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Aktionsräume geben Aufschluss über die Nutzung räumlicher Infrastrukturen im Rahmen individueller Mobilität und eignen sich für vielfältige Untersuchungen über Wechselwirkungen zwischen Menschen und ihrer sozialen sowie räumlichen Umwelt. In quantitativen Erhebungen werden Aktionsräume unter anderem über Wegetagebücher, Tracking-Verfahren und Befragungen erfasst. Tracking-Verfahren und Wegetagebücher sind zwar präzise Instrumente zur Erfassung individueller Bewegungsmuster, erfordern für komp...
Nowadays particle detector technology is taking big steps forwards and new devices dedicated to particle physics show very high performance. Particularly the semiconductor detectors have advanced significantly and are used for tracking purposes in the A Toroidal LHC ApparatuS (ATLAS) experiment at CERN thanks to their excellent spacial resolution: the compact size of the silicon and its high granularity allow to reach a precision measurement of few tens of microns. This thesis is focuse...
The philosophy of science community mourns the loss of Margaret Catherine Morrison, who passed away on January 9, 2021, after a long battle with cancer. Margie, as she was known to all who knew her, was highly regarded for her influential contributions to the philosophy of science, particularly her studies of the role of models and simulations in the natural and social sciences. These contributions made her a world-leading philosopher of science, instrumental in shifting philosophers' attenti...
This study investigated how as reported by Bandura (Self-efficacy: The exercise of control Freeman, 1997) sources of self-efficacy differ across socialization contexts for German students with diverse immigrant backgrounds. We measured all four sources of academic self-efficacy in three socialization contexts for students of former Soviet Union and Turkish descent as well as without an immigrant background, assuming that we would find differences between these groups. Participants were 1217 s...
Current understanding of the interactions between the future urban development change and climate change in the local context, considering infrastructure operation & functionality, is still primitive, especially in public health services. This study offers a climate-resilient operationalization framework for urban public health services considering the interaction between urban development change and climate change across scales, the so-called Health Integrative Climate Resilience and Adaptat...
In der Professionalisierung von Deutschlehrkräften gelingt es nur mäßig Fachwissen und fachdidaktisches Wissen in der universitären Ausbildungsphase zu vermitteln. Zudem gelingt der Zugriff von Studierenden auf erworbenes Wissen in fachdidaktischen Anforderungssituationen kaum. Lehramtsstudierende sollen ein vernetztes professionelles Wissen aufbauen, um in professionellen Handlungssituationen explizit auf die Wissensinhalte zugreifen zu können. Ob der Aufbau solch eines Professionswissens in...
While exercise and physical activity have been suggested to reduce mortality and symptoms in cancer, knowledge on these associations in patients with childhood cancer (CCPs) is sparse. Anti-inflammatory properties of exercise might mediate these beneficial effects. We investigated the influence of exercise on the inflammation markers neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and systemic-immune-inflammation index (SII) and associations to patient-reported-outcomes in CCPs ...
The exact relationship between formal argumentation and nonmonotonic logics is a research topic that keeps on eluding researchers despite recent intensified efforts. We contribute to a deeper understanding of this relation by investigating characterizations of abstract dialectical frameworks in conditional logics for nonmonotonic reasoning. We first show that in general, there is a gap between argumentation and conditional semantics when applying several intuitive translations, but then prove...
Motivated by the influence of deformation-induced microcracks on the effective electrical properties at the macroscale, an electro-mechanically coupled computational multiscale formulation for electrical conductors is proposed. The formulation accounts for finite deformation processes and is a direct extension of the fundamental theoretical developments presented by Kaiser and Menzel (Arch Appl Mech 91:1509–1526, 2021) who assume a geometrically linearised setting. More specifically speaking,...
In this note, a Wegner estimate for random divergence-type operators that are monotone in the randomness is proven. The proof is based on a recently shown unique continuation estimate for the gradient and the ensuing eigenvalue liftings. The random model which is studied here contains quite general random perturbations, among others, some that have a non-linear dependence on the random parameters.
Appropriately planning and scheduling strategies can improve the enthusiasm of Electric vehicles (EVs), reduce charging losses, and support the power grid system. Thus, this dissertation studies the planning and operating of the EV charging station. First, an EV charging station planning strategy considering the overall social cost is proposed. Then, to reduce the charging cost and guarantee the charging demand, an optimal charging scheduling method is proposed. Additionally, by considering t...
Cell-cell fusion is a fundamental process in sexual reproduction and development but the mechanisms mediating and regulating this process are only now beginning to be uncovered. Despite recent progress in identifying key players in the plant and protist kingdoms, large gaps remain in other Eukaryotic lineages, including fungi. The cell fusion in the mating of the yeast Saccharomyces cerevisiae therefore presents itself as an ideal system to understand the molecular mechanisms underlying cell ...
Die Proteinkinase Akt, die aus drei Isoformen (Akt1/Akt2/Akt3) besteht, ist ein zentraler Knotenpunkt innerhalb des PI3K/Akt/mTOR-Signalwegs. Genomische Veränderungen wie aktivierende Mutationen in PI3K und Amplifikationen von AKT-Genen können eine Überaktivierung der Akt-Isoformen und damit einhergehend verschiedene Krankheiten auslösen. Trotz intensiver Forschung in den letzten Jahrzehnten sind mehrere klinische Studien mit potenziellen Arzneimittelkandidaten gescheitert. Verantwortlich daf...
In this dissertation, I discuss leader self-regulation from several perspectives, with a specific focus on leader emotion regulation and leader self-leadership. Firstly, I develop a theoretical framework, which is based on both control theory (Carver & Scheier, 1998) and the four levels of self-regulation described by Lord et al. (2010). This framework serves to disentangle the four related concepts of self-regulation, emotion regulation, self-control, and self-leadership. Secondly, I use the...
Increasing parcel volumes, environmental challenges, and customer expectations have made innovative delivery concepts for last-mile logistics essential in recent years. Autonomous delivery vehicles such as delivery robots or drones are tested worldwide. In this work, we examine the use of electrical delivery robots to optimize a last-mile network. The network consists of a fleet of homogeneous single-unit capacity robots, depots equipped with recharging stations, and customers. Each customers...
The goals of metal forming process design have long exceeded the mere shaping of components. Changes of the component properties which are caused by forming, including residual stresses, damage and work-hardening have received increasing attention in the last years. If done right, the incorporation and control of property changes of cold forged components in terms of numerical process simulations could significantly improve the energy- and resource-efficiency of metal forming processes a...
Communities in Eldorado
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- 290 Dette, Holger
- 135 Suter, Dieter
- 134 Böhmer, Roland
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- 75 Leuders, Timo
- 74 Weihs, Claus
- 70 Weyer, Johannes
- 68 Biehler, Rolf
- 68 Schweizer, Ben
- 67 Ufer, Stefan
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