|
Effect of high temperature and water shortage stresses duration during anthesis on the selected winter wheat yield formation components
Hlaváčová, Marcela ; Rapantová, Barbora ; Surá, Kateřina ; Klem, Karel ; Hlavinka, Petr ; Trnka, Miroslav
The aim of this study was to assess the effect of drought and high temperatures on Tobak winter wheat variety during one of the most sensitive developmental stage (anthesis) from the viewpoint of harvest index (HI) and spike productivity (SP). The 5 growth chambers (where the plants were exposed to these stress factors) were used for these purposes. The various protocols consisting in photosynthetically active radiation (PAR) course, relative air humidity (RH) and daily temperature courses were run. The plants were divided into 2 groups within each growth chambers: (1) Drough-stressed (Dry) and (2) well-watered (Wet). Two lengths of stresses duration were tested: 3 and 7 days. The plants were exposed to ambient weather conditions up to the full maturity after stresses exposition within the growth chambers. Subsequently, the plants were harvested manually and HI and SP were evaluated. The statistical analyses showed that the effect of each stress factor separately was statistically significant both for HI and SP14, nevertheless, these two factors interaction was statistically significant only in the case of HI.
|
|
The Influence of Unbreakable Obstractles to Land Adjustmen Project
SMÍTALOVÁ, Lenka
The aim of this master thesis is evaluation of influence of unbreakable obstractles to land adjustment project. It contains literature review that describes all types of unbreakable obstacles, engineering network and easements. The attention is paid to influence of road construction on land resources organization in Mojné-Skřidla cadastral area. The line of R3 expressway is projected in this area. The practical part focuses on description of interest location, solution of lands annexation, separation of plots and increase of rural road network. Maybe the fourth transit railroad corridor modernization will affect land organization in this area.
|
|
Gas Microsensors Based on Self-Organized 3D Metal-Oxide Nanofilms
Pytlíček, Zdeněk ; Husák, Miroslav (referee) ; Kolařík, Vladimír (referee) ; Prášek, Jan (advisor)
This dissertation concerns the development, fabrication and integration in a gas sensing microdevice of a novel 3-dimensional (3D) nanostructured metal-oxide semiconducting film that effectively merges the benefits of inorganic nanomaterials with the simplicity offered by non-lithographic electrochemistry-based preparation techniques. The film is synthesized via the porous-anodic-alumina-assisted anodizing of an Al/Nb metal bilayer sputter-deposited on a SiO2/Si substrate and is basically composed of a 200 nm thick NbO2 layer holding an array of upright-standing spatially separated Nb2O5 nanocolumns, being 50 nm wide, up to 900 nm long and of 8109 cm2 population density. The nanocolumns work as semiconducting nano-channels, whose resistivity is greatly impacted by the surface and interface reactions. Either Pt or Au patterned electrodes are prepared on the top of the nanocolumn array using an innovative sensor design realized by means of microfabrication technology or via a direct original point electrodeposition technique, followed by selective dissolution of the alumina overlayer. For gas-sensing tests the film is mounted on a standard TO-8 package using the wire-bonding technique. Electrical characterization of the 3D niobium-oxide nanofilm reveals asymmetric electron transport properties due to a Schottky barrier that forms at the Au/Nb2O5 or Pt/Nb2O5 interface. Effects of the active film morphology, structure and composition on the electrical and gas-sensing performance focusing on sensitivity, selectivity, detection limits and response/recovery rates are explored in experimental detection of hydrogen gas and ammonia. The fast and intensive response to H2 confirms the potential of the 3D niobium-oxide nanofilm as highly appropriate active layer for sensing application. A computer-aided microfluidics simulation of gas diffusion in the 3D nanofilm predicts a possibility to substantially improve the gas-sensing performance through the formation of a perforated top electrode, optimizing the film morphology, altering the crystal structure and by introducing certain innovations in the electrode design. Preliminary experiments show that a 3D nanofilm synthesized from an alternative Al/W metal bilayer is another promising candidate for advanced sensor applications. The techniques and materials employed in this work are advantageous for developing technically simple, cost-effective and environmentally friendly solutions for practical micro- and nanodevices, where the well-defined nano-channels for charge carriers and surface reactions may bring unprecedented benefits.
|
|
Problems of legitimacy of the national and supranational political system in theory and practice
Belling, Vojtěch ; Kučera, Rudolf (advisor) ; Simíček, Vojtěch (referee) ; Kysela, Jan (referee)
The issue of legitimacy and sovereignty represents an increasingly important topic in scientific and political debates in the context of the ongoing multinational integration. There are essentially two basic theoretical approaches: the acceptance of the concept of legitimacy and sovereignty in the sense of derivability of all public authorities and the positive law from one abstract symbolic centre (its premise is differentiation, although not separation of state and society) or its refusal in the favour of plurality of power and "multi-level" system of political order which depends on this very pluralism. Although the proponents of pluralism try to posit the middle position between integration advocates and statist approach, their theory is in fact an extreme position, one which stands in clear contrast to traditional concepts of political theory, which counted on a particular fixed point in the standards and policies, and one which constitutes a basis for challenging the modern democratic constitutional system. In this work it is considered that the basic concepts of political theory, based on a certain constitutional order, themselves form and constitute the political and legal system. In this sense the constitution itself can be regarded as an attempt of enforceable constituting of political and social...
