TY - CONF AB - Even though the spectrum of parts is expected to shift over the long term as a result of increasing e-mobility, there is still an extremely high demand for complex components made of high-strength materials which can only be produced by hydroforming technologies. The innovative combination of hydroforming processes with other forming processes, as well as the improvement of the processes themselves, offers considerable potential for improvement. A number of promising ways of improving the hydroforming process chain are therefore the subject of this contribution. The focus of the article is on possible approaches for combining (incremental) pre- and post-forming operations, which can permit considerable improvements in both quality and features at a reduced cost. Furthermore, a novel combination of quasi-static and high-speed forming processes is presented, leading to an improved overall forming process (with a high application potential) for the production of complex parts. AU - Wiens, Eugen AU - Djakow, Eugen AU - Homberg, Werner ID - 21447 KW - Hydroforming KW - Incremental Forming KW - Internal Flow-turning KW - High-speed Forming T2 - Nebu/Nehy 2020 TI - Some ideas for the further development of hydroforming process chains ER - TY - JOUR AB - In this paper, we study properties of the algebras of planar quasi-invariants. These algebras are Cohen–Macaulay and Gorenstein in codimension one. Using the technique of matrix problems, we classify all Cohen–Macaulay modules of rank one over them and determine their Picard groups. In terms of this classification, we describe the spectral modules of the planar rational Calogero–Moser systems. Finally, we elaborate the theory of the algebraic inverse scattering method, providing explicit computations of some ‘isospectral deformations’ of the planar rational Calogero–Moser system in the case of the split rational potential. AU - Burban, Igor AU - Zheglov, A. ID - 44331 IS - 4 JF - Proceedings of the London Mathematical Society TI - Cohen-Macaulay modules over the algebra of planar quasi-invariants and Calogero-Moser systems VL - 121 ER - TY - CHAP AU - van Ackeren, Isabell AU - Buhl, Heike M. AU - Eickelmann, Birgit AU - Heinrich, Martin AU - Wolfswinkler, Günther ED - Kaspar, Kai ED - Becker-Mrotzek, Michael ED - Hofhues, Sandra ED - König, Johannes ED - Schmeinck, Daniela ID - 28883 T2 - Bildung, Schule und Digitalisierung TI - Digitalisierung in der Lehrerbildung durch Communities of Practice. Konzeption, Governance und Qualitätsmanagement des ComeIn-Verbundvorhabens in Nordrhein-Westfalen ER - TY - CHAP AU - Labusch, Amelie AU - Eickelmann, Birgit AU - Drossel, Kerstin AU - Vennemann, Mario ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27838 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Digitalisierungsbezogene Berufswahlneigung und Sichtweisen von Mädchen und Jungen auf die Relevanz digitaler Medien für die Gesellschaft ER - TY - JOUR AU - Eickelmann, Birgit AU - Drossel, Kerstin ID - 28882 JF - SchulVerwaltung BW TI - Schulschließungen und Perspektiven für die Pandemie-Zeit –– Ergebnisse der Studie ‚Schule auf Distanz‘ VL - 12 ER - TY - JOUR AU - Eickelmann, Birgit AU - Kummer Wyss, Annemarie ID - 28908 IS - 4 JF - Journal für Schulentwicklung TI - Fortbildung im digitalen Zeitalter. Editorial VL - 24 ER - TY - BOOK AU - Labusch, Amelie AU - Eickelmann, Birgit AU - Conze, Daniela ID - 28905 TI - ICILS 2018 #Transfer. Gestaltung digitaler Schulentwicklung in Deutschland ER - TY - CHAP AU - Eickelmann, Birgit AU - Drossel, Kerstin AU - Labusch, Amelie AU - Heldt, Melanie ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27839 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Wünsche zur schulischen Nutzung digitaler Medien, digitalisierungsbezogene Berufswahlneigung und Sichtweisen von Schülerinnen und Schülern auf die Relevanz digitaler Medien für die Gesellschaft ER - TY - CHAP AU - Drossel, Kerstin AU - Lorenz, Ramona AU - Labusch, Amelie AU - Eickelmann, Birgit ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27853 