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Conditions of observation of electrode masses in environmental scanning electron microscope
Drnovský, Radek ; Michálek, Martin
When an electrochemical battery operates, oxides and sulphides are produced on the interface between the electrode mass and collector. This causes a short battery life and less efficiency. For the study of these phenomena the observation of the structure of the surface of the electrode mass in the ESEM was chosen. The electrode mass is operated in a liquid of an electrolyte. When the specimen is observed in the classic scanning electron microscope (SEM), its surface is enormously dried by the vacuum and its state does not correspond to the original state in the battery. Observation in ESEM allows the use of working pressures in the range from tens to thousands of Pa, and the drying of the specimen is suppressed. When the working conditions in the specimen chamber are changed, the quality of given images changes too. The aim of the experiment is to determine optimum conditions for the attainment of a good-quality image of the structure of the electrode mass surface in the ESEM.
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Fiscal rules in selected EU countries between 2004-2015: sensible method for consolidation of public finances or fad of politicians?
Veselý, Lukáš ; Strejček, Ivo (advisor) ; Chmelová, Pavla (referee)
The subject of fiscal rules is very topical issue. The rise of public debt in certain developed countries resulted in what is sometimes called "debt crisis". Debt of those countries which is higher than their annual gross domestic product is viewed as unpayable by some economists. The main objective of this thesis has been to prove or disprove hypothesis that the fiscal rules studied in this paper are an effective solution for public finance consolidation. This verification was based on the analysis of fiscal rules functioning in selected countries between 2004 and 2015. As per results of analysis the paper aims to give recommendations for the Czech financial constitution proposal. The actual results of inquiry proved the hypothesis. Well-chosen fiscal rules are the right way towards fiscal consolidation, provided they are observed. Fiscal rules making thus requires an emphasis to be placed on the well-formulated exit clauses altogether with prospective sanctions. The current Czech financial constitution proposal is built on the correctly picked fiscal rule type, although the reference value lacks economic sense and it would not lead, with a high degree of probability, towards fiscal consolidation.
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Systém odměňování v malém IT podniku
Novotný, Lukáš ; Dvořáková, Zuzana (advisor) ; Cetkovský, Pavel (referee)
The topic of this thesis is reward management and its application in a small-sized IT enterprise. Its goals are to properly document and describe current reward system in the company, evaluate the system and recommend improvements for the system. The first two goals are reached via thorough research of the company through semi-structured interviews, employee satisfaction survey, participant observation and document examination and the last one by applying principles from the current literature and education to the results of the two previous goals. The findings are that the reward system, despite growing organically instead of designed, is relatively effective in some areas, but needs improvement in other areas. The main improvement areas are motivation by contingent pay, communication management and performance management. Relatively well working rewards are especially non-financial reward connected to the work environment and work itself.
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Clustering and regression analysis of micro panel data
Sobíšek, Lukáš ; Pecáková, Iva (advisor) ; Komárek, Arnošt (referee) ; Brabec, Marek (referee)
The main purpose of panel studies is to analyze changes in values of studied variables over time. In micro panel research, a large number of elements are periodically observed within the relatively short time period of just a few years. Moreover, the number of repeated measurements is small. This dissertation deals with contemporary approaches to the regression and the clustering analysis of micro panel data. One of the approaches to the micro panel analysis is to use multivariate statistical models originally designed for crosssectional data and modify them in order to take into account the within-subject correlation. The thesis summarizes available tools for the regression analysis of micro panel data. The known and currently used linear mixed effects models for a normally distributed dependent variable are recapitulated. Besides that, new approaches for analysis of a response variable with other than normal distribution are presented. These approaches include the generalized marginal linear model, the generalized linear mixed effects model and the Bayesian modelling approach. In addition to describing the aforementioned models, the paper also includes a brief overview of their implementation in the R software. The difficulty with the regression models adjusted for micro panel data is the ambiguity of their parameters estimation. This thesis proposes a way to improve the estimations through the cluster analysis. For this reason, the thesis also contains a description of methods of the cluster analysis of micro panel data. Because supply of the methods is limited, the main goal of this paper is to devise its own two-step approach for clustering micro panel data. In the first step, the panel data are transformed into a static form using a set of proposed characteristics of dynamics. These characteristics represent different features of time course of the observed variables. In the second step, the elements are clustered by conventional spatial clustering techniques (agglomerative clustering and the C-means partitioning). The clustering is based on a dissimilarity matrix of the values of clustering variables calculated in the first step. Another goal of this paper is to find out whether the suggested procedure leads to an improvement in quality of the regression models for this type of data. By means of a simulation study, the procedure drafted herein is compared to the procedure applied in the kml package of the R software, as well as to the clustering characteristics proposed by Urso (2004). The simulation study demonstrated better results of the proposed combination of clustering variables as compared to the other combinations currently used. A corresponding script written in the R-language represents another benefit of this paper. It is available on the attached CD and it can be used for analyses of readers own micro panel data.
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IT requirements management of insurance company
Dvorský, Petr ; Bruckner, Tomáš (advisor) ; Jungmannová, Barbora (referee)
The first part of thesis deals with theoretical knowledge, thus defining the concepts of recommendations from the field of requirements management. The second part focuses on the identification, analysis and subsequend design solutions to problems arising from working with the requirements. Methods for identifying problems are carried out workshop, participant observation and interviews with employees from the IT sector of the insurance company. The outputs of this work are proposals for improving requirements management, some of them are successfully applied in Kooperativa. The first draft, which was applied to create a process library. Further, of four different types of prioritization was selected and applied method that is defined by ITIL. Other outputs are design of new user interface of requirements software and starting to design a Change Advisory Board, which is compared to ITIL enhanced with additional features. Further was established Business Consultant Department, which has task of efficiently collecting client requirements and the supporting documents were created for this department.
