Theses
Untergeordnete Publikationstypen
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Bachelor Thesis [49]
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Doctoral Thesis [25438]
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Habilitation Thesis [151]
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Master Thesis [1283]
Neueste Zugänge
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Tomography of Annular Flow in a BWR Geometry with Spacers
(2019)The annular flow is the predominant flow regime in the upper part of Boiling Water Reactor (BWR). It consists of a thin liquid coolant film on the fuel rods and a fast moving gas core between the fuel rods. The liquid phase extends to the gas core due to whisps and entrained droplets. As the liquid film removes heat from the fuel rods by evaporation cooling, it loses mass due to the phase transition. Droplets entrained in the gas core ...Doctoral Thesis -
The Path to Recovery - Cellular Integration of Extracellular Cues Regulating Axonal Growth
(2018)Doctoral Thesis -
Translational Study on the Role of Brown Fat in Cachexia and Surrogate Imaging Markers for Brown Fat
(2019)Doctoral Thesis -
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The Nanoengineering of Highly Conductive or Light-Emitting Structures Through Direct Electrohydrodynamic Printing
(2018)ENGLISH VERSION Since many years, nanotechnology has been the area of science designated to deliver technological advancements that will change human lives for the better. Physicists dreamed about manipulating entities as small as single molecules or individual atoms. Only inventions like the atomic force microscope or constant improvement of already existing technologies such as in electron beam microscopy opened up ways to make ...Doctoral Thesis -
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Sampling from Probabilistic Submodular Models
(2019)Practical problems of discrete nature are very common in machine learning; application domains include computer vision (e.g., image segmentation), sequential decision making (e.g., active learning), social network analysis (e.g., influence maximization), and natural language processing (e.g., document summarization). Submodular set functions have found wide applicability in such problems for their ability to capture notions of coverage, ...Doctoral Thesis -
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Thermo-Hydro-Mechanical Controls on Natural Convection in Faults and Fractures
(2019)Natural convection of water plays a key role in shaping the thermal structure of the subsurface. As a consequence of water density decreasing with temperature and temperature increasing with depth in the Earth’s crust, an unstable situation develops: cold, dense fluid overlies hot, less dense fluid. Given a sufficiently permeable and vertically extensive host, hot water will buoyantly rise towards the surface as cold water sinks to replace ...Doctoral Thesis -
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How does the hip joint move? Techniques and applications
(2018)Total hip arthroplasty (THA) is a common procedure for patients affected by hip osteoarthritis, and it achieves high success rates and a high score of patient satisfaction. Yet as demographics reflect an ageing population, demand for THA and the number of revisions are expected to increase. Moreover, raising demands are placed on implant longevity by increasingly younger and generally more active patients. In order to increase the implant ...Doctoral Thesis -
Bridging Data Science and Organization Science: Leveraging Algorithmic Induction to Research Online Communities
(2019)Major developments in digital technology in recent decades have led to new ways of collaboration and knowledge creation, particularly the proliferation of open source software development communities. The unique characteristics of open source software development communities—especially the absence of employment contracts, fluidity of organizational boundaries and openness of knowledge collaboration—provide fruitful ground for advancing ...Doctoral Thesis -
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Powder Optimization for Laser Sintering: An Insight in Powder Intrinsic and Extrinsic Properties
(2019)The use of Selective Laser Sintering (SLS) of polymers evolved from a pure prototyping into an additive manufacturing technology within the last 30 years. It enables the production of complex parts made out of high performance polymers that can be directly implemented in industrial environments. SLS is a complex two-step process composed of the powder recoating to form homogeneous, dense powder beds and also the laser processing leading ...Doctoral Thesis -