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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Optimalizace gelového elektrolytu pro tištěný UV senzor na bázi fotoelektrochemického článku / Optimalization of gel electrolyte for printed UV sensor based on photoelectrochemical cell

Vrbková, Kateřina January 2020 (has links)
This paper deals with the construction of photoelectrochemical cell, used for detection of ultraviolet radiation as a UV sensor. Photoelectrochemical cell consists of three layers, layer of photoactive semiconductor titanium dioxide, carbon electrodes and poly(vinyl alcohol) polymer electrolyte. The sensor layer enables the detection of UV radiation with the subsequent generation of photocurrent. Material printing techniques, such as screenprinting, pad printing and inkjet printing were used to produce the cell. Gel electrolyte was characterized by optical microscopy and rheometry. Sensor functionality was verified by use of electroanalytical techniques.
22

Studium tepelných vlastností materiálů / Study of Thermal Properties of Materials

Štefková, Pavla January 2012 (has links)
The doctoral thesis deals with study of thermal properties of materials. Behavior of homogeneous matters at different temperatures is well described in theory and experimentally verified. Overall effect of all components of mixture and other influences related with material creation affect behaviour and properties of heterogeneous matters. For study of thermal properties can be used transient method of measurement which provide a picture about overall influence of all components of mixture on studied heterogeneous material and among others enable determination of thermophysical properties of whole macroscopic system in observed temperature range. Properties of solid matters, thin foil and liquids can be measured by means of pulse and step-wise transient method which is used for experimental activity in the thesis. It is contact measurement method and its principle is based on small quantity of heat generating inside the specimen and temperature response measuring. Theoretical part of thesis is focused on creation of method for determination of thermophysical parameters. The base is differential equation of the heat conduction. Its solution is temperature function. Three methods of evaluation are described mathematically. They start from general relations designed for study of fractal structure physical properties (maximum of function method, differential method and multi-parametric non-linear regression method).
23

Vývoj souborného katalogu ČR, základní problémové okruhy a varianty jejich řešení / The development of a Union Catalogue of the Czech Republic, the basic sets of problems and some variants of their solution

Lodrová, Iveta January 2014 (has links)
This diploma thesis provides information about the Union Catalogue of the Czech Republic (SK ČR) and its new tasks related to Conception of development of libraries during the years 2011-2015. The aim is to show basic sets of problems, their analysis and some variants of their solutions, compared to other foreign union catalogues. The first and second part of the thesis deals with foreign union catalogues - British example of heterogeneous environment Copac: National, Academic and Specialist Catalogue, and Slovak example of homogeneous environment KIS3G, their analysis and development from the beginning to the present, current status and future plans. The third part describes SK ČR, including semi-structured interview with head of the Union Catalogues Department of the National Library, PhDr. Eva Svobodová and findings from SK ČR workgroup meeting. The final part presents the summary and comparison of the three union catalogues.
24

Distance vůči korupci a přímé zahraniční investice: případ evropských tranzitivních ekonomik / Corruption Distance and Foreign Direct Investment: Evidence from European Transition Economies

Yu, Bin January 2019 (has links)
This dissertation builds on Cezar and Escobar's (2015) study of the relationship between institutional distance and foreign direct investment (FDI), but focuses instead on the nexus between corruption distance and FDI. Along the lines of their study, this dissertation uses a two-stage gravity model derived from the framework of heterogeneous firms to empirically estimate the impact of corruption distance on the inward and outward FDI of European transition economies. This dissertation contributes to the literature in several aspects. First, it proposes a new method for measuring corruption distance, considering the importance of firms' previous experience to the development of necessary skills for navigating a foreign business environment. Second, the empirical study distinguished the impact of corruption distance on the extensive and intensive margin by using a rich dataset with three different corruption indices, which thereby differs from most previous studies on this topic. This is also one of the few papers that specifically study this topic in the context of European transition economies. The results show that both conventional and adjusted corruption distance based on the control-of-corruption index only reduces the extensive margin of transition economies' FDI; and that the magnitude of...
25

Diferenciace výuky anglického jazyka na prvním stupni základní školy / Differentiation in English language teaching at the elementary school

Juránková, Martina January 2019 (has links)
- v anglickém jazyce This diploma thesis called 'Differentiation in English language teaching at the elementary school' deals with employing differentiated instruction in a fifth-grade class at an elementary school in order to make learning more effective by balancing the stronger and the weaker students' needs. The theoretical part focuses on topics of learning and effective learning with an emphasis on English language teaching, mixed ability classes, learner differences and differentiated instruction. The final chapter of this part proposes a set of example activities and ideas that might be used in mixed-ability classes. The practical part uses action research to determine whether differentiate instruction was employed successfully. The outcomes of the research are discussed at the end of this part. The assumption is that after the research is finished, the situation in the class will improve since all students will feel adequately engaged in the lessons.
26

Kooperativní výuka na málotřídní škole / The cooperative teaching at a little class school

