نتایج جستجو برای: 4040
تعداد نتایج: 222 فیلتر نتایج به سال:
A. V. Zozulya,1 O. M. Yefanov,1 I. A. Vartanyants,1,* K. Mundboth,2,3 C. Mocuta,2 T. H. Metzger,2 J. Stangl,3 G. Bauer,3 T. Boeck,4 and M. Schmidbauer4 1HASYLAB at DESY, Notkestrasse 85, D-22607 Hamburg, Germany 2ESRF, 6 rue Jules Horowitz, F-38043 Grenoble, France 3Institut für Halbleiterphysik, Johannes Kepler Universität Linz, A-4040 Linz, Austria 4Leibniz Institute for Crystal Growth, Max-B...
I. A. Vartanyants,1,2 I. K. Robinson,2 J. D. Onken,2 M. A. Pfeifer,2 G. J. Williams,2 F. Pfeiffer,3 H. Metzger,4 Z. Zhong,5,6 and G. Bauer6 1HASYLAB, DESY, Notkestr. 85, Hamburg D-22607, Germany 2Department of Physics, University of Illinois, 1110 W. Green St., Urbana, Illinois 61801, USA 3Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen, Switzerland 4ESRF, BP 220, 38043 Grenoble, F...
We present a study of supramolecular interactions between a highly soluble pyrollidinofullerene bearing three chelating pyridyl groups (PyF) and zincphthalocyanine (ZnPc). Photoluminescence quenching shows a non-diffusive concentration dependency, which can be explained by the formation of a non-covalently bonded supramolecular dyad. A further indication for such a complexation is Address corre...
Case Report: A 78-year-old male with relapsed Waldenstrom’s macroglobulinemia following therapy with chlorambucil underwent a five-week course of TBI. The total dose delivered was 1.5 Gy, given as 0.15 Gy twice weekly for ten sessions. During the course of therapy his CD4 cells increased from 637 (cells/mm3) to 808 partly through treatment and then declined to 654 at the completion of therapy. ...
Daniel Herr,1, 2, ∗ Alexandru Paler,3 Simon J. Devitt,4, 5 and Franco Nori6, 7 Quantum Condensed Matter Research Group, CEMS, RIKEN, Wako-shi, 351–0198, Japan Computational Physics, ETH Zurich, 8093 Zurich, Switzerland Institute for Integrated Circuits, Johannes Kepler University, Linz, 4040, Austria ARC Centre for Engineered Quantum Systems, Department of Physics and Astronomy, Macquarie Unive...
Participation in virtual communities of practice (vCoP) can be influenced at the same time by technology acceptance and by community factors. To overcome methodological issues connected with the analysis of these influences, learning analytics were applied. Based on a recent vCoP model, the collaborative dialogue comprising 4040 interventions in 1981 messages created by a vCoP located at a US A...
In randomized control trials (RCTs) in the education field, the complier average causal effect (CACE) parameter is often of policy interest, because it pertains to intervention effects for students who receive a meaningful dose of treatment services. This report uses a causal inference and instrumental variables framework to examine the identification and estimation of the CACE parameter for tw...
V. Holý,1 R. T. Lechner,2 S. Ahlers,3 L. Horák,1 T. H. Metzger,4 A. Navarro-Quezada,2 A. Trampert,5 D. Bougeard,3 and G. Bauer2 1Faculty of Mathematics and Physics, Charles University, Ke Karlovu 5, 121 16 Prague, Czech Republic 2Institut für Halbleiterund Festkörperphysik, Johannes Kepler Universität Linz, 4040 Linz, Austria 3Walter Schottky Institut, Technische Universität München, Am Coulomb...
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