نتایج جستجو برای: betz limit
تعداد نتایج: 190340 فیلتر نتایج به سال:
Moving from pediatric to adult healthcare is a time of stress and opportunity for adolescents with special healthcare needs (ASHCN) and their families. With over 90% of children with special healthcare needs surviving into young adulthood, there is an increasing imperative to actively engage youth in preparing for the adult system (Betz and Smith 2011; Pai and Schwartz 2011). The goal of transi...
We propose an extension of the Ewens measure on permutations by choosing the cycle weights to be asymptotically proportional to the degree of the symmetric group. This model is primarily motivated by a natural approximation to the so-called spatial random permutations recently studied by V. Betz and D. Ueltschi (hence the name “surrogatespatial”), but it is of substantial interest in its own ri...
A new class of diffuser augmented wind turbines (DAWTs) is presented. The new diffuser concept exploits aero-dynamic principles for the creation of high-lift airfoil configurations known from the aircraft industry. Combining this with our objective of obtaining a compact power-efficient design has enabled creation of a family of DAWT designs with energy capture potentials which exceed the power...
A. Pierret, 2 J. Loayza, 3 B. Berini, A. Betz, ∗ B. Plaçais, F. Ducastelle, J. Barjon, and A. Loiseau Laboratoire d’Etude des Microstructures, ONERA-CNRS, BP 72, 92322 Châtillon Cedex, France CEA-CNRS group “Nanophysique et Semiconducteurs”, Institut Néel/CNRS-Univ. J. Fourier and CEA Grenoble, INAC, SP2M, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France Groupe d’Etude de la Matière Condensée...
As previously reported (Pillot, Betz, Colombani, and Ripault, 1965), the Reiter Protein ComplementFixation (RPCF) test gives false positive reactions in 0 05 to 0 5 per cent. of cases as a consequence of an antipolysaccharide antibody present in the serum of some individuals. Since, during the years 1960-67, we have performed this test routinely on every patient hospitalized in our clinic, we h...
Policy-makers and scientists are increasingly worried about the declining productivity of the pharmaceutical industry. Despite growing levels of investment from governments and industry, the number of new medicines that are approved each year has declined slowly during the past three decades (Betz, 2005; Booth & Zemmel, 2004; Cuatrecasas, 2006). The increased costs of drug discovery and develop...
NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE H. Huntrieser, H. Schlager, M. Lichtenstern, A. Roiger, P. Stock, A. Minikin, H. Höller, K. Schmidt, H.-D. Betz, G. Allen, S. Viciani, A. Ulanovsky, F. Ravegnani, and D. Brunner Institut für Physik der Atmosphäre, Deutsches Zentrum für Luftund Raumfahrt (DLR), Oberpfaffenhofen, Germany nowcast GmbH, Münche...
John W. Betz is a Consulting Engineer at The MITRE Corporation. He received a Ph.D. in Electrical and Computer Engineering from Northeastern University. His work involves development and analysis of signal processing for communications, navigation, radar, and other applications. He developed the Binary Offset Carrier modulation for the GPS M code signal. During 1998 and 1999, he led the GPS Mod...
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