1,090 research outputs found

    Developing ODP student placements

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    In a similar way to nursing and other health professions, elements of the education of operating department practitioners (ODPs) can only be contextualised by clinical practice involvement (Stockhausen and Strutt, 2005; Higginson, 2006; Morgan, 2006). The importance of high-quality placement experiences for all UK health professions is widely acknowledged (Quality Assurance Agency, 2001). Prior to 2009, students on the Diploma in Higher Education ODP programme undertook four clinical placements in the same Trust or organisation. At the time of the project there was a shortfall in the number of placements available and, although the university explored placing students in different clinical areas, such as private healthcare providers and new areas in the NHS, none could provide the full learning experience for students to achieve the required competencies. The course team developed a system that uses placements in a variety of settings and ensures students can gain the required outcomes. The new approach involves auditing for individual placements, instead of for the full course duration. Students are now informed throughout recruitment and selection events that they should be undertaking placements in a minimum of three different organisations. Students now move to a different organisation with every experience, to gain a variety of clinical knowledge. This has resulted in the greater use of clinical placements and the development of new areas for students to gain experience. The benefits of students’ experiences have increased, as they can develop skills and understanding of the ODP role from different perspectives

    Tropical Pacific spatial trend patterns in observed sea level: internal variability and/or anthropogenic signature?

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    In this study we focus on the sea level trend pattern observed by satellite altimetry in the tropical Pacific over the 1993–2009 time span (i.e. 17 yr). Our objective is to investigate whether this 17-yr-long trend pattern was different before the altimetry era, what was its spatio-temporal variability and what have been its main drivers. We try to discriminate the respective roles of the internal variability of the climate system and of external forcing factors, in particular anthropogenic emissions (greenhouse gases and aerosols). On the basis of a 2-D past sea level reconstruction over 1950–2009 (based on a combination of observations and ocean modelling) and multi-century control runs (i.e. with constant, preindustrial external forcing) from eight coupled climate models, we have investigated how the observed 17-yr sea level trend pattern evolved during the last decades and centuries, and try to estimate the characteristic time scales of its variability. For that purpose, we have computed sea level trend patterns over successive 17-yr windows (i.e. the length of the altimetry record), both for the 60-yr long reconstructed sea level and the model runs. We find that the 2-D sea level reconstruction shows spatial trend patterns similar to the one observed during the altimetry era. The pattern appears to have fluctuated with time with a characteristic time scale of the order of 25–30 yr. The same behaviour is found in multi-centennial control runs of the coupled climate models. A similar analysis is performed with 20th century coupled climate model runs with complete external forcing (i.e. solar plus volcanic variability and changes in anthropogenic forcing). Results suggest that in the tropical Pacific, sea level trend fluctuations are dominated by the internal variability of the ocean–atmosphere coupled system. While our analysis cannot rule out any influence of anthropogenic forcing, it concludes that the latter effect in that particular region is stillhardly detectable

    A Magnetic Dynamo Origin For The Sub-mm Excess In Sgr A*

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    The sub-mm bump observed in the spectrum of Sgr A* appears to indicate the existence of a compact emitting component within several Schwarzschild radii, rSr_S, of the nucleus at the Galactic Center. This is interesting in view of the predicted circularized flow within 510rS\sim 5-10 r_S, based on detailed multi-dimensional hydrodynamic simulations of Bondi-Hoyle accretion onto this unusual object. In this paper, we examine the physics of magnetic field generation by a Keplerian dynamo subject to the conditions pertaining to Sgr A*, and show that the sub-mm bump can be produced by thermal synchrotron emission in this inner region. This spectral feature may therefore be taken as indirect evidence for the existence of this circularization. In addition, the self-Comptonization of the sub-mm bump appears to produce an X-ray flux exceeding that due to bremsstrahlung from this region, which may account for the X-ray counterpart to Sgr A* discovered recently by {\it Chandra}. However, the required accretion rate in the Keplerian flow is orders of magnitude smaller than that predicted by the Bondi-Hoyle simulations. We speculate that rapid evaporation, in the form of a wind, may ensue from the heating associated with turbulent mixing of gas elements with large eccentricity as they settle down into a more or less circular (i.e., low eccentricity) trajectory. The spectrum of Sgr A* longward of 12\sim 1-2 mm may be generated outside of the Keplerian flow, where the gas is making a transition from a quasi-spherical infall into a circularized pattern.Comment: 40 pages, 9 figure

