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Dissertations / Theses on the topic 'Impaktor'

Author: Grafiati
Published: 28 June 2021
Last updated: 29 July 2025

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1

Kodad, Daniel. "Impaktor pro laboratorní záchyt jemných částic." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443199.

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The focus of this master’s thesis is the issue of fine dust particles suspended in the air and their measurement. The thesis explains the basic characteristics of fine particles and the rules, which they follow. The section then examines the health risks of inhaled particles. Next is explained the influence of particles in the air on the environment, the historical development of the air pollution in the Czech Republic and the most important pollutants. After that is described the legislation, which frames the limits for pollutants suspended in the air. In the practical part is described the m
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2

Kadrmas, Lukáš. "Homogenní kapota - chování při nárazech impaktorem hlavy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228590.

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This thesis deals with the subject of crash tests Euro NCAP, concretely child-head impact test to the car bonnet. Object of thesis is make homogeneous car bonnet, where will remove stiffness places and also the bonnet global stiffness won´t be worst. The bonnet must carry out limits for pedestrian protection.
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Jaška, Lukáš. "Simulace nárazu vozidla na dolní končetinu chodce." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-377357.

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This thesis seeks to simulate the impact on the human foot on the car bumper. The opening section deals with requirements as to the current passive safety features aiming to mitigate the consequences of such impact. The thesis also describes the construction of a human foot impactor, its certification via both static and dynamic tests, a simulation of the cash test and its evaluation. The designed model as well as the simulation procedure have been led according to the current Euro NCAP specifications.
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Coufal, Tomáš. "Studie vlivu vlastností materiálu na simulaci nárazu hlavy chodce na kapotu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228589.

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The thesis describes the complex of basic testing procedures conducted by Euro NCAP company with a view to the examination of pedestrian protection in accordance with EEVC WG 17 and topical instruments used at passenger vehicles for pedestrian protection. It includes a detailed procedure of the creation of an adult head impactor including its certification and the formation of its impact on the bonnet of the vehicle. It is specialized in the studies how material properties influence the size of HIC criterion.
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Kysilko, Vít. "Optimalizace HIC kritéria při nárazu impaktorem hlavy na kapotu auta." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230463.

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Kvůli stále značnému počtu usmrcených chodců při dopravních nechodách se výrobci automobilů snaží pomocí vhodné konstrukce automobilu zmírnit následky způsobené nehodou. Při srážce impaktoru hlavy s kapotou automobilu dochází ke zpomalení impaktoru a na toto zpomalení je aplikováno HIC kitérium. HIC kritérium vyhodnocuje míru možnosti poranění hlavy při srážce. Cílem diplomové práce je výběr nejvhodnějšího časového průběhu zpomalení dětského impaktoru hlavy při srážce s kapotou automobilu Škoda Superb II z hlediska HIC kritéria a navržení konstrukčních úprav kapoty a okolních částí, které se d
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Václavík, Ondřej. "Studium otěruvzdorných vrstev vytvořených laserovým naplavováním pomocí metody dynamického rázového impaktoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230536.

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Diploma thesis studies the layers created by laser cladding and method of testing abrasion resistance of these layers using the method of dynamic shock impactor. In the theoretical part describes laser technologies and their applications, hardness testing and methods of testing of coatings. Proposed by the mechanical testing of the selected materials were carried out and evaluated in the experimental part. The conclusion summarizes final results of the experiment.
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7

Mišík, Ondrej. "Inhalátory a nebulizátory pro použití v medicíně: principy, spolehlivost a provozní parametry." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399566.

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An issue of inhalation therapy is a complex topic, actively discussed in last decades, and its progress in various scientific fields is more than required. First part of this thesis brings a theoretical introduction into principles of aerosol therapy and into the requirements resulting from them. Commonly available technologies of inhalers and nebulisers for medical usage, parameters that determinate their effectivity are briefly described. Usage mistakes influencing the effectivity of inhalation are discussed, as well. Second part deals with experimental measurements of aerosol that selected
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8

Václavík, Jiří. "Posouzení informačního systému ve společnosti Impakt fitness a návrh změn." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-414323.

