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8. Absence of synergistic effects in quasi-simultaneous sputtering of tungsten by Ar and D ions

Author

Cupak, C., Brandstätter, F., Cserveny, R., Troneberger, F., Biber, H., Fellinger, M., Redl, A., Moro, Marcos V., Böhm, D., Eisenmenger-Sittner, Ch., Mutzke, A., Primetzhofer, Daniel, Aumayr, F., Cupak, C., Brandstätter, F., Cserveny, R., Troneberger, F., Biber, H., Fellinger, M., Redl, A., Moro, Marcos V., Böhm, D., Eisenmenger-Sittner, Ch., Mutzke, A., Primetzhofer, Daniel, and Aumayr, F.

Abstract

A quartz crystal microbalance was used to experimentally study the erosion of tungsten during rapidly alternating bombardment with 2 keV argon and deuterium projectiles. A key goal was to investigate whether the mean sputtering yield of the alternating irradiation can be predicted from data for sputtering yields of single ion species. In addition, influences by residual gas pressure in the UHV experiment and variable ion fluxes have been studied. Our results show that the mean sputtering yield of irradiations with alternating ion species can be well predicted for a range of different fluence ratios as a simple superposition of individual sputtering yields, weighted by the respective relative fluences. This finding supports that no synergistic sputtering effects were relevant in the investigated low-flux regime.

Published
2023
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11. Rotatorenmanschetten- und Weichteildefekte

Author

Gohlke, Frank, Ochs, K, Rolf, O., Werner, Andreas, Preis, Stefan, Matzer, Michael, Kirschner, S., Böhm, D. T., Barthel, T., Halder, A., O’Driscoll, S., An, K. N., Kasten, Philip, Rickert, Marcus, Loew, M., Mcheibel, Scheibel, Magosch, P., Lichtenberg, S., Habermeyer, P., Theermann, Ralf, Hedtmann, A., Hamper, K., Hartwig, C.-H., Niendorf, A., Ritsch, Mathias, Mazzocca, A. D., Rios, C. G., Santangelo, S. A., Bicos, J., Adams, D. J., Romeo, A. A., Arciero, R. A., Jerosch, Jorg, Schaal, Oliver, Schmidt-Wiethoff, Rüdiger, Schneider, T., Hetzel, Christian, Wilke, C., Schmidt-Wiethoff, Rüdiger, editor, Schneider, Thomas, editor, Dargel, Jens, editor, and Appell, Hans-Joachim, editor

Published
2004
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12. Prothesenwechseloperationen

Author

Jerosch, Jorg, Kartzer, A., Sickelmann, F., Seemann, K., Loehr, J., Gohlke, Frank, Rolf, O., Schuler, S., Böhm, D., Molé, Daniel, Sirveaux, F., Favard, L., Guery, J., Rickert, Marcus, Loew, M., Zeiler, Claudius, Kettler, M., Wiedemann, E., Irlenbusch, Ulrich, Bracht, M., Forke, L., Gansen, H. K., Lorenz, U., Ziegert, A., Flury, Matthias, Schmidt-Wiethoff, Rüdiger, editor, Schneider, Thomas, editor, Dargel, Jens, editor, and Appell, Hans-Joachim, editor

Published
2004
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17. Myosplint®

Author

Schenk, S., Detter, C., Boehm, D. H., Reichenspurner, H., Feindt, Peter, editor, Vetter, Herbert O., editor, and Weyand, Michael, editor

Published
2003
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25. Long-term outcome prediction by clinicopathological risk classification algorithms in node-negative breast cancer—comparison between Adjuvant!, St Gallen, and a novel risk algorithm used in the prospective randomized Node-Negative-Breast Cancer-3 (NNBC-3) trial

Author

Schmidt, M., Victor, A., Bratzel, D., Boehm, D., Cotarelo, C., Lebrecht, A., Siggelkow, W., Hengstler, J.G., Elsäßer, A., Gehrmann, M., Lehr, H.-A., Koelbl, H., von Minckwitz, G., Harbeck, N., and Thomssen, C.

Published
2009
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26. How can you save the world? Empowering sustainable diet change with a serious game

Author

Böhm, D., Bob Dorland, Rico Herzog, Kap, R. B., Langendam, T. S. L., Popa, A., Bueno Perez, M. R., and Rafael Bidarra

Subjects
ComputingMilieux_PERSONALCOMPUTING, GeneralLiterature_MISCELLANEOUS
Abstract

Presently, one of the greatest challenges of humankind is climate change. It is usually assumed that its mitigation will require an extensive adaptation in many human habits. As every fourth ton of carbon dioxide emitted can be attributed to the food chain, it is argued that one of the most effective actions an individual can take is changing towards a more sustainable diet, like a plant-based one. Serious games have proved to be a successful means for achieving behavior change. We present Veganity, your journey, a mobile serious game aimed at assisting players in their transition towards a more plantbased diet. The game combines the characteristics of the idle game genre with diet tracking: in the game, as you progress in adapting your personal diet, you spare energy that can be spent in making the game world more sustainable. Personal factors, like changing your ecological or social norms, your habits and your behavioral costs and benefits, are targeted by different game mechanics. These include, among others, a currency mechanism for stimulating habit change, in-game actions building up selfefficacy, and tips raising problem awareness. Besides describing our game design, we also present the main features of the game implementation. From a preliminary evaluation, we conclude that Veganity, your journey successfully engages players in pursuing their own diet goals, and increases their reflection on, and acquaintance with, sustainable diet behaviors.

Published
2021
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31. How can you save the world? Empowering sustainable diet change with a serious game

Author

Böhm, D. (author), Dorland, Bob (author), Herzog, Rico (author), Kap, R.B. (author), Langendam, T.S.L. (author), Popa, A. (author), Bueno Perez, M.R. (author), Bidarra, Rafael (author), Böhm, D. (author), Dorland, Bob (author), Herzog, Rico (author), Kap, R.B. (author), Langendam, T.S.L. (author), Popa, A. (author), Bueno Perez, M.R. (author), and Bidarra, Rafael (author)

Abstract

Presently, one of the greatest challenges of humankind is climate change. It is usually assumed that its mitigation will require an extensive adaptation in many human habits. As every fourth ton of carbon dioxide emitted can be attributed to the food chain, it is argued that one of the most effective actions an individual can take is changing towards a more sustainable diet, like a plant-based one. Serious games have proved to be a successful means for achieving behavior change. We present Veganity, your journey, a mobile serious game aimed at assisting players in their transition towards a more plantbased diet. The game combines the characteristics of the idle game genre with diet tracking: in the game, as you progress in adapting your personal diet, you spare energy that can be spent in making the game world more sustainable. Personal factors, like changing your ecological or social norms, your habits and your behavioral costs and benefits, are targeted by different game mechanics. These include, among others, a currency mechanism for stimulating habit change, in-game actions building up selfefficacy, and tips raising problem awareness. Besides describing our game design, we also present the main features of the game implementation. From a preliminary evaluation, we conclude that Veganity, your journey successfully engages players in pursuing their own diet goals, and increases their reflection on, and acquaintance with, sustainable diet behaviors., Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public., Dreamhal, Comp Graphics & Visualisation

Published
2021

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