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Auswahl der wissenschaftlichen Literatur zum Thema „Vyhodnocení stresu“

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Dissertationen zum Thema "Vyhodnocení stresu"

1

Muschalik, David. „Vyhodnocování úrovně stresu pilota při přistání s využitím nositelné elektroniky“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443772.

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The thesis focuses on the possibilities of objective stress measurement. It chooses parameters that are suitable for measurement by commonly available wearable electronics. It establishes a methodology for measuring stress using these devices, which it then verifies by conducting experiments with flight school students. It serves as proof of concept for similar measurements in further research or in flight schools.
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2

Havlíková, Ivana. „Vyhodnocení lomových testů těles z vybraných stavebních materiálů pomocí modelu Dvojí-K“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-355611.

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The purpose of dissertation is the analysis of the calculation of fracture parameters using Double-K fracture model for quasi-brittle specimens with the stress concentrator loaded by three-point bending or wedge splitting. To calculation of these parameters was used the developed DKFM_BUT software in Microsoft Excel application with using of Visual Basic programming language. Furthermore, the adequate shape functions and compliance functions were introduced for the selected wedge splitting test configurations. Main part of this dissertation is the series of comprehensively implemented and evaluated fracture experiments on specimens from advanced building materials, while the attention was paid to the analysis of experimental data. Finally, the selected results obtained using mentioned software support were presented and discussed.
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3

Kršík, Jakub. „Numerické modelování předpjatých dutinových panelů typu Spiroll na pružném podepření a vyhodnocení průběhu napětí“. Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392319.

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The doctoral thesis describes the possibilities of numerical modelling of hollow core concrete panels, SPIROLL type. The commercial finite element program ANSYS 13.0 is used for the modelling. The focus is on the specific flexural support of the panel and on the distribution of the shear stresses in the panel ribs near the support. The goal is to valid actually used method for homogenization of the panel’s foreheads and its influence on the shear resistance by using four numerical models. The numerical models are compared and verified with two experiments. The first experiment is vacuum loading on the hollow core slab. Second experiment is about shear loading by applying the loading blocks. Four methods for design of hollow core panels are evaluated. It is the method based on main stresses, design according EN 1992 and EN 1168 and Yang’s method of prestress effects transfer. Based on the results, a method of considering flexural support for the evaluation of hollow core panels is proposed.
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4

Kubík, Petr. „Minimalizace zbytkového napětí při dochlazování válcovaných profilů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228874.

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This thesis deals with simulation of cooling of rail during its passing through cooling device which has been designed by the heat transfer and fluid flow laboratory. Inputs of the computational model have been set up to get best possible correspondence between outputs of the computational model and results of experimental measurement. The solution with using of model of austenitic stainless steel is provided in first part of the thesis. The solution with considering model of carbon steel is performed in next part. Using of model of carbon steel allows including evolution of latent heat during phase changing. A fields of residual stress has been calculated for different cooling conditions in the last part of this thesis.
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5

Kosařová, Zuzana. „Využití metod štíhlé výroby na vybraném pracovišti“. Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2018. http://www.nusl.cz/ntk/nusl-377624.

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The diploma thesis is focused on proposal of workplace modification according to the lean manufacturing methodology (DMAIC). The target is to minimize the wasting and to increase the production efficiency based on LEAN tools implementation. The theoretical part of the thesis defines the basic terms, such as primarily lean production, DMAIC, wasting. In the practical part there is at problem analysis using the DMAIC method, then the proposal for improvement is solved, that contains reduction of wasting, process of the project, timetable, costs and implantation of the solution, finally there is evaluated the benefit.
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6

CEPÁK, Martin. „Vyhodnocení změn využití půdy za posledních 50 let na povodí Jenínského toku“. Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-43868.