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This diploma thesis analyses a company providing complex sport services in a Vyškov region. The analysis assesses the information system of the organization to understand its position. It identifies the strengths, weaknesses, opportunities, and threats to use it as a foundation for a new company IT strategy.
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9

Wernet, Ruth [Verfasser], and M. [Akademischer Betreuer] Seipenbusch. "Impaktion und Fragmentierung von Nanopartikeln im Niederdruck und Hochvakuum / Ruth Wernet ; Betreuer: M. Seipenbusch." Karlsruhe : KIT-Bibliothek, 2018. http://d-nb.info/1166234223/34.

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10

Acone, Alessia <1986&gt. "Lo sviluppo strategico delle organizzazioni di produzione culturale : il caso Stichting Impakt." Master's Degree Thesis, Università Ca' Foscari Venezia, 2013. http://hdl.handle.net/10579/2427.

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Il progetto di tesi magistrale si propone di analizzare lo sviluppo strategico delle organizzazioni di produzione culturale. L’analisi vuole fornire un contributo su alcuni elementi e aspetti riguardanti in particolare il problema strategico. Ci si propone infatti di approfondire se e in che modo esse si caratterizzano significativamente per un orientamento strategico specifico e differente alle altre organizzazioni di produzione. Si farà riferimento, come caso studio, alla Impakt Foundation (Stichting Impakt), fondazione attiva nel territorio della città di Utrecht da circa vent’anni, applica
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Correia, Lukus Meides Sarmento. "Impacto do desenvolvimento do turismo nas condições socioeconómicas e ambientais no subdistrito de Tutuala." Master's thesis, Universidade de Évora, 2014. http://hdl.handle.net/10174/13029.

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O Plano Estratégico de Desenvolvimento Nacional de Timor- Leste abrange três áreas fundamentais: capital social, desenvolvimento de infra-estruturas e desenvolvimento económico. O sector do turismo foi considerado desde logo como um sector importante para este plano por trazer benefícios económicos e gerar emprego para os jovens, com especial incidência no Subdistrito de Tutuala, Distrito de Lautem o qual é apontado como uma referência turística na zona mais leste do país. O propósito deste trabalho é efetuar um estudo de opiniões e repercussões socioeconómicos e ambientais que o desenvolvimen
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Erhart, Tobias. "Strategien zur numerischen Modellierung transienter Impaktvorgänge bei nichtlinearem Materialverhalten." [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11730049.

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Holsten, Anne. "Climate change vulnerability assessments in the regional context." Phd thesis, Universität Potsdam, 2013. http://opus.kobv.de/ubp/volltexte/2013/6683/.

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Adapting sectors to new conditions under climate change requires an understanding of regional vulnerabilities. Conceptually, vulnerability is defined as a function of sensitivity and exposure, which determine climate impacts, and adaptive capacity of a system. Vulnerability assessments for quantifying these components have become a key tool within the climate change field. However, there is a disagreement on how to make the concept operational in studies from a scientific perspective. This conflict leads to many still unsolved challenges, especially regarding the quantification and aggregation
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14

Krüger, Lutz. "Untersuchungen zum Festigkeits-, Verformungs- und Versagensverhalten der Legierung Ti-6-22-22S in Abhängigkeit von der Temperatur, der Dehngeschwindigkeit und dem Spannungszustand." Doctoral thesis, Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100265.

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Untersuchung des Verhaltens der Fließspannung und der Verformungsfähigkeit der Titanlegierung Ti-6-22-22S in Abhängigkeit von der Temperatur, der Dehngeschwindigkeit und dem Spannungszustand. Nachweis der thermischen Aktivierung der Versetzungsbewegung bis zu Dehngeschwindigkeiten von 10^5 1/s für diesen Werkstoff. Beschreibung des Versagens als Funktion der Temperatur, der Dehngeschwindigkeit und des Spannungszustandes. Erarbeitung einer Prüfmethode zur Charakterisierung des Scherverhaltens unter hohen überlagerten Druckbelastungen.
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15

Verš, Evelin. "Development of impact-induced hydrothermal system at Kärdla impact structure /." Tartu, Estonia : Tartu University Press, 2006. http://dspace.utlib.ee/dspace/bitstream/10062/187/1/verzevelin.pdf.

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Dostálová, Dagmar. "Využití různých frakcionačních technik pro studium struktury ICP." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2015. http://www.nusl.cz/ntk/nusl-217144.