Machotková, Ilona January 2020 (has links)
The diploma thesis deals with the topic of application of the model of cooperative teaching in the environment of small schools. The main goal of the diploma thesis is to point out the specifics of small schools in connection with the application of the principles of cooperative teaching. The theoretical part deals with the explanation of basic concepts related to small schools and points out the basic aspects related to the concept of small schools in the Czech Republic, describes the specific qualities of education in small schools while focusing on cooperative teaching and the specifics of cooperative teaching in small schools. Both available monographs and researches that have already been carried out in this area are used. The aim of the empirical part is to identify and describe the application of cooperative teaching in small-class primary schools in the Central Bohemian Region with the help of a questionnaire survey and a case study. Although cooperation can be used in fully organized schools, the author focused mainly on the possibilities of its application in the environment of small schools, which is in many respects specific and she considers it a suitable environment for the application of cooperative teaching. She believes that it is in small schools that the cooperative way of...
27

Vliv teploty na generaci a rozklad ozónu na pevných površích / Temperature influence on ozone generation and decomposition on solid surfaces

Krejsková, Eliška January 2012 (has links)
This master’s thesis is focused on a study of temperature influence on ozone generation and decomposition by chosen solid surfaces. Ozone is unstable gas that is decomposed spontaneously. This decomposition can be accelerated by various factors such as increase in temperature or reaction with other substances. The aim of this study is to determinate how fast the ozone decomposition proceeds at different temperatures and how the homogenous decomposition of ozone is accelerated by heterogeneous processes on the walls of solid materials. Currently in practise ozone is used in many areas and the finding of the rate of its decomposition can help to increase efficiency of its production and subsequent specific applications. In the theoretical part of the thesis, these points are described: important properties of ozone, possibilities of its utilization, the ozone generation, some methods of determination of the ozone concentration, ozone relationship to various solid surfaces and present theoretical knowledge about the effect of temperature on the ozone generation and decomposition. In the experimental part, the rate of the ozone decomposition in reaction tubes made of copper and iron of two different surface to volume ratios was investigated at temperatures of 10, 25, 40, 55, 70 and 85 °C. Ozone generated from oxygen was closed in the reaction tube and the decrease of its concentration during the time was observed by absorption spectroscopy. From obtained exponential dependencies, the rate constants at different conditions of this experiment were evaluated. The rate of ozone decomposition significantly increased with higher temperature. The fastest ozone decomposition took place in the iron tube of larger inner diameter (8 mm).
28

Role učitele v nízkoprahových kurzech češtiny pro cizince / The role of a teacher in low-threshold courses of Czech for Foreigners

Kunová, Kateřina January 2013 (has links)
The thesis deals with the subject of the role of the teacher in low-threshold courses of Czech for foreigners provided by The Centre for Integration of Foreigners (CIC). The thesis is divided into a theoretical and empirical part. The theoretical part is divided into three main parts. The first chapter explains the term "low-threshold", which is later put into context of foreign language education organized by the state or non-profit organizations. We focus mainly on NPK CIC. We cover how the courses are built, what is their content and what are the specific of (large) heterogenous classes. The second chapter focuses on adult education in general. We cover the basic of adult education and introduce the key competencies that are developed at NPK. The third chapter covers the adult's teacher. It defines who the teacher is and what his competencies are. We also compare the demands that the teacher has to meet in schools or when they are a teacher at NPK. The chapter covers the role of the teacher and analyses the usage of these models in the environment of NPK. Attention is also paid to team teaching. The empiric part deals with the description of the results and implementation of qualitative research. The aim of this research was to find out how the teachers view their role at NPK that substantially...
29

Individualizace ve výchově a vzdělávání dětí v mateřské škole / Individualization in education of children in kindergartens

Benešová, Ludmila January 2013 (has links)
Education and training affect the way children's behavior, we shape children's attitudes and values. One of the ways which we can develop the personality of a child in kindergarten is to use the principle of individuation. The theoretical part is, besides development of individualization in the upbringing and education of children of preschool age, given the current requirements for the individualization of children in kindergartens. It discusses the development and acceptance of the basic needs of children of preschool age, specifies the conditions, the position of teacher for individualizing education of children in kindergarten. The practical part verifies the possibility of individualization in age heterogeneous and homogeneous model. Assesses differences and experience in these models in the approaches of preschool teachers including the effect of a specific environment specific kindergarten.
30

Hra ve věkově heterogenních třídách - komparace běžné a waldorfské mateřské školy / Playing in Heterogeneous Classes - Comparative Study on Kindergartens of Common versus Waldorf Type

Nováková, Pavlína January 2016 (has links)
The topic of this work is "Playing in Heterogeneous Classes - Comparative Study on Kindergartens of Common versus Waldorf Type". The theoretical part deals with the definition of the pre-school aged children's need of playing, the development of playing, the need of a playing partner and the function of toys. Then it focuses on playing in the General Educational Plan for Pre-School Education, playing integration into the daily routine of a kindergarten and benefit of playing for a child and a teacher. It describes the specific features of a heterogeneous group of children and their relationship to playing. It also discusses the characteristics of a Waldorf kindergarten. In the end of the part the School Educational Plan of the studied schools is shown. The practical part of this work is based on monitoring children during their free playing time in the chosen kindergartens. The time daily devoted to free playing, the ways the teachers react to free playing and which types of playing are most common were the objectives of the research. The work then names toys recommended for a heterogeneous class by the teachers, toys chosen by children, how younger children are integrated into the older children's playing and vice versa. Then, by using a questionnaire, following data will be obtained from parents...

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