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It is in human nature to adapt the environment for his needs and wishes. Politics, technology and society as a whole went trough dramatic changes in Czech Republic in last 50 years. These changes approved naturally on land utilization too. This research is focused on the evalution of land use changes in last 50 years in the catchment of Jenínský stream. The research is based on photogrammetric scans from years 1952, 1974 and 2005. Polygon maps of land use in GIS were elaborated from these scans. Outputs of these maps were subsequently analysed and mutually compared.
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7

JURAČKA, David. „Vyhodnocení rekonstrukce a údržby nádrží v zemědělské krajině jako součást projektu komplexní pozemkové úpravy“. Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-174231.

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This thesis explores isssues with small water reservoirs and their valuation in accordance with Act No. 151/1997 Coll. valuation and appraisal Decree No. 441/2013 Coll. Furthermore, this work deals with the distribution, history, importance and problems of small water reservoirs. Required observed data for the practical part has been processed in the DeltaNEM. The study also contains the characteristics of the specified area.
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8

MÁSÍLKO, Jan. „Ekologie perlorodky říční (Margaritifera margaritifera L.) a vyhodnocení její úmrtnosti na lokalitách v České republice“. Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-80242.

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The aim of this thesis was to monitor mortality or more precisely population changes of freshwater pearl mussel (Margaritifera margaritifera L.), which settle in oligothropic stream. Brown trout (Salmo trutta morpha fario L.) is the only one fish host of larval stage of freshwater pearl mussel. The counting of the population was pursued at 2 localities: on the Blanice river and on the stream of Lužní potok in the Czech Republic. For general counting of population a net instrument and an optical instrument were used, that enabling to see them. Population of freshwater pear mussel is in decline in all Europe due to many factors like eutrophication, water pollution, etc. Results of work indicated a decline in population of freshwater pearl mussel at the first area about 15,38 % and at the second area about 15,22 % of the stream Lužní potok. There was not recorded a decline on the Blanice river, on the contrary, the number of population was higher. Among others, the habitation of juveniles was recorded at the first area.
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9

CIVIŠOVÁ, Petra Miki. „Vyhodnocení rekonstrukce a údržby nádrží v zemědělské krajině jako součást projektů komplexních pozemkových úprav“. Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-180729.

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The diploma thesis deals with the topic of small reservoirs. In the theoretical part the history, division of the reservoirs and technical compositions are described. Furthermore the thesis deals with the legislation and the possible technical solution within the frame of landscaping. The state of purpose reservoirs is settled in the basin area of Zborovský stream. The work propose the repairs of: dam, drain or the spillway. and the maintenance of bank vegetation and state of the mud amount in the basin as well. The erosion threat and the soil washes from the surrounding agricultural grounds are also described. The Universal soil loss equation - USLE according to Wischmeier and Smith (1978) was used for the calculation.
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10

VÁVRA, Miroslav. „Výpočet prostorové distribuce srážek různými metodami a vyhodnocení rozdílu v úhrnech srážek na vybraném povodí“. Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-154479.

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This thesis engages various methods of calculation of the spatial distribution of precipitation and the evaluation of differences in totals of rainfall in a chosen catchment. The aim of this work was to choose suitable methods for the calculation of areal rainfall and subsequently to create those methods. Most methods were developed in the GIS program. The next objective was to explore differences in monthly precipitation from hydrological years 2006 and 2007 calculated in the catchment by chosen methods. Chosen methods for the calculation of the spatial distribution of precipitation in the catchment were: arithmetic mean, Thiessen polygons, isohyetal method and inverse distance weighting method. (IDW). As a suitable catchment was selected the catchment of the Kopaninský stream where relatively dense rainfall measurement network is installed. During the solution of this thesis the area of interest had to be extended by the area between the used rain gauges which was delimited in the GIS program. The reason for an enlargement was a fact that a decomposition of rain gauges in the catchment of the Kopaninský stream did not permit the creation of isohyetal lines in this whole catchment. During the calculation and the comparison of results of individual methods was found that results of used methods were surprisingly nearly the same. It was also stated that not even sufficient dense rain gauges network does not guarantee 100% exactness for calculating the amount of the precipitation in the selected area because of their extraordinary variability.
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