|
|
Morphometric analyse of Vinca minor populations in the CZU university collection
Závorková, Hana ; Karlík, Petr (advisor) ; Černý, Tomáš (referee)
Lesser periwinkle (Vinca minor) is pretty common, perennial and woody plant, for centuries disseminated for her aesthetic and medicinal use. The aim of this thesis is to try to identify, if individual subjects disseminated throughout the Czech Republic may come from one or more sources or clones. It was collected a total of 135 individuals throughout the Czech Republic, and these individuals were grown for several years in uniform climatic conditions in campus of the Czech Agricultural University in Prague. For these plants were then performed a morphological measurements and statistical evaluation was performed by programs Statistica12 and Canoco5. From data obtained this way was revealed that the morphological features of individual plants are dependent on the type of site, and therefore it is clear that individuals grown on historically verifiable sites probably originate from one or several clones. Another aim of this work is to determine whether the periwinkle occurring in the Czech Republic differ in their morphological and physiological characteristics such as stem length, length and width of leaf, petiole length, number of nodes on the flowering stem and the ratio length / width of the leaf. The results implies the fact that individuals differ in morphological features depending on the location of their occurrence, such as parks, churches, cemeteries and forests. The results further shows to us that location no. 2 differs significantly from the other locations in the length of the stem, leaf length, number of nodes and in the ratio length / width of the leaf. This is confirmed by the results of the program as Statistica12 and the results of the program Canoco5.
|
|
Construction of Identity in the Emotional Culture
Prýmková, Karolína ; Balon, Jan (advisor) ; Holeček, Tomáš (referee)
Rigorous thesis Construstion of Identity in the Emotional Culture deals with possible changes in the construction of identity of man after the fall of the millenium. The thesis stems from Eva Illouz's description of society which states that our present society is unprecedently emotional and rational at the same time. The goal of this thesis is to advocate the intitial statement, that in this organization of society the main source for construction of identity is no longer the consumption of material goods as it put notable social theorists since the second half of the twentienth century. I do not state that this remarkable era is fully over now, but I would like to point out, that consumption of material goods is loosing its strength in the process of identity construction due to the overall increasing living standards and mainly due to the fragmentarization of lifestyles. Considering the unprecedently high level of penetration of our society with emotion I consider them to be the new source of identity creation.
|
|
Film music of Luboš Fišer
Kršáková, Leticia ; Zobač, Jiří (advisor) ; Bláha, Ivo (referee)
This paper talks about the film music composed by Luboš Fišer (30.9.1935 - 22.6.1999) who was one of the most famous and fruitful Czech composers of the film and television music. Although the paper focuses primarily on Fišer?s composition of film music, it is necessary to marginally mention also his creation of television music and his concert composing of "classical" music. The paper is divided according to the timeline to individual chapters, following creative activity of the composer in different decades in the second half of the 20th century. From the inexhaustible and diverse range of films, for which L. Fišer composed music, the greatest attention is devoted to three films, Morgiana (1972), Death of the beautiful deer (1986) and Golet in the valley (1994). My intention is to identify the specific procedures of the composer's creative expression on the basis of music´s analysis of these three selected works. Based on which the paper wants to bring closer attention to the specific examples of Fišer?s compositional principles and the general characteristics of the Fišer?s film music.
|
|
Economic growth possibilities of the poorest countries
Hrubý, Vít ; Lipka, David (advisor) ; Minárik, Pavol (referee)
The thesis deals with the topic of economic growth of the poor, least developed countries. For this group of countries, which includes most of sub-Saharan Africa, is characteristic that for the last half-century this group has shown no significant economic growth per capita. This fact is surprising at first glance if compared with other economic development groups of the developing world. Economic differences between the least developed countries on the one hand, and emerging and developing countries on the other hand, are increasing despite efforts by international development agencies. I intend to answer the question, what are the causes of poor economic performance of the least developed countries.
|
|
Preaching Activities of Origen and John Chrysostom
Hudec, Jonatan ; Filipi, Pavel (advisor) ; Beneš, Ladislav (referee)
This work would like to point out to the preaching activities of Origen and John Chrysostom. At first it approaches the Christian preaching in the first centuries, in general. It deals with the individual topics used for the word of preaching at that time, attempts to classify the sermons according to different categories and also mentions the way in which the sermons were preserved, touching upon the question of authorship. The work also analyses the problems of the preaching activities of the fathers. In addition it also offers parts dedicated to the origins of the preaching and the circumstances in which they were created or pronounced. The main topic of the work is the oeuvre of the authors Origen and John Chrisostom, as well as the context of their preaching activities. Gradually, the work addresses Origen and the translation of his eleventh sermon on Jeremiah and offers a study of this sermon. The work also attends to Chrisostom and his activities as a preacher, again including the translation of one of his sermons. It is the sixth sermon on the Book of Genesis and its further analysis. Powered by TCPDF (www.tcpdf.org)
|
|
Constuction of Identity in the Emotional Culture
Prýmková, Karolína ; Balon, Jan (advisor) ; Holeček, Tomáš (referee)
Diploma thesis Construstion of Identity in the Emotional Culture deals with possible changes in the construction of identity of man after the fall of the millenium. The thesis stems from Eva Illouz's description of society which states that our present society is unprecedently emotional and rational at the same time. The goal of this thesis is to advocate the intitial statement, that in this organization of society the main source for construction of identity is no longer the consumption of material goods as it put notable social theorists since the second half of the twentienth century. I do not state that this remarkable era is fully over now, but I would like to point out, that consumption of material goods is loosing its strength in the process of identity construction due to the overall increasing living standards and mainly due to the fragmentarization of lifestyles. Considering the unprecedently high level of penetration of our society with emotion I consider them to be the new source of identity creation.
|
guest ::
