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Metody vyhledávání informací na webu první a druhé generace / Methods of information searching on the internet of the first and the second generationSynek, Pavel January 2009 (has links)
The thesis aims on methods and strategies usable for information retrieval on the internet as we know it today and points at how the requirements on knowledge of end-user and abilities to use different information sources have been changing; in other words it points the increasing demands on information literacy. The document is divided into three parts. The first one briefly provides an introduction to strategies of information retrieval. The second part deals on theoretic basis with tools and information sources for searching on the both surface and deep web. The author also focuses on social web and its special attributes from the searcher's point of view. The third part represents a practical utilization of knowledge from previous parts. Practical part demonstrates on model examples a nature and kind of information we can retrieve from particular resources.
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Selektiv lasersmältning : En State of the Art Rapport och jämförelse av additiva tillverkningsmetoder / Selective Laser Melting : A State of the Art Report and comparison of Additive Manufacturing MethodsTairi, Martin January 2020 (has links)
Additiv tillverkning (AM) är en växande tillverkningsteknologi som har många lovande tekniska, ekologiska och ekonomiska aspekter. Selektiv lasersmältning (SLM) är den AM-metod som står i framkanten av den utveckling som sker inom teknologin. SLM har kapabiliteten att tillverka detaljer med jämförbart goda mekaniska egenskaper gentemot konventionella tillverkningsmetoder men drabbas av vanligt förekommande defekter som hämmar dess möjligheter att bli en mer använd bearbetningsmetod i tillverkningsindustrin. I detta arbete, som tar an formen av en State of the Art Rapport, presenteras SLM-metoden på en teknisk nivå, den jämförs med andra AM-metoder samt med konventionell tillverkning, flera metaller och legeringar som finns tillgängliga för bearbetning presenteras och dess senaste utvecklingar samt framtid presenteras och diskuteras. / Additive manufacturing (AM) is a growing manufacturing technology which has many promising technical, ecological, and economical aspects. Selective Laser Melting (SLM) is the AM-method which stands on the forefront of the development which is taking place in this technology. SLM has the capability to produce components with relatively good mechanical characteristics as compared to conventional manufacturing methods. However, the method is suffering from common defects which inhibits its chances to become a more widely-used method in the manufacturing industry. In this work, which takes on the form of a State of the Art Report, the SLM-method is presented on a technical level. It is then put in comparison to other AM-methods and conventional manufacturing as a whole. Some of the metals and alloys available for SLM are listed. The latest developments in SLM are presented and lastly, the future developments of SLM is discussed.
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