4,841 research outputs found

    Dirac quasinormal modes of two-dimensional charged Dilatonic Black Holes

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    We study charged fermionic perturbations in the background of two-dimensional charged Dilatonic black holes, and we present the exact Dirac quasinormal modes. Also, we study the stability of these black holes under charged fermionic perturbations.Comment: version accepted for publication in EPJC. arXiv admin note: substantial text overlap with arXiv:1404.5371, arXiv:1404.602

    Discharge Prospectus

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    Background and Purpose: The goals of the project are to improve the efficiency of the discharge process, to increase bed availability, to decrease readmission rates, and to increase patient satisfaction through implementation of multidisciplinary huddles. Methods: The intervention of the huddle took place on a medical-surgical unit at UC Davis Medical Center in the local Sacramento area serving various Medical Services. This was a prospective pre- and post-quality intervention by utilizing HCAPHS survey, electronic medical record, RN surveys, and discharge data collection. Results: Discharges were increased from 15% to 23%. Currently, data is up-to-date for nine months but the project rolls until January 2017. Patient satisfaction scores increased by 3%. Re-admission results were essentially unchanged in comparison to the national average. Conclusions: Multidisciplinary huddles should continue to be used to assist in optimizing the efficiency of discharges, assisting in transition of care for patients, to help increase communication across team members, and to help increase patient satisfaction

    Changes in the carbon balance of tropical forest: evidence from long-term plots

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    The role of the world’s forests as a “sink” for atmospheric carbon dioxide is the subject of active debate. Long-term monitoring of plots in mature humid tropical forests concentrated in South America revealed that biomass gain by tree growth exceeded losses from tree death in 38 out of 50 neotropical sites. These forest plots have accumulated 0.71 + 0.34 tons of carbon per hectare per year in recent decades. The data suggest that neotropical forests may be a significant carbon sink, reducing the rate of increase in atmospheric CO2

    Transitions Between Convective Patterns in Chemical Fronts

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    We present a theory for the transition from nonaxisymmetric to axisymmetric convection in iodate-arsenous acid reaction fronts propagating in a vertical slab. The transition takes place away from the onset of convection, where a convectionless flat front becomes unstable to a nonaxisymmetric convective front. The transition is studied by numerically solving a reaction-diffusion equation coupled with nonlinear hydrodynamics in a two-dimensional slab
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