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Impact E/P copolymer (ICP) is produced using gas-phase polymerization catalysed by Ziegler-Natta catalysts. This material with its excellent mechanical properties is used in many industries, for example in automotive industry to produce bumpers or instrument panels. Its properties depend on chemical structure which was analysed using DSC, 13C NMR and GPC. It was used 6 different samples of ICP for studies, the chosen samples have different ratio between ethylene and propylene in their copolymer phase. The samples were fractionated using preparative TREF and solvent extraction to obtain fractio
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Hrabovský, Jozef. "Kvantifikace mechanismů hydraulického odstranění okují." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-234002.

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The issue of descaling is an important part of the forging and heat treatment of steel and semi products of steel production. Rising of new information and study of this process can increase efficiency and improve the surface quality after descaling. This thesis is focused on the mechanisms of the high pressure hydraulic descaling qualification and study of the chemical compounds of which the scales grown. To achieve all goals of this work and to get a comprehensive view of descaling process, few experimental measurements and numerical analyses were performed. All experimental measurements wer
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18

Václavík, Tomáš. "Návrh a dispoziční uspořádání vysokotlaké čerpací stanice." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228753.

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The aim of diploma thesis is design and lay-out of high pressure pumping station with plunger pumps for splash of scales from slabs of hot-rolled. Theoretic (introduction) part of this thesis contain description of formation of scales and description of ways how it is possible remove these scales. And this part contains also explication of effect of water jet on solid material. The practical part of diploma thesis is focused on design of pumping station including of dimensioning of machinery. Part of this work is also technical documentation for proposed pumping station and specification of ma
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19

Curosu, Iurie. "Influence of fiber type and matrix composition on the tensile behavior of strain-hardening cement-based composites (SHCC) under impact loading." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-233204.

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Strain-hardening cement-based composites (SHCC) are a special class of fiber-reinforced concrete which develop multiple, fine cracks when subjected to increasing tensile loading, reaching strain capacities of up to several percent. The tensile behavior of SHCC is a result of a purposeful material design accounting for the mechanical and physical properties of the cementitious matrix, of the reinforcing fibers and of their interaction. The exceptionally high energy dissipation through inelastic deformations before reaching tensile strength makes SHCC suitable for manufacturing or strengthening
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Votavová, Helena. "Vývoj nových přístupů v odstraňování okují při kontinuální výrobě oceli s využitím vysokotlakého vodního paprsku." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401607.

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The thesis summarizes general and up-to-date knowledge of descaling during the continuous production of the hot-rolled steel and proposes further streamlining of this process in industrial production. The first chapter of the thesis deals with the origin, structure and physical properties of the scales. The second chapter describes the principles of descaling by using a high pressure flat water jet. The third chapter introduces the principles of the experimental methods and describes the used laboratory equipment. The fourth chapter summarizes the description of the particular experiments and
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Morén, David, and Georg Pehrs. "Study of Vehicle-to-Pedestrian Interactions with FEM – Evaluation of Upper Leg Test Methods using a Human Body Model." Thesis, KTH, Skolan för teknik och hälsa (STH), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123953.

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The European New Car Assessment Programme (Euro NCAP) performs several different tests to evaluate vehicles and rate their safety. Some of these tests are subsystem tests made to mimic different body parts of a pedestrian in an interaction with a vehicle. However, some criticism to the test method for the upper leg has been presented, stating that there is a discrepancy between this test method and a real-life interaction. Therefore, a modified test method for the upper leg has been proposed. The aim of this thesis was to evaluate the upper leg test method used today by Euro NCAP, and compare
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Molčan, Filip. "Vliv omezujících stěn na proudění z ventilační vyústky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378274.

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The goal of this work is to experimentally assess the influence of limiting walls of Škoda Octavia 3 automobile cabin to the air jet flowing from the right-front situated automotive vent which is part of a car dashboard. The experiment is performed by the smoke visualization method. There is a single construction option measured for an experiment. The setup of the vanes direction and the air flow rate are modified for this option. The experiment is divided into two phases. In the first phase, the visualization of the free air flow is conducted. In the second phase, exit plates are constructed
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Odehnal, Ondřej. "Simulace průrazů kompozitních panelů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318146.