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Selbsteingeschätzte Kompetenzen von Lehrkräften zum schulischen Einsatz digitaler Medien ER - TY - CHAP AU - Labusch, Amelie AU - Eickelmann, Birgit AU - Gerick, Julia AU - Drossel, Kerstin ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27842 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Kompetenzen im Bereich ‚Computational Thinking‘ von Mädchen und Jungen ER - TY - CHAP AU - Drossel, Kerstin AU - Eickelmann, Birgit ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27849 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Lehrkräftekooperation im Kontext des Lernens und Lehrens mit digitalen Medien ER - TY - CHAP AU - Eickelmann, Birgit AU - Drossel, Kerstin AU - Labusch, Amelie ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27855 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Schulischer IT-Support: Sichtweisen und Zuständigkeiten ER - TY - CHAP AU - Labusch, Amelie AU - Eickelmann, Birgit AU - Drossel, Kerstin ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27856 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Schulische IT-Ausstattung und Wahrnehmung der IT-Ausstattungsqualität ER - TY - CHAP AU - Conze, Daniela AU - Drossel, Kerstin AU - Eickelmann, Birgit ED - Kaspar, Kai ED - Becker-Mrotzek, Michael ED - Hofhues, Sandra ED - König, Johannes ED - Schmeinck, Daniela ID - 27862 T2 - Bildung, Schule und Digitalisierung TI - Lehrer*innenbildung in virtuellen Lernnetzwerken – Warum engagieren sich Lehrkräfte im #twitterlehrerzimmer? ER - TY - CHAP AU - Eickelmann, Birgit AU - Labusch, Amelie AU - Drossel, Kerstin AU - Vennemann, Mario ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27857 T2 - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich TI - Anlage der Studie ICILS 2018-NRW ER - TY - JOUR AU - Eickelmann, Birgit AU - Drossel, Kerstin ID - 27861 JF - SchulVerwaltung NRW TI - Schulschließungen und Perspektiven für die Pandemie-Zeit - Ergebnisse der Studie ‚Schule auf Distanz‘ VL - 9 ER - TY - BOOK ED - Eickelmann, Birgit ED - Labusch, Amelie ED - Drossel, Kerstin ED - Vennemann, Mario ID - 27858 TI - ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich ER - TY - JOUR AU - Rezat, Sara AU - Rezat, Sebastian ID - 33594 JF - Die Grundschulzeitschrift 320 TI - Schulbücher. Werkzeuge zum Üben in den Fächern Deutsch und Mathematik ER - TY - CHAP AU - Rezat, Sebastian ED - Meister, Dorothee ED - Ilka, Mindt ID - 44688 SN - 2512-112X T2 - Mobile Medien im Schulkontext TI - Mathematiklernen mit digitalen Schulbüchern im Spannungsfeld zwischen Individualisierung und Kooperation ER - TY - CHAP AU - Schreckenberg, Stefan ED - Chihaia, Matei ED - Henningfeld, Ursula ID - 44692 T2 - Guernica entre ícono y mito. Productividad y presencia de memorias colectivas TI - Miradas francesas sobre Gernika y Guernica ER - TY - CONF AU - Gräßler, Iris AU - Hentze, Julian AU - Hesse, Philipp ID - 23523 SN - 978-94-6384-131- T2 - Proceedings of TMCE Conference 2020 TI - Anchoring Points as a Method for Interdisciplinary Systems Engineering with the New V-Model ER - TY - JOUR AU - Gerhardts, L. AU - Kamin, A.M. AU - Meister, Dorothee M. AU - Richter, L. AU - Teichert, Jeannine ID - 44204 IS - 6 JF - PraxisForschungLehrer*innenBildung TI - Entwicklung von Selbstlern- und Medienkompetenz im Homeschooling – Chancen und konzeptionelle Anforderungen VL - 2 ER - TY - JOUR AU - Gerhardts, L. AU - Kamin, A.M. AU - Meister, Dorothee M. AU - Richter, L. AU - Teichert, Jeannine ID - 44203 IS - 2 JF - Medienimpulse TI - Lernen auf Distanz – Einblicke in den familialen Alltag des Homeschoolings und Formen der Bewältigung VL - 58 ER - TY - JOUR AU - Teichert, Jeannine ID - 44201 JF - merzWissenschaft TI - Ich habe auch Facebook-Freunde“ – Erinnerungspraktiken in vergangenen Freundschaften VL - 6 ER - TY - JOUR AU - Lu, You AU - Luo, Rong AU - Schubert, Michael AU - Steffen, Eckhard AU - Zhang, Cun-Quan ID - 13114 JF - SIAM J. Discrete Math TI - Flows on signed graphs without long barbells VL - 34 (4) ER - TY - JOUR AU - Jin, Ligang AU - Steffen, Eckhard ID - 12971 JF - J. of Combinatorics TI - Unions of 1-factors in r-graphs and overfull graphs VL - 11 ER - TY - JOUR AU - Dreßler, C. AU - Kabbe, G. AU - Brehm, Martin AU - Sebastiani, D. ID - 44995 JF - J. Chem. Phys. TI - Exploring Non-Equilibrium Molecular Dynamics of Mobile Protons in the Solid Acid CsH2PO4 on the Micrometer and Microsecond Scale VL - 152 (16) ER - TY - JOUR AU - Brehm, Martin AU - Radicke, J. AU - Pulst, M. AU - Shaabani, F. AU - Sebastiani, D. AU - Kressler, J. ID - 44997 JF - Molecules TI - Dissolving Cellulose in 1,2,3-Triazolium- and Imidazolium-Based Ionic Liquids with Aromatic Anions VL - 25 (15) ER - TY - JOUR AU - Hunold, J. AU - Eisermann, J. AU - Brehm, Martin AU - Hinderberger, D. ID - 44998 JF - J. Phys. Chem. B TI - Characterization of Aqueous Lower Polarity Solvation Shells Around Amphiphilic TEMPO Radicals in Water VL - 124 (39) ER - TY - JOUR AU - Scarbath-Evers, L. AU - Hammer, R. AU - Golze, D. AU - Brehm, Martin AU - Sebastiani, D. AU - Widdra, W. ID - 44993 JF - Nanoscale TI - From Flat to Tilted: Gradual Interfaces in Organic Thin Film Growth VL - 12 ER - TY - JOUR AU - Dreßler, C. AU - Kabbe, G. AU - Brehm, Martin AU - Sebastiani, D. ID - 44994 JF - J. Chem. Phys. TI - Dynamical Matrix Propagator Scheme for Large-Scale Proton Dynamics Simulations VL - 152 (11) ER - TY - JOUR AU - Weiß, M. AU - Brehm, Martin ID - 44999 JF - Molecules TI - Exploring Free Energy Profiles of Enantioselective Organocatalytic Aldol Reactions under Full Solvent Influence VL - 25 (24) ER - TY - JOUR AU - Brehm, Martin AU - Thomas, M. AU - Gehrke, S. AU - Kirchner, B. ID - 44996 JF - J. Chem. Phys. TI - TRAVIS – A Free Analyzer for Trajectories from Molecular Simulation VL - 152 (16) ER - TY - JOUR AU - Ditter, Jan AU - Aubel, Tobias AU - Meschut, Gerson ID - 45072 IS - 1 JF - adhesion ADHESIVES + SEALANTS KW - Polymers and Plastics KW - General Chemical Engineering KW - General Chemistry SN - 2192-2624 TI - Simple Determination of Fast Curing Parameters for Bonded Structures VL - 17 ER - TY - JOUR AU - Ditter, Jan AU - Meschut, Gerson AU - Wibbeke, Tim Michael ID - 45077 IS - 3 JF - adhesion ADHESIVES + SEALANTS KW - Polymers and Plastics KW - General Chemical Engineering KW - General Chemistry SN - 2192-2624 TI - Joining and Disjoining Concepts for Adhesive Bonded Lightweight Structures VL - 16 ER - TY - JOUR AU - Haines, Mackenzie AU - Murray, Amanda M. AU - Glaviano, Neal R. AU - Gokeler, Alli AU - Norte, Grant E. ID - 45125 JF - Human Movement Science KW - Experimental and Cognitive Psychology KW - Orthopedics and Sports Medicine KW - General Medicine KW - Biophysics SN - 0167-9457 TI - Restricting ankle dorsiflexion does not mitigate the benefits of external focus of attention on landing biomechanics in healthy females VL - 74 ER - TY - JOUR AB - Abstract Purpose It has been reported that there is no correlation between anterior tibia translation (ATT) in passive and dynamic situations. Passive ATT (ATTp) may be different to dynamic ATT (ATTd) due to muscle activation patterns. This study aimed to investigate whether muscle activation during jumping can control ATT in healthy participants. Methods ATTp of twenty-one healthy participants was measured using a KT-1000 arthrometer. All participants performed single leg hops for distance during which ATTd, knee flexion angles and knee flexion moments were measured using a 3D motion capture system. During both tests, sEMG signals were recorded. Results A negative correlation was found between ATTp and the maximal ATTd (r = − 0.47, p = 0.028). An N-Way ANOVA showed that larger semitendinosus activity was seen when ATTd was larger, while less biceps femoris activity and rectus femoris activity were seen. Moreover, larger knee extension moment, knee flexion angle and ground reaction force in the anterior-posterior direction were seen when ATTd was larger. Conclusion Participants with more ATTp showed smaller ATTd during jump landing. Muscle activation did not contribute to reduce ATTd during impact of a jump-landing at the