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Forms of advertising on social networks and consumer protection
Žďárský, Jiří ; Vavrečka, Jan (advisor) ; Štěpánek, Petr (referee)
The theme of this thesis are forms of advertising on social networks and consumer protection. The main informational source is above all research of specialized literature, articles, online or other sources in connection with author's own observations and analysis of the respective legislation and ultimately the comparison with author's gained professional experience. The result of this work is a comprehensive overview and introduction to the law of social networks and advertising, demonstration of the importance and significance of this topic and finally evaluation of the effectiveness of legislation that protects consumers in the environment of social networks.
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Marketing mix of the fitness centre
Choutková, Aneta ; Khelerová, Vladimíra (advisor) ; Vojtíšek, Zdeněk (referee)
The aim of the thesis is to define and evaluate the marketing mix of the fitness centre World Gym Fitness Group Inc. and to recommend changes that would increase the efficiency of the marketing mix. The theoretical part is divided into two chapters and focuses on marketing mix of services and marketing environment. Within the crucial practical part there has been run a research to determine the mission of the company and clients´ satisfaction. The research is based on direct observation. The practical part contains at first general characteristics of the World Gym company. The next chapters are focused on the individual parts of the marketing mix of the fitness centre. The marketing mix includes services, price, promotion, distribution, physical environment and people. At the end all findings are summarized in the SWOT analysis and recommendations are designed to increase the efficiency of the marketing mix of the fitness centre.
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Interpersonal relationship development between children's nurse and mother in the neonatology department by means of the H. E. Peplau model
AMBROŽOVÁ, Helena
The dissertation objective on the theme {\clqq}Interpersonal relationship development between children's nurse and mother in the neonatology department by means of the H. E. Peplau model`` is to chart individual phases utilization in the process, professional relationship development between children´s nurse and mother according to the H. E. Peplau model. Further through created documentation to find out differences at the approaches during professional relationship connecting between children´s nurse and mother in the neonatology department in the Hospital JSC in České Budějovice. To meet these objectives the dissertation is divided into theoretical part which focuses on differences at the care of developed and underdeveloped infant, nursing model H. Peplau including its application into practice. The second, practical part is divided into quantitative and qualitative parts. The quantitative part concentrates on factors finding out which influence professional relationship between children´s nurse and mother in compliance with the H. E. Peplau model and concurrently specifies individual nurse roles changing during professional relationship children´s nurse and mother. The data of the quantitative research part have been learned by means of questionnaire disquisition. By the dissertation results summarizing I found out facts regarding H. E. Peplau model individual phases utilization at the children nurse {--} mother relationship establishing in neonatology. Hypothesis 1 {\clqq}Children nurses with own children establish faster the professional relationship with mother`` {--} has come true. Hypothesis 2 {\clqq}Children nurse practice length influences the ability to establish the professional relationship with mother`` {--} has come true. Hypothesis 3 {\clqq}Children nurses undertake the role of the mentor in most cases`` {--} hasn´t come true. The data of the qualitative research part were identified by observation, conversation with children nurse, creating of the documentation own proposal at the mothers of prematured children hospitalized by ROOM IN system and its application in practice. Mothers were divided into two groups, the common way of the interpersonal relationship establishing with mother was used in the first group, the way of the interpersonal relationship establishing with mother according to the H. E. Peplau model was applied in the second one. At the quasiexperiment it has been identified the interpersonal relationship establishing with mother proceeds better at the nursing H. E. Peplau model utilisation. The dissertation knowledge can be partly utilised by neonatology department of the Hospital JSC in České Budějovice, in particular by children nurses to master the abilities for professional relationship establishing with mother and to provide subsequently mother and child with the complex nursing care. Further to students and other interested people in this issue.
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ELECTRON BEAM REMELTING OF PLASMA SPRAYED ALUMINA COATINGS
Matějíček, Jiří ; Veverka, J. ; Čížek, J. ; Kouřil, J.
Plasma sprayed alumina coatings find numerous applications in various fields, where they enhance the properties of the base material. Examples include thermal barriers, wear resistance, electrical insulation, and diffusion and corrosion barriers. A typical structure of plasma sprayed coatings, containing a multitude of voids and imperfectly bonded interfaces, gives them unique properties - particularly low thermal conductivity, high strain tolerance, etc. However, for certain applications such as permeation barriers or wear resistance, these voids may be detrimental.\nThis paper reports on the first experiments with remelting of plasma sprayed alumina coatings by electron beam technology, with the purpose of densifying the coatings and thereby eliminating the voids. Throughout the study, several parameters of the e-beam device were varied - beam current, traverse velocity and number of passes. The treated coatings were observed by light and electron microscopy and the thickness, structure and surface morphology of the remelted layer were determined and correlated with the process parameters. Based on the first series of experiments, the e-beam settings leading to dense and smooth remelted layer of sufficient thickness were obtained. In this layer, a change of phase composition and a marked increase in hardness were observed.\n
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Miřenka Čechová
Janečková, Kateřina ; PETIŠKOVÁ, Ladislava (advisor) ; SOPROVÁ, Jana (referee)
Monographic work focuses on artistic creation Miřenka Čechová, one of the
the leading personalities of our contemporary stagecraft. Her personal and
artistic development started when she began studying dance and continued to
mimic and physical theater. Material presents her contribution to
contemporary Czech scene physical theater and refers to her international
success. Work observes her role like co-founder of physical theaters Theatro
Pantomissimo and Spitfire Company and to presents the work of these
physical theaters and reveals the working and teaching methods in the
preparation of copyright performances.
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