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Kostenfaktor Mensch
(2007)
Schulung und Unterweisung
(2007)
Vergleichende Evaluation der ergonomischen Gestaltungsqualität von Gepäckförderbändern auf Flughäfen
(2007)
Jugendmedienschutz bei gewalthaltigen Computerspielen. Eine Analyse der USK-Alterseinstufungen
(2007)
Banken- und Währungskrisen haben in den letzten Jahrzehnten insbesondere Schwellenländer erschüttert. Dabei hat sich gezeigt, dass diese beiden Krisenarten auf so vielfältige Art miteinander verflochten sind und sich durchdringen, dass man von einem eigenständigen Krisentyp «Zwillingskrise» sprechen kann. In dieser Arbeit wird ein Modell entwickelt, das verschiedene Zusammenhänge zwischen Banken- und Währungskrisen mathematisch abbildet. Anhand des Modells lässt sich studieren, wie Zwillingskrisen entstehen, welche Zielkonflikte und Dilemmata bei ihrer Bekämpfung auftreten und welche Maßnahmen zur Krisenbekämpfung von politischer Seite sinnvoll sind. Im Mittelpunkt steht dabei die Geldpolitik.
Improvements in Cardiovascular Disease Risk Factors from Lifestyle Change: A Real World Application
(2007)
The dewetting of liquid filaments in linear grooves of a triangular cross section is studied experimentally and theoretically. Homogeneous filaments of glassy polystyrene (PS) are prepared in triangular grooves in a nonequilibrium state. At elevated temperatures, the molten PS restores its material contact angle with the substrate. Liquid filaments with a convex liquid-vapor interface decay into isolated droplets with a characteristic spacing depending on the wedge geometry, wettability, and filament width. This instability is driven by the interplay of local filament width and Laplace pressure and constitutes a wide class of ID instabilities that also include the Rayleigh -Plateau instability as a special case. Our results show an accurately exponential buildup of the instability, suggesting that fluctuations have a minor influence in our system.
In this paper a novel concept of ablation cell for laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) is presented. Suppression of the turbulence in the flush gas flow in the ablation region reduces the wash-out time of the ablation cell considerably. An ablation chamber which enables ICP-MS pulse duration down to several ten milliseconds has been designed. Dependence of the ICP-MS peak amplitude, width, and shape on the gas flow parameters is studied experimentally for aerosol ablated under laminar and turbulent conditions. Experiments demonstrate that the ICP-MS peak becomes sharper and the amplitude of the signal grows as the turbulence in the ablation cell is suppressed. Furthermore, the possibility of the LA-ICP-MS analysis with a sampling rate of more than 10 Hz has been demonstrated. Express in-depth profiling in the new ablation cell is demonstrated on examples of an Al -Zn multilayer structure and an industrial Mg -Zn coating.
Väter - in der Jugendhilfe übersehen, in der Familienberatung eine besondere Herausforderung?
(2007)
The paper looks at NGOs activities in Sustainable Production and
Consumption and obstacles being faced. It identifies lessons for policymakers seeking to engage civil society and makes recommendations on how academics can co-operate more effectively with civil society. Insights are drawn from recent studies on stakeholder involvement in the international political process and a series of surveys and semi-structured interviews. The authors identify four challenges. Effort should (1) be planned more strategically, (2) link sustainable consumption to current priorities, (3) ensure better links between global and local and (4) NGOs have to better link to other interest groups.