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This master thesis focuses on modelling and simulation of impact tests of composite panels. Simulations and analysis were made by using Finite Element Method in software MSC Patran and Dytran. The first part of the thesis deals with describing the properties of composite panels during impact testing and other cases of impacts on composite structures. Next part deals with the used models and results from Dytran. These results are compared with experimental data from real low-velocity impact tests. Part of the thesis is devoted to impact on panels with the stacking sequences which is supposed to
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Rootenberg, Cindy. "A model of perceived impacts of tourism on residents' quality of life in selected towns / C. Rootenberg." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9825.

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Worldwide tourism has become one of the largest and fastest growing industries. Specifically in the South African context, this growth has been confirmed in recent statistics. However, the growth in the tourism industry does not occur without challenges. It brings both benefits and costs to the residents of a host community, consequently generating both positive and negative tourism impacts. Further, it is recognised that once a community becomes a tourism destination, the lives of the residents are influenced by that particular development; thus effecting their Quality of Life (QoL). Only min
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Vavrečka, Lukáš. "VLIV PARAMETRŮ VYSOKOTLAKÉHO OSTŘIKU NA KVALITU ODOKUJENÍ." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233948.

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This work is focussed on hydraulic descaling of hot surfaces. Hydraulic descaling is a process when layers of oxides are removed from hot steel surfaces during continuous rolling. High pressure water beam is used. Quality of descaled surfaces is important for final quality of rolled product. Insufficient descaling causes drop of final quality, degradation of rolls and lost of yields. High-pressure water beam has two effects on a scale layer. The first effect is mechanical caused by impact pressure. The second one is a relatively intensive thermal shock depending on a set of parameters (water p
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Weidemeyer, Sven. "Taxonomie, Paläoökologie und Paläobiodiversitätsdynamik benthischer Mollusken an der Kreide-Paläogen-Grenze von Patagonien." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2009. http://dx.doi.org/10.18452/16031.

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Aus Patagonien lagen bisher wenige Daten zu paläoökologischen Veränderungen und zur Paläobiodiversität an der Kreide-Paläogen (K/Pg)-Grenze vor. Um diese Lücke zu schließen, wurden in den argentinischen Provinzen Neuquén und Chubut zahlreiche Profile im Bereich der K/Pg-Grenze detailliert beprobt. Während einer Planktonkrise, wie sie für die K/Pg-Grenze angenommen wird, werden für benthische Mollusken folgende Entwicklungen erwartet: 1. eine Abnahme der Individuenzahlen der Benthosorganismen, 2. eine Abnahme der vom Plankton als Nahrungsquelle direkt abhängigen Organismen, 3. eine Abnahme der
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Bilarev, Todor. "Feedback Effects in Stochastic Control Problems with Liquidity Frictions." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19592.

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In dieser Arbeit untersuchen wir mathematische Modelle für Finanzmärkte mit einem großen Händler, dessen Handelsaktivitäten transienten Einfluss auf die Preise der Anlagen haben. Zuerst beschäftigen wir uns mit der Frage, wie die Handelserlöse des großen Händlers definiert werden sollen. Wir identifizieren die Erlöse zunächst für absolutstetige Strategien als nichtlineares Integral, in welchem sowohl der Integrand als der Integrator von der Strategie abhängen. Unserere Hauptbeiträge sind hier die Identifizierung der Skorokhod M1 Topologie als geeigneter Topologue auf dem Raum aller Strate
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Kozáková, Jana. "Vliv lokálního topení na kvalitu ovzduší ve vnitřním a venkovním prostředí malého sídla." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-297658.

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Increased concentrations of particulate matter do not occur in urban areas only, they occur in winter time episodes of high concentrations in small settlements, as well. It is probably caused by usage of solid fuels in domestic heating. The indoor air quality is closely influenced by the outdoor air pollution. Concentrations of size-separated PM were measured by a cascade impactor (PCIS) during two winter and one summer seasons in the years 2009 and 2010 in a village Svrčovec situated near the town Klatovy. Continuous concentrations of PM2.5 were measured in parallel by using a commercia
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Kozáková, Jana. "Studium velikostně rozlišeného atmosférického aerosolu pomocí kaskádních impaktorů." Doctoral thesis, 2018. http://www.nusl.cz/ntk/nusl-392478.