observed knee angles. However, subjects with large ATTp landed with less knee flexion and consequently showed less ATTd. The results of this study give information on how healthy people control knee laxity during jump-landing. Level of evidence III AU - Keizer, Michèle N. J. AU - Hijmans, Juha M. AU - Gokeler, Alli AU - Benjaminse, Anne AU - Otten, Egbert ID - 45126 IS - 1 JF - Journal of Experimental Orthopaedics KW - Orthopedics and Sports Medicine SN - 2197-1153 TI - Healthy subjects with lax knees use less knee flexion rather than muscle control to limit anterior tibia translation during landing VL - 7 ER - TY - JOUR AB - Abstract Purpose An increased posterior tibia plateau angle is associated with increased risk for anterior cruciate ligament injury and re-rupture after reconstruction. The aims of this study were to determine whether the tibia plateau angle correlates with dynamic anterior tibia translation (ATT) after an anterior cruciate ligament reconstruction and whether the tibia plateau angle correlates with aspects of knee kinematics and kinetics during jump landing. Methods Thirty-seven patients after anterior cruciate ligament reconstruction with autograft hamstring tendon were included. Knee flexion angle and knee extension moment during single leg hops for distance were determined using a motion capture system and the dynamic ATT with its embedded method. The medial and lateral posterior tibia plateau angle were measured using MRI. Moreover, passive ATT was measured using the KT-1000 arthrometer. Results A weak negative correlation was found between the maximal dynamic ATT and the medial tibia plateau angle (p = 0.028, r = − 0.36) and between the maximal knee flexion angle and the lateral tibia plateau angle (p = 0.025, r = − 0.37) during landing. Patients with a smaller lateral tibia plateau angle show larger maximal knee flexion angle during landing than the patients with larger lateral tibia plateau angle. Also, the lateral tibia plateau angle is associated the amount of with muscle activity. Conclusion The posterior medical tibia plateau angle is associated with dynamic ATT. The maximal knee flexion angle and muscle activity are associated with the posterior lateral tibia plateau angle. Level of evidence III AU - Keizer, Michèle N. J. AU - Hijmans, Juha M. AU - Gokeler, Alli AU - Otten, Egbert AU - Brouwer, Reinoud W. ID - 45127 IS - 1 JF - Journal of Experimental Orthopaedics KW - Orthopedics and Sports Medicine SN - 2197-1153 TI - Sagittal knee kinematics in relation with the posterior tibia slope during jump landing after an anterior cruciate ligament reconstruction VL - 7 ER - TY - JOUR AU - Letafatkar, Amir AU - Rabiei, Pouya AU - Ghanati, Hadi Abbaszadeh AU - Khosrokiani, Zohre AU - Ghahremani, Naji AU - Gokeler, Alli ID - 45128 IS - 4 JF - Sport Sciences for Health KW - Orthopedics and Sports Medicine SN - 1824-7490 TI - Training athletes with an external attentional focus enhances athletic performance during countermovement jump VL - 16 ER - TY - GEN AU - N., N. ID - 42307 TI - Weitsichtigkeit zur Bildung stabiler Koalitionen - eine spieltheoretische Analyse ER - TY - GEN AU - N., N. ID - 42308 TI - Verhandeltes strategisches Verhalten ER - TY - GEN AU - N., N. ID - 42301 TI - Kronzeugenprogramme zur Aufdeckung von Kartellen - Eine spieltheoretische Analyse ER - TY - GEN AU - N., N. ID - 42299 TI - Eine ökonomische Analyse der Piraterie in zweiseitigen Softwaremärkten ER - TY - GEN AU - N., N. ID - 42304 TI - Kulturelle Unterschiede beim Lösen von Verhandlungsproblemen ER - TY - GEN AU - N., N. ID - 42298 TI - Productivity optimization through project matching ER - TY - GEN AU - N., N. ID - 42306 TI - Matching Mechanisms and Organ Exchange ER - TY - GEN AU - N., N. ID - 42300 TI - Cartel Fines in the European Union ER - TY - GEN AU - N., N. ID - 42302 TI - Anspruchsregeln in Verhandlungen ER - TY - GEN AU - N., N. ID - 42292 TI - Die Zusammenstellung eines Sortiments als Beispiel interdependenter Verhandlungen ER - TY - GEN AU - N., N. ID - 42294 TI - Matching in Netzwerken ER -