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Anaïs Luisa Habermann, Moritz Georg Kolb, Philipp Maas, Hagen Kellermann, Carsten Rischmüller, Fabian Peter and Arne Seitz
Hybrid-Electric Propulsion (HEP) could be part of the solution to decrease emissions associated with regional commercial aviation. This study presents results for the aircraft level fuel reduction potential of a regional turboprop concept with an HEP arc...
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Dmitry Grebennikov, Rostislav Savinkov, Ekaterina Zelenova, Gennady Lobov and Gennady Bocharov
Animal models of diseases, particularly mice, are considered to be the cornerstone for translational research in immunology. The aim of the present study is to model the geometry and analyze the network structure of the murine lymphatic system (LS). The ...
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Kim Hagen, Michael G. Petterson, David Humphreys and Nigel Clark
At 07:45 a.m. on 2 April 2007, a tsunami hit Ghizo Island, western Solomon Islands in the south-west Pacific. Thirty-three people died on Ghizo, of whom 31 originated from a relatively small migrant Gilbertese community (transmigrated in the 1950s?1970s ...
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Hagen Kellermann, Michael Lüdemann, Markus Pohl and Mirko Hornung
Ram air?based thermal management systems (TMS) are investigated herein for the cooling of future hybrid-electric aircraft. The developed TMS model consists of all components required to estimate the impacts of mass, drag, and fuel burn on the aircraft, i...
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Babak Saravi, Zhen Li, Judith Pfannkuche, Laura Wystrach, Sonja Häckel, Christoph E. Albers, Sibylle Grad, Mauro Alini, Robert Geoffrey Richards, Corinna Lang, Norbert Südkamp, Hagen Schmal and Gernot Lang
Our recent study detected the expression of a tissue renin?angiotensin system (tRAS) in human intervertebral discs (IVDs). The present study sought to investigate the impact of the angiotensin II receptor type 1 (AGTR1) antagonist losartan on human nucle...
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John P. Pritchard, Karst Geurs, Diego B. Tomasiello, Anne Slovic, Adelaide Nardocci, Prashant Kumar, Mariana Giannotti, Alex Hagen-Zanker
Pág. 995 - 1017
This paper explores relationships between commuting times, job accessibility, and commuting satisfaction based on a large-scale survey applied in the Greater London Area (GLA), the municipality of São Paulo (MSP) and the Dutch Randstad (NLR). Potential a...
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Hagen Kellermann, Anaïs Luisa Habermann and Mirko Hornung
Providing sufficient cooling power for an aircraft will become increasingly challenging with the introduction of (hybrid-) electric propulsion. To avoid excessive drag from heat exchangers, the heat sink potential of the aircraft surface is evaluated in ...
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Wenke Markgraf, Jannis Lilienthal, Philipp Feistel, Christine Thiele and Hagen Malberg
The preservation of kidneys using normothermic machine perfusion (NMP) prior to transplantation has the potential for predictive evaluation of organ quality. Investigations concerning the quantitative assessment of physiological tissue parameters and the...
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Wolfgang Tillmann, Mohamed Abdulgader, Leif Hagen and Steffen Hüning
The low melting point of Sn-based Babbitt alloys often causes nozzle clogging in the low-pressure cold gas-dynamic spraying (LPCGDS) process, which impacts the process steadiness and the coating quality. Adding hard particles to the feedstock material el...
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Knut Espen Solberg, Jan Erik Jensen, Endre Barane, Snorre Hagen, Andreas Kjøl, Gudmund Johansen and Ove Tobias Gudmestad
The time required for rescue is a critical factor for surviving a marine incident. The regulatory framework, International Maritime Organization (IMO) Polar Code, utilizes a risk-based approach. It states that the vessel operators are to define the time ...
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