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This dissertation includes two main research projects: 1) the investigation of the intermodal fraction and 2) the influence of regional air pollution transport on Ostrava. Introduction and aim of the first project. Fine and coarse particulate matter (PM) of atmospheric aerosol are considered as separate pollutants and overlap in the particle size range of about 1 - 2.5 μm (aerodynamic diameter dae; PM1-2.5) which represents the intermodal fraction. Sources of both fine and coarse fractions contribute to PM1-2.5 to different extents due to changing meteorological and spatial conditions. Therefo
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Fanta, Ondřej. "Biomechanická odpověď na impaktní zátěž crania." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-275635.

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Biomechanical response to the impact cranio burden is especially closely related topic the biomechanics of head injuries on impact, often in a car accident. Acquired knowledge can be applied in all activities in which there is a head on collision obstacle. Mechanisms responsible accidents in sports, such as falls cycling, lyžích or due to the nature of sport itself, eg. boxing, rugby, ice hockey, etc. The study has to outline a comprehensive overview and sequence of events and biomechanical patterns, which occurs when the head impact into obstacles. The main challenge will be to physically and
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Sedláček, Jozef. "Metodické možnosti posuzování vizuálního impaktu v procese EIA." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-425536.

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The aim of the thesis is to propose a methodical approach that would include aspects of visual landscape assessment, emphasis on historical and perceptual values of the area and was applicable in the EIA process. The aim is the applicability of the proposed methodology in the assessment of new projects by the management of heritage care, especially in the process of environmental impact assessment (where the management of heritage care is concerned by the state administration body concerned), but also in other proceedings. The procedure should not replace subjective assessment or landscape sur
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Badal, Tomáš. "Impakt zvěře na dřeviny na LHC Lesy města Prostějova." Master's thesis, 2007. http://www.nusl.cz/ntk/nusl-93473.

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Scholtz, Marco. "A critical assessment of the social impacts of tourism in selected South African communities / Marco Scholtz." Thesis, 2014. http://hdl.handle.net/10394/11974.

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Understanding the social impacts of tourism is important as it enables tourism managers and developers to manage the impacts toward fostering vital community support for the industry. More so the distinction between the tangible and intangible social impacts can refine tourism management, development and marketing processes. The measurement and management of these impacts are fairly straight forward in developed countries. However in developing countries, such as South Africa, more challenges exist in identifying and managing their impacts to the benefit of a wider community. South Africa has
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Mareček, Lukáš. "Ekologické aspekty impaktu hrabošů (Microtus spp.) a norníka rudého na výsadby buku lesního v pohoří Hrubý Jeseník." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-178731.

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In the mountains Hrubý Jeseník was the 18 monitoring plots in the years 2010-2013 conducted tramping of small mammals, inventory damage gnaw the bark of the beech forest plantations and the measured data to investigate the factors influencing the impact of small mammals. Small mammals were then evaluated in terms of dominance, impact on planting and statistically analyzed factors affecting impact. The results show that the dominant group were representatives Arvicolinae (n= 512, 62.4%): Clethrionomys glareolus (n= 306, 37.3%), Microtus agrestis (n= 181, 22.1%), Microtus arvalis (n=23, 2.8%), M
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Baláž, Gabriel. "Distribuce jelení zvěře v závislosti na typu vegetace a její vliv na keřové patro." Master's thesis, 2009. http://www.nusl.cz/ntk/nusl-86661.

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Chytilová, Martina. "Vliv stabilizačních cvičení pletence ramenního na svalovou aktivitu při přímém impaktu u hráčů ragby se subakromiálním impingement syndromem." Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-349033.

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Title: The effect of shoulder girdle stabilization exercises on muscle activity during direct impact in rugby players with sub-acromial impingement syndrome Objectives: Comparison of muscle activity during direct impact while performing the rugby tackle to tackle bag and to player using amplitude analysis of electromyographic signal (EMG) before and after intervention programme for players with subacromial impingement syndrome (SIS). Application of intervention programme consisting stabilization excercises for shoulder complex and activation of deep stabilization muscles of the spine. Methods:
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Klaclová, Marie. "Drobní zemní savci hospodářských lesních porostů Jeseníků." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-95148.

