJT & IVÁNYI, 1974; FOREJT et al., 1991). Nowadays we know that the phenotype of hybrid sterility is controlled by the PWD/B6 allelic combination on chromosome 17 at Prdm9 locus is needed and by the PWD allele on chromosome X at Hstx2 locus. This combination of two loci is necessary but not sufficient obtain full sterility (MIHOLA et al., 2008; FOREJT, JIŘÍ, pers. comm.), so another genes must play role. In this experimental work I prepared the F2 cross from B6 and PWD mouse strains and I genotyped the males of F2 crosses and I carried out the QTL analysis. Extended QTL analysis was carried out with all animals carrying Prdm9PWD/B6 - Hstx2PWD allelic combination. The results showed unexpectedly low number of sterile males in F2 generation (1.90 %), and significant QTLs on chromosomes 17 (in Prdm9 loci) and X (different from Hstx2) in sperm, no other significant peak on any chromosome was found. These results indicate a more...
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Design of mini backhoe
John, Václav ; Bilík, Martin (referee) ; Pavlík, Jan (advisor)
Main goal of this bachelor thesis is design of a backhoe for a compact tractor. First part of this thesis describes principle of the backhoe. In the second part different design solutions for each component are considered. In the third part basic design calculations are described. Last part shows models of components for chosen design solution.
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