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1		ii Abstrakt Tato bakalářská práce se zabývá vápenci Českého krasu a možnostmi jejich využití na anorganická stavební pojiva, konkrétně na hydraulická vápna a přírodní cementy. V prvních kapitolách je představeno a charakterizováno území Českého krasu, jeho stavba a geologický vývoj. Rozsáhleji jsou popsány dvě nejdůležitější období formování tohoto území - silur a devon. V úvodní části práce je nastíněna i historie těžby a zpracovávání vápenců v Českém krasu. Dále je uvedena petrografická charakteristika vápenců, tedy jejich mineralogické a chemické složení, vnitřní stavba (struktura a textura), jejich klasifikace, vznik a diageneze. Podobným způsobem práce uvádí do problematiky anorganických stavebních pojiv. Zabývá se jejich rozdělením, charakteristikou a hodnocením jejich vlastností. Větší důraz je kladen především na představení hydraulických vápen a přírodních cementů, jimiž se práce primárně zabývá. Menší kapitola je věnována jednotlivým typům vápenců a jejich možnému uplatnění. Podstatnou náplní práce je samotné vyhodnocení vápenců jako možné suroviny pro výrobu již zmiňovaných hydraulických vápen a přírodních cementů. V příloze jsou uvedeny tabulky upřesňující hodnocení vápenců a především tabulky s chemickými analýzami vápenců a výpočty, ze kterých vychází jejich zhodnocení. Navíc je v příloze,...
1		ii Abstrakt Tato diplomová práce je zaměřena na podhodnocování prvotní emise akcií. Možnou signalizaci pomocí podhodnocování prvotní emise zkoumáme na datech z polské burzy v období 2005 - 2010 s využitím signálního modelu. Vzhledem k výjimečnosti polských dat se též zabýváme signalizováním pomocí podhodnocování prvotní emise akcií v případě vlády, která může používat signalizování k budování reputace. Výsledky ukazují statisticky významné pozitivní efekty podhodnocování prvotní emise na pravděpodobnost opakování emise i na její velikost. Tyto výsledky jsou konzistentní s předpověďmi signálního modelu. V souladu se signálním modelem je i negativní vztah podhodnocování prvotní emise a dobou mezi primární emisí a opakovanou emisí. Nenalezli jsme žádné statisticky významné známky toho, že vláda se snaží využít podhodnocení prvotní emise a prodeje vysokého podílu v rámci primárních emisí jako signálu pro budování reputace privatizačních politik.
1		ii Abstrakt Tato rigorózní práce se zabývá Lafferovou k ivkou. Teorie Lafferovy k ivky nám íká, že pokud výše da ové sazby p ekro í ur itou mez (da ová sazba maximalizující p íjmy), tak da ové výnosy budou dále v absolutních íslech klesat se vzr stající da ovou sazbou. Proto se tato práce snaží zjistit, zda jsou tyto skute nosti platné pro da z p íjmu korporací pro 20 OECD zemí v asovém období od roku 1965 do 2006. Struktura práce m že být rozd lena do t í ástí. V prvních dvou úvodních kapitolách bude krátce diskutována historie a teorie zdan ní a da ových systém . Druhá ást práce se zam í na Lafferovu k ivku. T etí kapitola prozkoumá teorii Lafferovy k ivky a bude diskutovat její vlastnosti pro r zné druhy daní. V následující kapitole je zhodnocena literatura týkající se možných zp sob odhad této k ivky a Lafferových efekt . Pátá kapitola se pak zam uje na korporátní da z p íjmu a zkoumá vývoj da ových sazeb a státních výnos v našem vzorku zemí. V poslední ásti této práce jsou prezentovány ekonometrické odhady Lafferovy k ivky pro da z p íjmu korporací. Nejd íve je Lafferova k ivka odhadnuta pro t i vybrané zem a poté pro celý vzorek 20 OECD zemí na základ panelových dat. Záv re ná sekce poté iní záv ry z naší analýzy, p edevším potvrzuje, že tradi ní tvar Lafferovy k ivky pro korporátní da z p íjmu byl ov...
