1,467 research outputs found

    Christiane Grosz: Die Tochter

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    Berlin: Aufbau, 1987. 237 p

    Addressing Health Illiteracy in the Hispanic Community – A Call to Action: An Integrative Review

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    The United States Hispanic population is rapidly growing; however, existing healthcare endeavors are insufficiently accommodating this expansion. This demographic is linked to multiple serious health problems, including obesity, diabetes, hypertension, cardiac disease, cancer, and liver disease. In order to improve health outcomes within this community, interventions, such as health literacy screening, need to be further explored to identify current insufficiencies and help this population overcome these health challenges. This integrative review seeks to determine the effectiveness of current health literacy screening tools among native Spanish speakers in the U.S. This review seeks to amalgamate data from various studies to demonstrate common health problems and barriers experienced by the Hispanic community, the benefit of health literacy for positive client outcomes, and what health literacy screening tools are presently available. This review will be of benefit by further delving into the existing health literacy screening resources, determining which are successful/unsuccessful, and explaining why/why not. Dissemination of this discerned information will help to highlight the benefit of current screening and direct continued research on this topic, particularly for subsequent interventions

    Metrology of EUV Masks by EUV-Scatterometry and Finite Element Analysis

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    Extreme ultraviolet (EUV) lithography is seen as a main candidate for production of future generation computer technology. Due to the short wavelength of EUV light (around 13 nm) novel reflective masks have to be used in the production process. A prerequisite to meet the high quality requirements for these EUV masks is a simple and accurate method for absorber pattern profile characterization. In our previous work we demonstrated that the Finite Element Method (FEM) is very well suited for the simulation of EUV scatterometry and can be used to reconstruct EUV mask profiles from experimental scatterometric data. In this contribution we apply an indirect metrology method to periodic EUV line masks with different critical dimensions (140 nm and 540 nm) over a large range of duty cycles (1:2, ..., 1:20). We quantitatively compare the reconstructed absorber pattern parameters to values obtained from direct AFM and CD-SEM measurements. We analyze the reliability of the reconstruction for the given experimental data. For the CD of the absorber lines, the comparison shows agreement of the order of 1nm. Furthermore we discuss special numerical techniques like domain decomposition algorithms and high order finite elements and their importance for fast and accurate solution of the inverse problem.Comment: Photomask Japan 2008 / Photomask and Next-Generation Lithography Mask Technology X

    Rigorous FEM-Simulation of EUV-Masks: Influence of Shape and Material Parameters

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    We present rigorous simulations of EUV masks with technological imperfections like side-wall angles and corner roundings. We perform an optimization of two different geometrical parameters in order to fit the numerical results to results obtained from experimental scatterometry measurements. For the numerical simulations we use an adaptive finite element approach on irregular meshes. This gives us the opportunity to model geometrical structures accurately. Moreover we comment on the use of domain decomposition techniques for EUV mask simulations. Geometric mask parameters have a great influence on the diffraction pattern. We show that using accurate simulation tools it is possible to deduce the relevant geometrical parameters of EUV masks from scatterometry measurements. This work results from a collaboration between Advanced Mask Technology Center (AMTC, mask fabrication), Physikalisch-Technische Bundesanstalt (PTB, scatterometry), Zuse Institute Berlin (ZIB), and JCMwave (numerical simulation).Comment: 8 pages, 8 figures (see original publication for images with a better resolution

    Hydrogen/lithium interdiffusion in a lithium aluminosilicate glass studied by NRA and RBS

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    Samples of a lithium aluminosilicate (LAS) glass, a model glass for technical LAS glass used in the production of glass ceramics, were treated in hot sulfuric acid and analyzed using Nuclear Reaction Analysis (NRA) techniques for determining hydrogen and lithium depth profiles in the surface layer. It was found that the depth profiles of these two elements are fully complementary, showing that Hâș/Liâș ion exchange takes place during the treatment. As revealed by Rutherford Backscattering Spectrometry (RBS) measurements the other glass constituents were not affected by the treatment

    Theoretical Summary of the HADRON99 conference

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    The Constituent Quark Model has provided a remarkable description of the experimentally observed hadron spectrum but still has no firm theoretical basis. Attempts to provide a QCD justification discussed at Hadron99 include QCD Sum Rules, instantons, relativistic potential models and the lattice. Phenomenological analyses to clarify outstanding problems like the nature of the scalar and pseudoscalar mesons and the low branching ratio for ψâ€Č→ρ−π\psi' \to \rho-\pi were presented. New experimental puzzles include the observation of pˉp→ϕπ\bar p p \to \phi \pi.Comment: 10 pages, espcrc1.st

    Hand hygiene in undergraduate nursing education in Alberta

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    Nursing students must be prepared to demonstrate professional accountability and safe practice. Hand hygiene, a core skill and leading measure in the prevention of health care-associated infections, is a vital component of patient safety. The purpose of this study was to investigate the methods and frequency used to teach and assess hand hygiene during nursing education and students’ hand hygiene knowledge, beliefs, and practices, with the goal of providing information useful to nursing educators. Using a cross-sectional survey, data were collected from 285 senior nursing students from three universities in Alberta. The results indicated that although participants received frequent education on HH, there were gaps in their knowledge and practices. Assessment of hand hygiene was found to be inconsistent. The frequency of assessment was associated with positive beliefs, and positive beliefs were associated with higher rates of hand hygiene. Recommendations for nursing education were offered

    Winner-relaxing and winner-enhancing Kohonen maps: Maximal mutual information from enhancing the winner

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    The magnification behaviour of a generalized family of self-organizing feature maps, the Winner Relaxing and Winner Enhancing Kohonen algorithms is analyzed by the magnification law in the one-dimensional case, which can be obtained analytically. The Winner-Enhancing case allows to acheive a magnification exponent of one and therefore provides optimal mapping in the sense of information theory. A numerical verification of the magnification law is included, and the ordering behaviour is analyzed. Compared to the original Self-Organizing Map and some other approaches, the generalized Winner Enforcing Algorithm requires minimal extra computations per learning step and is conveniently easy to implement.Comment: 6 pages, 5 figures. For an extended version refer to cond-mat/0208414 (Neural Computation 17, 996-1009

    Asymptotic Level Density of the Elastic Net Self-Organizing Feature Map

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    Whileas the Kohonen Self Organizing Map shows an asymptotic level density following a power law with a magnification exponent 2/3, it would be desired to have an exponent 1 in order to provide optimal mapping in the sense of information theory. In this paper, we study analytically and numerically the magnification behaviour of the Elastic Net algorithm as a model for self-organizing feature maps. In contrast to the Kohonen map the Elastic Net shows no power law, but for onedimensional maps nevertheless the density follows an universal magnification law, i.e. depends on the local stimulus density only and is independent on position and decouples from the stimulus density at other positions.Comment: 8 pages, 10 figures. Link to publisher under http://link.springer.de/link/service/series/0558/bibs/2415/24150939.ht
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