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Static strength assessment of the weld
Gális, Róbert ; Řehák, Kamil (referee) ; Dlugoš, Jozef (advisor)
This thesis aims to review, summarize and compare the available approaches and standards assessing static strength of welds. In the introductory section, the theoretical knowledge required to assess static strength of welded structures is summarised. In the next section, the algorithms for evaluating static strength of welds using each guideline are reviewed and described in detail. They are also applied to designed T-shaped welded geometry with a two- sided fillet weld. Subsequently, the obtained results are compared and evaluated. Finally, an experiment is drafted to verify the calculations or to determine the most appropriate approach.
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The peculiar outburst activity of the symbiotic binary AG Draconis
Gális, R. ; Merc, J. ; Leedjärv, L. ; Vrašťák, M. ; Karpov, Sergey
AG Draconis is a strongly interacting binary system which manifests characteristic symbiotic activity of alternating quiescent and active stages. The latter ones consist of the series of individual outbursts repeating at about a one-year interval. After seven years of flat quiescence following the 2006–2008 major outbursts, in the late spring of 2015, the symbiotic system AG Dra started to become brighter again toward what appeared to be a new minor outburst. The current outburst activity of AG Dra was confirmed by the following three outbursts in April 2016, May 2017 and April 2018. The photometric and spectroscopic observations suggest that all these outbursts are of the hot type. Such behaviour is considerably peculiar in almost 130-year history of observing of this object, because the major outbursts at the beginning of active stages are typically cool ones. In the present work, the current peculiar activity of the symbiotic binary AG Dra is described in detail.\n
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Legal Regulation of International Trade in Endangered Species
Galis, Richard ; Stejskal, Vojtěch (advisor) ; Franková, Martina (referee)
The purpose of the thesis is to describe international, EU and Czech wildlife trade laws by identifying the regulatory measures established at these levels of law and examining them from the perspective of each. It further seeks to analyze how CITES obligations governing these measures are incorporated into the EU and Czech legislation and investigate whether they are likely implemented inadequately or, conversely, more strictly. Additionally, it points out some of the potential problems of the current legal framework as well. The thesis is composed of six chapters. Chapter one explains the goals of environmental policy in the area of nature conservation and biodiversity protection related to wildlife trade and reasons for the very existence of its regulation. Chapter two is concerned with general aspects of wildlife trade law such as its objective, purpose, principles and role within environmental law. Chapter three outlines the main and also some other relevant sources of law. Chapter four determines the principal regulatory measures which are contained within the legal regime in order to enable it to achieve its objectives. The fifth chapter then focuses on two groups of legal means designed to ensure the compliance of CITES parties and to enforce the provisions of EU and Czech wildlife trade legislation...
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