1		ii CHARLES UNIVERSITY Faculty of Science Department of Physical and Macromolecular Chemistry Doctoral Thesis Theoretical Study of Branched Polyelectrolytes by Varvara PROKACHEVA Abstract This thesis is dedicated to the theoretical study of branched pH-responsive polyelec- trolytes including stars, molecular brushes as well as hydrogels in dilute aqueous salt solutions. It was investigated how external parameters, such as ionic strength, pH, and solvent quality affect the properties and the internal structure of those poly- electrolytes. The study was carried out by the development of an analytical theory which results were validated by the numerical Scheutjens-Fleer self-consistent field method as well as Monte Carlo and molecular dynamics simulations. A competition between electrostatic repulsions with short-range solvophobic in- teractions leads to complex patterns within intramolecular self-organization of bran- ched polyelectrolytes. That results in the formation of domain structures, in partic- ular, core-shell and pearl necklace structures in stars and molecular brushes, respec- tively. These domains are formed by almost neutral collapsed chains and stabilized by stretched and ionized chains. This study is relevant both in terms of creating new functional polymer materials for a wide range of...
2		II fattore decisivo che ha provocato, nella prima meta degli anni novanta, la fine del sistema della Prima repubblica italiana, giá nella profonda crisi, é stato un intervento inaudito della magistratura, scatenato dalla Procura di Milano nel febbraio 1992, da dove si é diffuso velocemente e ha gardualmente investito tutto il paese. Rappresentanti del mondo económico ma soprattutto di quello político sono stati imputad di vasta corruzione e violazione sistemática della legge sul finanziamento dei partid e con un massicio supporto dei masmedia e dell'oppinione pubblica sono stati sottoposti ai processi penad e degradanti. La serie di indagini chiamata "Mani pulite" ha smantellato nel corso di due anni la prima repubblica con il suo intero ceto di governo e i suoi partiti tradizionali i quali sono sontanzialmente scomparsi. L'interpretazione comune dell'azione dei giudici italiani li presenta come salvatori del paese corrotto governato dal ceto di governo crimínale che é stato il responsabile único della profonda degenerazione del sistema. L'obbiettivo di questa tesi consiste nel mostrare, attraverso un'analisi delle radici dei problemi del sistema e degli aspetti importanti dell'azione dei guidici, che si tratta di un'interpretazione superfíciale e sbagliata. La prima repubblica italiana era un sistema...
2		ii SUMMARY In the NW part of Bohemian massif occur small bodies of mafic intrusive rocks. These rocks are called redwitzites and they include various rock types from diorites to quartz gabbros. They are always close to granites OIC (old intrusive complex). They are probably precursors of Late Variscan granitoid magmatism. Small body of redwitzites is situated near Abertamy (7 km NW of Jáchymov) in the western part of Krušné hory Mts. This body is inhomogeneous; it is formed by two types of mafic rocks. Both rocks distinguish in mineralogy and chemistry. First type, biotitic gabronorite, forms the western part of the body, another type, biotitic - hornblende quartz gabrodiorite, forms the NE part. The expressive sign of Abertamy redwitzites are flakes of brown biotite which can be as large as 2 cm. They are often poikilitic. Gabronorite is a fine-grained green-grey rock consisting of orthopyroxene, biotite, feldspar, quartz and hornblende. Most of the mafic minerals are altered to uralite. Accessories are represented by apatite, zircon, monazite, allanite and sphene. From the chemical point of view is gabronorite enriched in compatible elements (Mn, Fe, Mg, Ni, Cr, Sc, V, Ca, Co, Zn, Cu). Gabrodiorite is medium-grained rock and it is collored light gray. Its composition is similar to the gabronorite. It does...