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Slanina, Libor. "Faktory ovlivňující míru okusu spárkatou zvěří na jedlových kulturách." Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-88580.

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Lulák, Martin. "Vývoj reliéfu v oblasti impaktního kráteru Siljan." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-335134.

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Impact events and associated processes can significantly reshape the natural environment of the Earth and other bodies in the Solar system. The Siljan impact crater in the middle of Sweden was created in late Devonian and it is the biggest known morphostructure of this kind in Europe. The presented paper aims at the relief evolution of the Siljan impact crater area. Landforms of the region are studied, including relicts of the impact event, and main stages of relief evolution from the Paleozoic to the present are determined. Special attention is focused to discussion about the range and types
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KUDRLIČKOVÁ, Martina. "Tradice a zvyklosti jako udržitelný produkt cestovního ruchu." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-367495.

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This diploma thesis, which is called Tradition and habits as a sustainable product of tourism, deals with the analysis of traditions in Českobudějovicko, focuses more on the tradition of fishing and fish farming. It focuses more on the producers and suggests a sustainable tourism product. The aim of the thesis is to propose a sustainable tourism product in the chosen destination of Českobudějovicko with the expression of economic impacts, based on the analysis of traditions and customs offers. The partial objective is to analyze the supply of fishery and fishery producers in connection with to
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Kozáková, Radka. "Krajinna raného středověku a její změny s nástupem kolonizace." Doctoral thesis, 2011. http://www.nusl.cz/ntk/nusl-311343.

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Landscape transformation that occurred during the Middle Ages in western and central Europe is reflected in all pollen diagrams. An event that was so striking and widespread was used by Firbas to distinguish a biostratigraphical period called the Younger Subatlantic (zone X; Firbas 1949). High Medieval landscape transformation is connected with rapid colonization in our area that resulted in extensive deforestation and intensified agriculture. During the first half of the 13th century, the settlement network was already stabilized and was very similar to the current state and was reaching also
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Panská, Šárka. "Vliv hyperkinetické zátěže na vybrané mechanické změny axiálního systému člověka." Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-404798.

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Title: Influence of Hyperkinetic Load on Selected Mechanical Changes of Human Axial System. Objectives: The main aim of this thesis is to determine the influence of hyperkinetic load on the change of selected mechanical properties of the rhythmic gymnastic axial system based on the sophisticated use of the Transfer Vibration through Spine (TVS) method. Methods: The following experimental methods were used to identify changes in rheological properties of AS and to assess load intensity: 1) TVS method; 2) software for evaluating and analyzing vibration tests of heterogeneous systems; 3) kinemati
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Půlpánová, Petra. "Měření dopadu dokumentárních filmů na postoje a chování diváků." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-357637.

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The thesis deals with measuring impact of documentary films on attitudes and behavior of the audience. The theoretical basis of this thesis is the assumption that social impact is a dynamic process where the engagement of an individual can lead to change of attitudes and behavior, and the individual's influence on others can change the society. Another assumption is that the impact on an individual is influenced by emotional and rational involvement. The third assumption is that the impact on the viewer changes over time when the extent of short-term impact after seeing the movie is bigger tha
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Halžová, Daniela. "Geomorfologické aspekty výskytu vltavínů ve střední Evropě." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-368045.

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GEOMORPHOLOGICAL ASPECTS OF THE OCCURRENCE OF MOLDAVITES IN THE CENTRAL EUROPE ABSTRACT: In the presented paper, geomorphological aspects of the occurrence od moldavites are evaluated. The origin od moldavites in the Miocene and position of their main finding places in Czechia is described. For studies and documentation of morphology of the surface of moldavites was used the collection of the Faculty od Science at Charles University. Special attention during field geomorphic servey of finding places of moldavites was attend to the localities between settlements Ločenice, Nesměň and Chlum nad M
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Kaiserová, Tereza. "Fosfan a oxid dusný jako falešně pozitivní biosignatury ve spektrech planet." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-449041.

