|
Influence of magnetic field upon detection in environmental SEM
Romanovský, Vladimír ; Neděla, Vilém
The single-pole magnetic lens has been constructed and placed co-axially with the beam of primary electrons below the specimen holder. A scheme of its configuration is shown in Figure 1. The lens had to be designed with consideration to the size of space available in the specimen chamber. The situation was complicated by the necessity of placing a magnet below the specimen holder. For this reason the height of 30 mm and diameter of 55 mm of the magnetic lens were chosen. The dependency of induction B on the current I through the magnet was measured by a T-meter.
|
| |
|
Experiment CAPEX-U: Současnost a Budoucnost
Frolov, Oleksandr ; Koláček, Karel ; Štraus, Jaroslav ; Schmidt, Jiří ; Boháček, Vladislav ; Prukner, Václav
A new pulse capillary discharge driver with a laser-triggered main spark gap has been developed. The assembled CAPEX-U device consists of a Marx generator, of a pulse forming line, a gas-filled laser-triggered spark gap and a ceramic capillary. Its design was supported by mapping of electrostatic fields in the most exposed regions and by analysis of an equivalent circuit. Operation of the laser-triggered spark gap was tested on a single-channel model. In the paper, the results of the modelling and of the first electrical tests of the whole device (capillary current and voltage at the end of pulse forming line) are presented.
|
|
The influence of implementation of DMS in a bank on its business processes
Vejmělek, Vojtěch ; Stanovská, Iva (advisor) ; Cícha, Daniel (referee)
The topic of this thesis is an analysis of the influence of implementation of Document management system (DMS) on a selected process of a specific retail bank. The paper moves from a detailed characteristic of key terms, apart from technological aspects deals with the current legislature, continues on to the current state of the selected process and ends with a proposal of a new process. The thesis is meant for those who are interested in the field of enterprise content management, additionally it can offer motives for thoughts about electronization of documents and how it can be used to better the organization's services.
|
|
Physical Load Analysis In Woman's Beach Volleyball
Maciolková, Hana ; Vorálek, Rostislav (advisor) ; Buchtel, Jaroslav (referee)
Title: Physical Load Analysis In Woman's Beach Volleyball Objectives: The objective is to examine time characteristics, cardiac strain, movement pattern and the individua! volleyball skills in woman playing beach volleyball. The results will help aid athletes and coaches to improve individua} and team performance in the sport. Methods: Analyses of the thirteen game records were used to compile data for statistical time measurements, movement pattems and individua! volleyball skill. Through the use of sport testers, four individua} athletes in four separate toumaments had their heart rates recorded. These heart rates were further analyzed to collect the appropriate data for cardiac strain characteristics. Results: The average game time was 37 minutes with 5 - 9 seconds exercise loads and 15 seconds recovery time. Beach volleyball is high to middle level intensity game with mixed aerobic- anaerobic energy supply system in use. The average heart rate falls in the interval of 150 and 180. The jumping load is about 41 and more jumps counting serve jump, block and spike. The prevalent movement distance is within 4 meter range. The results also shows that the blocking player is under large physical stress while changing repeteadly position between defence on the net and in the field. Keywords: Beach...
|
|
Computational analysis of the dynamic behavior of the thrust bearings
Žatko, Miroslav ; Kos, Pavel (referee) ; Malenovský, Eduard (advisor)
This master´s thesis solves the problem of stationary viscous flow of incompressible fluids in thin layers of fluid film lubrication in fixed pad thrust bearings. The parametric computational model of oil domain was created for investigation the distribution of pressure, velocity and thermal fields together with the determination of the basic parameters as axial force, heating up and friction loss. Subsequently this model was applied for investigation influence of uneven bearing clearance. The problem task was solved by final volume method in Ansys CFX 12.0 software.
|
|
Fast Food Restaurant Business Plan
Hýbl, Jan ; Hartman, Ladislav (advisor) ; Habrmanová, Blanka (referee)
The aim of this diploma thesis is to execute a business plan for a business in the field of fast foods. The main goal of the business plan is to evaluate feasibility and practicability of this project. The master thesis is divided into two main sections: a theoretical and practical one. The first part describes the entrepreneurship, small & medium enterprises in Czech Republic and a business plan. Moreover, it focuses on theoretical background that consists of principles, methods and approaches that should be respected when writing a business plan. In addition, it describes parts of a business plan. The second part deals with the business plan for the project itself that is based on the theoretical background. The evaluation of this business idea in terms of its aspects is then provided.
|
|
Plasmodiophora brassicae on winter rape
Řičařová, Veronika ; Ryšánek, Pavel (advisor) ; Jaroslav, Jaroslav (referee)
Winter oilseed rape (Brassica napus) is an important crop in the Czech Republic. Clubroot disease caused by the pathogen Plasmodiophora brassicae Wor. is a serious and still-growing problem for oilseed rape growers. Research on P. brassicae in the Czech Republic is therefore important for the development of effective strategies to manage clubroot under Czech environmental conditions.
