Schühler, M., Wansch, R., Hein, M.
Planar antennas composed of finite periodically structured surfaces have been studied. Two differently sized periodic structures were measured and compared in terms of their radiation characteristics...
Toward a Holistic and Risk-Based Management of European River Basins (2009)
Brack, B., Apitz, S.E., Borchardt, D., Brils, J., Cardoso, A.C., Foekema, E.M., ...
The European Union Water Framework Directive (WFD) requires a good chemical and ecological status of European surface waters by 2015. Integrated, risk-based management of river basins is presumed to...
Manifold-valued Thin-plate Splines with Applications in Computer Graphics (2008)
Steinke, F., Hein, M., Peters, J., Schölkopf, B.
We present a generalization of thin-plate splines for interpolation and approximation of manifold-valued data, and demonstrate its usefulness in computer graphics with several applications from...
Isotropic dry-etching of SiC for AlGaN/GaN MEMS fabrication (2008)
Niebelschütz, F., Pezoldt, J., Stauden, T., Cimalla, V., Tonisch, K., Brueckner, K., ...
Miniaturisation of combline filters for switched-mode power amplifier systems (2008)
E. Serebryakova, K. Blau, M. Hein
This paper presents a coaxial combline filter for a class-S power amplifier for an operating frequency of 450 MHz. According to the measurement results, the filter provides a bandwidth of 26 MHz, an...
Impedance measurement of a dipole above a periodically structured reflective surface (2008)
Schühler, M., Volmer, C., Wansch, R., Hein, M.
The impedance of a horizontal dipole antenna placed closely above a periodically structured reflective surface was determined. In order to characterize the antenna directly at its feed point, a...
Coburn, M., Kunitz, O., Apfel, C. C., Hein, M., Fries, M., Rossaint, R.
Background Xenon has been proved to be safe and efficacious for general anaesthesia in numerous trials. In addition, experimental studies demonstrate that xenon inhibits the 5-hydroxytryptamine type...
Xenon or propofol anaesthesia for patients at cardiovascular risk in non-cardiac surgery (2008)
Hein, M., Hecker, K. E., Satlow, S., Neef, P., Rossaint, R.
Background The results of two European multi-centre trials on xenon anaesthesia led to the hypothesis that a xenon-based anaesthetic would keep left ventricular (LV) and circulatory function more...
Coburn, M., Roertgen, D., Thiel, V., Fries, M., Hein, M., ...
Background Postoperative cognitive impairment after general anaesthesia, especially in the elderly, is a well-recognized problem. Xenon, known to be an N-methyl-d-aspartate antagonist, may be...
Autonomic cardiac control with xenon anaesthesia in patients at cardiovascular risk (2007)
Hein, M., Hecker, K. E., Satlow, S., Schnoor, J., Rossaint, R.
Background The cardiovascular stability found with xenon anaesthesia may be caused by absence of circulatory depression. Xenon may also act directly on autonomic cardiovascular control. Methods In a...
Effects of xenon anaesthesia on the circulatory response to hypoventilation (2005)
Hecker, K. E., Hein, M., Reyle-Hahn, M., Horn, N. A., Rossaint, R.
Background. Circulatory response to hypoventilation is aimed at eliminating carbon dioxide and maintaining oxygen delivery (DO2) by increasing cardiac output (CO). The hypothesis that this increase...
Haemodynamic effects of haemorrhage during xenon anaesthesia in pigs (2005)
Hecker, K. E., Hein, M., Reyle-Hahn, S. M., Horn, N. A., Rossaint, R.
Background. It was hypothesized that xenon would stabilize mean arterial pressure (MAP) in haemorrhagic shock, recovery, and volume resuscitation, because a higher MAP has been observed with xenon,...
Effects of xenon anaesthesia on the circulatory response to hypoventilation (2005)
Hecker, K. E., Hein, M., Reyle-Hahn, M., Horn, N. A., Rossaint, R.
Background. Circulatory response to hypoventilation is aimed at eliminating carbon dioxide and maintaining oxygen delivery (DO2) by increasing cardiac output (CO). The hypothesis that this increase...
Comparison of YBCO and Ca-substituted YBCO thin films for microwave applications. (2004)
Seron, D., Oates, D.E., Anderson, A.C., Halbritter, J., Hammerl, G., Hein, M., ...
8th Symp.on High Temperature Superconductors in High-Frequency Fields, Begur, E, May 26-29, 2004
Linking plant nutrition and ecosystem processes (2000)
Bauer, G.A., Persson, H., Persson, T., Mund, M., Hein, M., Kummetz, E., ...
Untersuchungen zum Oberflaechenwiderstand an YBa§2Cu§3O§7§-§d§e§l§t§a-Einkristallen. (1991)
Reschke, D., Hein, M., Meyer, M., Mueller, G., Piel, H., Wolf, T.
55.Physikertagung und Fruehjahrstagung des Arbeitskreises Festkoerperphysik der DPG gemeinsam mit der Nederlandse Natuurkundige Vereniging -Dynamik und Statistische Physik- und dem Fachbereich Physik...