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5 Abstract This study is dedicated to evaluating the potential for a novel pathway of abiotic synthesis of phosphine (PH3) from phosphorus trioxide (P4O6) by a photocatalytic mechanism on aerosols. The mechanism might explain the recent possible detection of phosphine on Venus. This scenario has recently been suggested theoretically by our team based on an analogy with methane production form carbon dioxide on acidic photochemically-active surfaces of materials, which may account for a possible source of methane on Mars. Methane, just like phosphine, was suggested as an indicator of life on te
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Hladík, Marek. "Studie ekosystémových dopadů invaze bolševníku velkolepého (Heracleum mantegazzianum)." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-297259.

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The present study deals with ecological impact of giant hogweed (Heracleum mantegazzianum) invasion in Slavkovský les area. Being one of the prominent invasive species with significant impact on human health it has been subjected to a wide research. In spite of that little is known about its impact on the invaded ecosystem. My research was therefore focused on analysis of the ecosystem impact, particulary 1) microclimatic measurements of temperature and soil moisture and their comparisons between invaded and noninvaded vegetation, 2) comparison of germination and survival of model plant specie
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Curosu, Iurie. "Influence of fiber type and matrix composition on the tensile behavior of strain-hardening cement-based composites (SHCC) under impact loading." Doctoral thesis, 2017. https://tud.qucosa.de/id/qucosa%3A30801.

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Strain-hardening cement-based composites (SHCC) are a special class of fiber-reinforced concrete which develop multiple, fine cracks when subjected to increasing tensile loading, reaching strain capacities of up to several percent. The tensile behavior of SHCC is a result of a purposeful material design accounting for the mechanical and physical properties of the cementitious matrix, of the reinforcing fibers and of their interaction. The exceptionally high energy dissipation through inelastic deformations before reaching tensile strength makes SHCC suitable for manufacturing or strengthenin
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Quast, Matthias. "Betondruckfestigkeit unter zweiaxialer dynamischer Belastung." 2018. https://tud.qucosa.de/id/qucosa%3A70884.

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Zur Beantwortung der Frage, wie sich die festigkeitssteigernden Effekte aus mehraxialer und dynamischer Druckbelastung in Beton überlagern wurde ein weltweit einzigartiger zweiaxialer Split-Hopkinson-Bar entwickelt. Es wurden umfangreiche Versuchsserien mit insgesamt mehr als 2500 Einzelversuchen durchgeführt. Ermittelt wurden dabei die ein- und zweiaxialen statischen und dynamischen Betondruckfestigkeiten zweier Betone der Druckfestigkeitsklassen C20/25 und C40/50. Die Versuchsergebnisse wurden hinsichtlich der Festigkeitsentwicklung in Abhängigkeit vom Spannungsverhältnis und der Dehnrate au
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Christelová, Alžběta. "Hodnocení vědy a výzkumu na Ústavu vědeckých informací 1. lékařské fakulty Univerzity Karlovy v Praze." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-297570.

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The thesis focuses on the evaluation of Research and Development in the Czech Republic. The introductory part of thesis highlights the recency of the topic and describes the quantitative and qualitative methods of assessing outlets of science. The second part of the thesis discusses in detail the evaluation of science in the Czech Republic; the legislative framework and the evaluation of Research and Development are mentioned. The third chapter shows the evaluation of institutional Research and Development and uses the 1st Faculty of Medicine of Charles University in Prague as an example. The
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Drásal, Zbyněk. "Meření CP narušení na experimentu Belle v rozpadech B0 → ŋcK0S metodou tzv. časové analýzy, optimalizace vrcholového detektoru pro expriment Belle II." Doctoral thesis, 2014. http://www.nusl.cz/ntk/nusl-326188.

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Title: Measurement of Time-Dependent CP Violation in B0 → ηcK0 S at Belle Experi- ment, Optimization Studies of the Belle II Vertex Detector Author: Zbyněk Drásal Department: Institute of Particle and Nuclear Physics Supervisor: Dr. Zdeněk Doležal, IPNP Supervisor's e-mail address: Zdenek.Dolezal@mff.cuni.cz Abstract: This doctoral thesis deals with two independent topics. In the first part we present a measurement of branching ratio(s) and time-dependent CP violation parame- ters in B0 (B± ) → ηcK0 S(K± ), ηc → p¯p. The values of CP violation parameters have been found as follows: sin 2φ1, de
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