One of the aims of this study was monitoring of this pathogen. The disease was previously widespread in commercial vegetable production and in hobby gardens. Since 2010, oilseed rape clubroot started to spread across the whole country, whereas it had previously only been observed in the northeast. Clubroot occurrence was monitored for five years by the Union of Oilseed Growers and Processors on the basis of disease symptoms present on oilseed rape fields. The presence of P. brassicae and clubroot symptoms were reported in all regions of the Czech Republic, except the Ústecký Region, and in 31 out of 76 districts. At present, at least 130 fields are known to be infested by the pathogen, but this number is very likely underestimated. Some soil samples were also tested by conventional PCR (polymerase chain reaction) to evaluate the possibility of their usage. All 14 suspected samples tested positive by PCR.
The next aim was to evaluate the pathotype composition of P. brassicae populations from the Czech Republic, according to the three evaluation systems, and to determine soil inoculum loads for representative fields via traditional end-point PCR as well as quantitative PCR analysis. There were considerable differences between the populations of P. brassicae, and the number of pathotypes varied depending on the evaluation system and the threshold used to distinguish susceptible vs. resistant plant reactions. This is the first study comparing the effect of different thresholds. Using an index of disease (ID) of 25 % to distinguish susceptible vs. resistants reactions, there was a total of five pathotypes identified based on the differentials of Williams, five with the system of Somé et al., and 10 with the European Clubroot Differential (ECD) set. However, based on a threshold of 50%, there were five pathotypes according to the evaluation system by Williams, four based on the differentials of Somé et al. and 8 with the ECD set. Changing of the thresholds led to the reclassification of some pathotypes. Pathotypes 7 by Williams was the most frequent in both thresholds. High amounts of pathogen DNA were found in many of the field soils analysed by quantitative PCR.
Experiments with P. brassicae-resistant cultivars of winter oilseed rape were conducted in an infested field and greenhouse. In the greenhouse, six resistant cultivars were grown in infested soil collected from various fields in the Czech Republic and assessed for index of disease (ID %). The best results bring cultivar Mentor (2+- 0.7 %) closely followed by cultivar SY Alister (5+-1.1 %), the highest ID had cultivar CHW 241 (30+-3.8%). In the field experiment, seven resistant cultivars were grown, and disease development was monitored monthly. The lowest index of disease brought cultivar Andromeda (3+- 0.8 %) and PT 235 (4+-1.5 %), the highest ID has cultivar CWH 241(46 +- 6.5 %) in the first season and in the second season any cultivar achieved 25 % ID. Yields were measured at the end of the cropping season. The highest yield was achieved by cultivar SY Alister (6.1 t/ha) in the first season and cultivar PT 242 (5.03 t/ha) in the second season. The inoculum level was measured across the field by (qPCR), and a map of the infestation was created. The highest spore concentration was found on the field entrance. Collectively, the information obtained on the effectiveness of host resistance and pathogenic diversity of P. brassicae populations from the Czech Republic may help to more effectively manage clubroot in this country.
|
|
Rozvoj a aplikace digitální obrazové korelace
Jandejsek, Ivan
The presented work devotes to the methodology and related software development for Digital Image Correlation (DIC). DIC is used for experimental mechanics studies. It is the non-contact technique (Optical or X-Ray) that provides full-field and high resolution measurement of displacements and strains within an object subjected to loading.
|
|
Design in Tourism
Korcová, Natálie ; Jarolímková, Liběna (advisor) ; Bakos, Tomáš (referee)
The thesis deals with the position of design in tourism and is focused on the Czech Republic, mainly Prague. The thesis includes in consolidated form all the available information concerning design in tourism and can easily serve as an overview on the topic. Additionally in the final part it shows the ways how the design could be worked with in tourism and how it can be developed. There are discused two points of view -- the point of view of the service providers and the point of view of the institutions. The theoretical part deals firtsly with the connection between design and tourism, then with the importance of design attractivities in tourism and subsequently those are catagorized. The contribution of the theoretical part lays in setting design into wider context and defining its role in tourism. Besides that it also justifies the role of design from many points of view -- economic, psychological and environmental. The practical part deals with forms of intermediation of design in tourism and with activities of institutions in this field. The contribution of this part is defining the design-aware trends in activities of those institutions.
|
guest ::
