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Microalgae harvesting
Drozd, Jiří ; Naď, Martin (referee) ; Lošák, Pavel (advisor)
This work describe microalgae and their properties. Within the scope of the work, a research was conducted on the utilized microalgae and the possibilities of cultivation in the Central European region were examined. Furthermore, harvesting and drying methods for microalgae were analyzed, and an experiment was conducted using a promising spray drying method. The research revealed the properties and potential uses of microalgae. Various types of microalgae, their nutritional values, and possibilities of application in a wide range of fields were investigated. The cultivation possibilities of microalgae in the Central European region, including the utilization of wastewater and renewable energy sources, were also examined. Harvesting and drying methods for microalgae were analyzed, considering the advantages and disadvantages of different techniques such as flocculation, centrifugation, and spray drying. An experiment utilizing the spray drying method was conducted, and the results showed that this method is effective and enables the achievement of high quality and purity of dried microalgae. The work also explores the possibilities of further development and utilization of microalgae. It describes the potential use of microalgae as food supplements and as alternatives to traditional protein sources. Additionally, the potential applications of microalgae in the pharmaceutical and cosmetic industries were mentioned. In conclusion, this work provides information on the utilization of microalgae and the methods of cultivation, harvesting, and drying. The results suggest that microalgae have great potential for further development and utilization in various industries.
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The Role of Public Diplomacy in Norwegian Foreign Policy – Current Aspects
Drozd, Jiří ; Peterková, Jana (advisor) ; Novotná, Markéta (referee)
The aim of this bachelor thesis is to evaluate the role of public diplomacy in the Norwegian foreign policy, and also to answer the research question of how Norway, from the position of a small country, wishes to be perceived by the international community. The first chapter defines the basic concept of a small state and characterizes the common features of the foreign policy of such states. Thereto, it focuses on public diplomacy which is an important foreign policy tool. The second chapter applies the knowledge gained from the first chapter and presents it in the context of the Norwegian perspective. Based on the cultural and historical context, this chapter analyses Norwegian foreign policy and explains why the public diplomacy represents its important tool. Moreover, the thesis engages in the strategy of the Norwegian public diplomacy and its four aspects of presenting Norway abroad. The third chapter focuses on a specific aspect, namely the presentation of Norway as a humanitarian superpower, analysing its humanitarian policy and illustrating its involvement in this issue with the example of two humanitarian missions.
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