Biological conceptions of race and the motivation to cross racial boundaries.

The present studies demonstrate that conceiving of racial group membership as biologically determined increases acceptance of racial inequities (Studies 1 and 2) and cools interest in interacting with racial outgroup members (Studies 3-5). These effects were generally independent of racial prejudice. It is argued that when race is cast as a biological marker of individuals, people perceive racial outgroup members as unrelated to the self and therefore unworthy of attention and affiliation. Biological conceptions of race therefore provide justification for a racially inequitable status quo and for the continued social marginalization of historically disadvantaged groups. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

LPCVD ZnO-based intermediate reflector for micromorph tandem solar cells

The use of zinc oxide (ZnO) based intermediate reflector (ZIR) in micromorph solar cells using low pressure chemical vapor deposition (LPCVD) was investigated. The influences of deposition temperature and dopant gas concentration on grain size and lateral electrical conductivity measurements are presented. Further ZIR deposition conditions were then directly evaluated in micromorph solar cell devices. Their electrical performances were compared to reference cells and cells incorporating silicon oxide based intermediate reflector. It is shown that both reduced ZIR deposition temperature and increased total flow rate allow for better performing devices with increased shunt resistance, as further supported by lock-in thermography shunt imaging. Relative micromorph efficiency increase of above 7% is shown with thin ZnO layers, along with absence of loss or even small increase of total current in the whole structure compared to cells without intermediate reflector.     

Fundamental Investigations of Thermal Aging Phenomena of Model NOx Storage Systems

Investigations of the aging behavior induced by high temperatures coupled with oxidizing atmosphere of model NO _x storage systems Ba/Al₂O₃ and Ba/CeO₂ are reported in this paper. The samples were prepared, calcined and exposed to temperatures between 500 and 1000 °C in air for 12 h for thermal aging. Samples were characterized with XRD, HRSEM, DSC-TGA-MS and BET analyses. In XRD investigations of all model systems calcined at 500 °C for 2 h, the NO _x storage component was present in form of BaCO₃. The release of CO₂ as a result of the decarbonization of the NO _x storage component at increased temperatures was verified by thermogravimetric investigations. In the case of Ba/Al₂O₃, already during calcination a partial reaction of the NO _x storage component with Al₂O₃ resulting in the formation of barium aluminate was observed. In the model system Ba/CeO₂ the decomposition of the barium carbonate started above 780 °C and the formation of a barium cerium mixed oxide was observed. The presence of the barium containing NO _x storage component has a strong influence on the specific surface area of the model NO _x storage systems. The morphology and crystallite size of CeO₂ modified with the barium containing NO _x storage component exhibited distinct changes compared to the unmodified oxide. The NO _x storage efficiency determined by model gas tests of freshly prepared and engine aged model NO _x storage catalysts correlates well with the above described observations.     

Imaging Race.

Researchers have recently begun to use the tools of neuroscience to examine the social psychological responses associated with race. This article serves as a review of the developing literature in this area. It advances the argument that neuroscience studies of race have the potential to shape fundamental assumptions about race, and the interplay between social and biological processes more generally. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Debonding initiation in a NiTi shape memory wire–epoxy matrix composite. Influence of martensitic transformation

The effect of martensitic transformation on the debonding initiation in single shape memory NiTi wire–epoxy matrix composite was studied. Three different heat treatment cycles were performed in order to obtain wires with different transformation characteristics. The composite samples were prepared using NiTi wires and steel wire for comparison. The single-wire specimens were subjected to the pull-out test. The in situ observations of the interfacial debonding and sliding behaviour during the test were carried out.     

The application of neutron activation analysis, scanning electron microscope, and radiographic imaging for the characterization of electrochemically deposited layers of lanthanide and actinide elements

Lanthanide and actinide targets are prepared at the University of Mainz by molecular plating, an electrochemical deposition from an organic solvent, for heavy-ion reaction studies at GSI. To acquire information about deposition yield, target thickness, and target homogeneity, the following analysis methods are applied.With neutron activation analysis (NAA) the deposition yield and the average thickness of the deposited material is determined. We report on the analytical procedure of NAA performed subsequent to the molecular plating process.Scanning electron microscope (SEM) is used to determine the morphology of the target surfaces. In combination with energy dispersive X-ray spectrometer (EDS), we also could obtain qualitative information about the chemical form of the deposited material. So far, gadolinium, samarium, holmium, and uranium targets have been investigated with SEM/EDS.With radiographic imaging (RI), targets of uranium prepared by molecular plating and by vacuum vaporization are investigated. This method is suitable to obtain information about the spatial distribution, the homogeneity, and the thickness of the target layer deposition.     

Calculation of Measurement Uncertainty Using Prior Information

We describe the use of Bayesian inference to include prior information about the value of the measurand in the calculation of measurement uncertainty. Typical examples show this can, in effect, reduce the expanded uncertainty by up to 85 %. The application of the Bayesian approach to proving workpiece conformance to specification (as given by international standard ISO 14253-1) is presented and a procedure for increasing the conformance zone by modifying the expanded uncertainty guard bands is discussed.     

IT-gestützte individualisierte Altersvorsorgeberatung

The paper outlines, how financial service providers can generate competitive advantages through innovative IT-support for their financial advisory processes. Therefore a generic concept for individualised financial advisory processes is enhanced by the consideration of tax and social contribution effects. This concept is operationalised for the important field of private retirement planning. Thus IT-support for the process of individualised advice is essential because of its high complexity and enables an individualised optimisation of customers’ portfolios. In cooperation with a German financial service provider this concept is already successfully implemented in a first release and will be extended and improved in the future.     

Airplanes for Everyone: A General Education Course for Non‐Engineers

The Department of Aeronautics and Astronautics, at the University of Washington, has introduced a new course to non‐engineering students. This course is distinguished by the fact that it is specifically designed for non‐engineering/science students. The course, called AA101: Air and Space Vehicles, fulfills a “natural world” graduation requirement for University undergraduates. This course has proven so popular that after the first offering it has filled the auditorium and all lab sections every quarter. It is now being offered three quarters a year. AA101 includes hands‐on learning, multi‐media presentations, and classroom demonstrations. Lab sections each week demonstrate principles learned in class and are usually centered about a fun activity. Examples include learning to fly with Microsoft Flight Simulator, building a rubber powered balsa airplane, and launching water rockets. In several of these activities, teamwork is stressed. A conscious decision in the creation of the course was to eliminate analysis in order to attract the broadest audience. Graduates of AA101 are thus familiar with the concepts but cannot apply analytical tools to aerospace engineering.