1		ii SUMMARY The smelter in Mufulira is one of the several active copper smelters in Copperbelt area in Zambia. It had operated for almost 70 years and during that period all offgas and dust were released into the atmosphere. Six profiles, three of them beneath trees, were sampled in the distances of 3.6, 8 and 24 km from the smelter. Each profile consisted of 9-10 layers collected continuously from the topsoil till depth of 60-70 cm. Following parameters were measured for each layer: pH, TC, TS a CEC, then total concentration of Ag, As, Al, Fe, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Sn, V a Zn and extractability by EDTA. The total concentrations of metals/metalloids were measured by ICP-OES and quadrupole- based ICP-MS. TC and TS were determined by thermal analysis and mobility of metals was assessed according to their extractability by EDTA. The aim of this work was to compare vertical distribution and mobility especially of these metals Co, Cr, Cu, Pb, V and Zn among profiles. Finally a standardized toxicity test was performed with ten selected layers (include all top soils) from all profiles. This reproductive test with Enchytraeus crypticus reflected how tested soil samples were suitable for living and reproducing this specimen of invertebrates. Generally the total concentrations of metals decreased in...
1		ii Summary This bachelor thesis is focused on the possible use of limestones from the Český kras area for the preparation of alternative inorganic binders, namely for hydraulic limes and natural cements. In the introductory chapters, the geology of Český kras is described. Silurian and Devonian beds make the most important lithostratigraphic members. Then, the history of limestone exploitation and processing is explained. It is followed by the petrographical characteristic of limestone - its mineralogical and chemical composition, the structure and the texture, the classification, the genesis and the diagenesis. Major part of the thesis focuses on inorganic binders - their basic characterization and evaluation. Limestones are discussed from the point of their general use in the industry. The limestones from the Český kras area are analyzed based on their chemical composition (based on the previously reported data) and evaluated for the potential use for burning of hydraulic limes and natural cements.
2		ii SUMMARY This master thesis deals with selectivity assessment of an arsenic sequential extraction procedure for evaluating mobility in mine wastes. A modified sequential extraction procedure was designed on the basis of preliminary tests of extraction efficiency and selectivity for the synthetic As mineral phases (scorodite, amorphous iron arsenate, schwertmannite, goethite, jarosite) and five natural samples (Kaňk, Dlouhá Ves, Giftkies, Roudný) that were previously characterized for As concentration and speciation. The modified sequential extraction has five steps. The first leaching step was performed in nitrogen-purged deionized H2O for 10 hours; next step involved 0.01M NH4H2PO4 leaching for 16 hours. Phases in the third step were dissolved with 0.2M Tamm`s reagent in darkness for 2 hours. The fourth step was represented by 0.2M of Tamm`s reagent heated in water bath at 80řC for 4 hours. Strong acid solutions HCl/KClO3/HNO3 were used to leach sulphide phases in the last step. The testing of the sequential extraction procedure using model mixtures showed a good discrimination of several fractions: adsorbed arsenic, arsenic associated with poorly crystalline oxyhydroxide, hydroxosulfate and arsenate phases (amorphous iron arsenate, schwertmannite, ferrihydrite), arsenic associated with crystalline...
2		II Title History interpretation in Fred Wander's literary works Abstract The topic of this diploma thesis is an interpretation of events during the Second World War in Fred Wander's literary work, an important representative of German written literature in the past century. The first chapter presents Fred Wander's life and work and is based on Wander's own autobiography and interviews. The following chapters are dedicated to individual analysis of his three writings: Der siebente Brunnen, Ein Zimmer in Paris and Hotel Baalbek. Wander especially focuses on mediating concrete personal life stories during that epoch. Hotel Haalbek work captures a situation during the first years of the war in the southern France. Der siebente Brunnen describes prisoners' lives in a concentration camp. Wander dedicates Ein Zimmer in Paris work to the topic of how to cope with war experience. The main target of this diploma thesis is about an interpretation of selected themes which are crucial for the mentioned works. It also points to the importance of history rendering in the writings by the author. Keywords Fred Wander, holocaust literature, the Second World War, judaism