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88 results on '"Vogelgesang, M."'

3. Andreas Wagener / Carsten Stark (Hrsg.), Die Digitalisierung des Politischen: Theoretische und praktische Herausforderungen für die Demokratie. Wiesbaden: Springer VS 2023, 338 S., kt., 64,99 €.

Author

Vogelgesang M. A., Alina

Subjects
PRACTICAL politics, SOCIOLOGICAL research, PUBLIC sphere, DIGITIZATION, PARTICIPATION, PUBLIC opinion
Abstract

Copyright of Soziologische Revue is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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16. Tomography and applications preface

Author

Fiorini, R., Hantos, N., Balazs, P., Ozsvar, Z., Tasi, T. S., Nyul, L. G., Vincze, C., Nagy, A., Battaglino, D., Frosini, A., Rinaldi, S., Socci, S., Brun, F., Accardo, A., Mancini, L., Dreossi, D., Tromba, G., Kourousias, G., Pugliese, R., Pacile, S., Zanconati, F., Shkarin, R., Ametova, E., Chilingaryan, S., Dritschler, T., Kopmann, A., Mirone, A., Shkarin, A., Tsapko, S., Vogelgesang, M., Alpers, Andreas, Balazs, Peter, Brunetti, Sara, Fedele, Roberto, Fieramonti, Luca, Fiorini, Rodolfo, Guazzoni, Chiara, Louis, Alfred, Mancini, Lucia, Nagy, Antal, Yepes Nicolas, Jesus, Santini, Maurizio, Shkarin, Roman, Shkarin, Andrey, Sijbers, Jan, Sojka, Grzegorz, Vigano, Nicola, Vincze, Csaba, Dulio, Paolo, Frosini, Andrea, and Rozenberg, Grzegorz

Subjects
Computer. Automation, Mathematics
Published
2015

19. An Extensible Parallel Computing Framework for Ultra-Fast X-Ray Imaging

Author

Vogelgesang, M. and Streit, A.

Subjects
ddc:620, Engineering & allied operations
Abstract

Die Entwicklung paralleler Hardwaresysteme ermöglicht die fortschreitende Ausnutzung Leistungssteigerung trotz stagnierender Taktfrequenz. In dieser Arbeit wurden Konzepte erarbeitet, um auf parallelen, heterogenen Rechensystemen schnelle Datenverarbeitung für bildgebende Röntgenverfahren durchzuführen. Das entwickelte System ist über Architekturgrenzen hinweg skalierbar und ermöglicht damit regelbare Experimente, die in der Form bisher nicht möglich waren.

Published
2014

25. Picosecond sampling electronic for terahertz synchrotron radiation

Author

Caselle, M., Balzer, M., Brosi, M., Chilingaryan, S., Dritschler, T., Judin, V., Kopmann, A., Müller, A.S., Raasch, J., Rota, L., Petzold, L., Smale, N.J., Steinmann, J.L., Vogelgesang, M., Wuensch, S., Siegel, M., and Weber, M.

Subjects
ddc:620, Engineering & allied operations
Published
2014

36. Modeling of Spray Combustion under Cryogenic and High Pressure Conditions

Author

Schlotz, D., Vogelgesang, M., Gutheil, E., Clauss, W., and Sender, J.

Subjects
Physics::Fluid Dynamics, 510 Mathematics, Physics::Chemical Physics
Abstract

The paper concerns both the numerical and experimental investigation of turbulent liquid oxygen/hydrogen spray combustion for elevated subcritical pressure and cryogenic inlet temperature conditions. In particular, the combustion in the single injector combustion chamber is studied where experimental data are obtained for gas phase temperature and both droplet size and velocities. The model uses an Eulerian--Lagrangian formulation for the gas and the liquid phase, respectively. Detailed models for droplet heating and vaporization in a convective flow field are employed, and detailed gas phase reactions are accounted for through use of a flamelet model for turbulent spray combustion. The results show a very good agreement between experimental and computational spray characteristics. The computed gas phase temperature lies somewhat above the experimental values which is associated with CARS single shot measurements and incomplete data for the initial conditions of the combustion process.

Published
2005

38. An ultra-fast digitizer with picosecond sampling time for Coherent Synchrotron Radiation

Author

Caselle, M., primary, Brosi, M., additional, Chilingaryan, S., additional, Dritschler, T., additional, Judin, V., additional, Kopmann, A., additional, Mueller, A.-S., additional, Raasch, J., additional, Smale, N. J., additional, Steinmann, J., additional, Vogelgesang, M., additional, Wuensch, S., additional, Siegel, M., additional, and Weber, M., additional

Published
2014
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45. Modeling and Simulation of Turbulent Non-Reacting and Reacting Spray Flows.

Author

Jäger, Willi, Rannacher, Rolf, Warnatz, Jürgen, Ge, H. -W., Urzica, D., Vogelgesang, M., and Gutheil, E.

Abstract

The scope is the modeling and simulation of turbulent spray flames where the emphasis is the modeling of the interaction of the vaporization and the turbulent flow field. In particular, the mixing process as well as the interaction of the turbulent flame with the vaporization are studied. These processes are least understood when it comes to the simulation of dilute spray flames. [ABSTRACT FROM AUTHOR]

Published
2007
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48. Germ-line versus somatic cells. I. Stereological study of differentiating embryonic tissues of Tetrodontophora bielanensis (Hexapoda, Collembola).

Author

Świ&acedil;tek, P., Vogelgesang, M., Romek, M., and Klag, J.

Subjects
*SOMATIC cells, *CELL differentiation, *GERM cells, *STEREOLOGY, *INSECTS, *COLLEMBOLA
Abstract

We examined five different somatic tissues and compared them with germ-line cells to verify the "disposable soma" theory. Two embryonic stages and second-stage juveniles of Tetrodontophora bielanensis Waga, 1842 (Hexapoda, Collembola) were studied. Our results show that changes in relative volume of mitochondria during differentiation of cells correlate well with transformations of cell morphology. During morphological transformation of differentiating somatic cells, the relative volume of mitochondria in their cytoplasm is high, whereas in the differentiated tissues, this parameter is much lower. Surprisingly, the highest value of relative volume density of mitochondria is found in the cytoplasm of germ-line cells. If we accept that this parameter indicates the cell metabolism rate, then our results should be taken as supporting the "disposable soma" theory. It is also conceivable that the higher volume of mitochondria in the germ-line cells have nothing to do with energy production but, for instance, with the production or function of nuage material (germ-cell determinant) in the germ-line cells. These two possibilities are discussed. [ABSTRACT FROM AUTHOR]

Published
2004
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