187,662 research outputs found

    Supplemental_Material – Supplemental material for Striving While Black: Race and the Psychophysiology of Goal Pursuit

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    Supplemental material, Supplemental_Material for Striving While Black: Race and the Psychophysiology of Goal Pursuit by Reed T. DeAngelis in Journal of Health and Social Behavior</p

    Cardiogenic shock in a young woman

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    Roberts-Thomson, Kurt C. ; Psaltis, Peter J. ; DeAngelis, Enz

    Supplemental Material, Appendix-jse - When to Walk Away and When to Risk It All

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    Supplemental Material, Appendix-jse for When to Walk Away and When to Risk It All by Scott DeAngelis and W. Kip Viscusi in Journal of Sports Economics</p

    Presentation1_Dynamics of an unstirred chemostat model with Beddington–DeAngelis functional response.pdf

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    This paper deals with an unstirred competitive chemostat model with the Beddington–DeAngelis functional response. With the help of the linear eigenvalue theory and the monotone dynamical system theory, we establish a relatively clear dynamic classification of this system in terms of the growth rates of two species. The results indicate that there exist several critical curves, which may classify the dynamics of this system into three scenarios: 1) extinction; 2) competitive exclusion; and 3) coexistence. Comparing with the classical chemostat model [26], our theoretical results reveal that under the weak–strong competition cases, the role of intraspecific competition can lead to species coexistence. Moreover, the simulations suggest that under different competitive cases, coexistence can occur for suitably small diffusion rates and some intermediate diffusion rates. These new phenomena indicate that the intraspecific competition and diffusion have a great influence on the dynamics of the unstirred chemostat model of two species competing with the Beddington–DeAngelis functional response.</p

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Tagging the s quark in hadronic decays of the Z

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    The DELPHI detector at LEP is equipped with RICH detectors which can be exploited for tagging decays of the Z boson into pairs, High momentum K-+/- identified with the RICH have been used both for a double tag of the s quark and for a single tag using the phi(1020) meson
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