    Polarimetric Imaging of the Massive Black Hole at the Galactic Center

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    The radio source Sgr A* in the Galactic center emits a polarized spectrum at millimeter and sub-millimeter wavelengths that is strongly suggestive of relativistic disk accretion onto a massive black hole. We use the well-constrained mass of Sgr A* and a magnetohydrodynamic model of the accretion flow to match both the total flux and polarization from this object. Our results demonstrate explicitly that the shift in the position angle of the polarization vector, seen at wavelengths near the peak of the mm to sub-mm emission from this source, is a signal of relativistic accretion flow in a strong gravitational field. We provide maps of the polarized emission to illustrate how the images of polarized intensity from the vicinity of the black hole would appear in upcoming observations with very long baseline radio interferometers (VLBI). Our results suggest that near-term VLBI observations will be able to directly image the polarized Keplerian portion of the flow near the horizon of the black hole.Comment: 12 pages, 2 figures, Accepted for publciation in ApJ Letter

    Plasma Perturbations and Cosmic Microwave Background Anisotropy in the Linearly Expanding Milne-like Universe

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    We expose the scenarios of primordial baryon-photon plasma evolution within the framework of the Milne-like universe models. Recently, such models find a second wind and promise an inflation-free solution of a lot of cosmological puzzles including the cosmological constant one. Metric tensor perturbations are considered using the five-vectors theory of gravity admitting the Friedmann equation satisfied up to some constant. The Cosmic Microwave Background (CMB) spectrum is calculated qualitatively.Comment: 20 page

    Analisis Komitmen Organisasi Melalui Faktor Quality of Work Life (Studi Kasus Fakultas Ekonomi Dan Manajemen Institut Pertanian Bogor)

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    The purpose of this study were (1) to analyze the Quality of work life (QWL)condition in FEM, (2) to analyze the relationship between organizational commitment with the Quality of work life (QWL) in FEM, (3) to analyze Quality of Work Life (QWL) factors was the most influential on organizational commitment in the FEM. Type of data used in this study are primary and secondary data. Census method was the sampling method was used in this research. Processing and data analysis in this study was using SPSS software, Minitab, and Microsoft Excel. Results from this study indicated that the WQL has been pretty good in the FEM IPB. The relationship between quality of work life with organizational commitment has been good with a Spearman correlation showed a positive relationship, significant and rather strong. Quality of work life factors that most influence on organizational commitment is the integration of work environment factors with coefficients of a high standard compared to other factors that QWL

    Penentuan Status Gizi Balita Berbasis Android Menggunakan Metode Analitycal Hierarchy Process (AHP)

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    Penentuan status gizi merupakan suatu upaya yang dilakukan dalam rangka meningkatkan derajat kesehatan Balita. Status gizi adalah keadaan tubuh sebagai akibat konsumsi makanan dan penggunaan zat-zat gizi. Status gizi dibedakan menjadi status gizi buruk, kurang dan lebih. Berikut data status gizi di Kabupaten Banyumas. Banyaknya Balita yang masuk dalam gizi kurang di Kabupaten Banyumas mengalami peningkatan dari tahun 2002 ke tahun 2003 sebesar 2,3 persen namun mengalami penurunan dari tahun 2003 yang sebesar 18,5 persen menjadi 14,98 pada tahun 2005. Sementara Balita yang masuk dalam kategori gizi normal cukup besar presentasenya di wilayah Kabupaten Banyumas yaitu sebesar 76,26 persen namun berkurang di tahun 2003 menjadi 74,02 persen dan meningkat kembali pada tahun 80,16 persen. Penelitian ini mencoba merancang suatu apilikasi sistem pendukung keputusan yang digunakan untuk menentukan status gizi Balita. Sistem yang dirancang dengan menggunakan metode Analitycal Hierarchy Process (AHP) dan berbasis android. AHP merupakan salah satu teknik dalam pengambilan keputusan. Data yang masuk nanti akan diproses dengan AHP untuk menghasilkan rekomendasi keputusan. Indikator yang digunakan dalam penelitian ini diantaranya Berat Badan menurut Umur (BB/U), Tinggi Badan menurut Umur (TB/U), dan Berat Badan menurut Tinggi Badan (BB/TB
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