6,313 research outputs found

    Cook Bicentenary Index: Royal Society Collection

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    Cook Bicentenary Presented by A.J.White, Agent-General, London, 1970 to commemorate the bi-centenary of Cook's landing. Cook Bicentenary gift. RS.107 1. Captain James Cook, circa 1820 Engraving by W.Hall, from the painting by Nathaniel Dance (1776), printed by Fisher, Son & Co., with facsimile of Cook's signature. Printed about 1820. This print has been mounted and inscribed (on mount) 'To the Trustees, Royal Society of Tasmania, Greetings & Salutations'. This print was carried as a despatch on the Barquentine "Regina Maris" to commemorate the 200th Anniversary of the voyage made by Captain Cook in the "Endeavour" when he discovered the East Coast of Australia in the year 1770. The "Regina Maris" followed the track taken by Captain Cook. [signed] A.J.White, Agent General for Tasmania' (Engraved print, mounted) RS. 107/l 2. Newspaper cutting (The Times) on sale of Cook's log book and journal. 29 November 1960 RS.107/2 3. "James Cook, his early life and the Endeavour voyage. An introduction to a bicentenary exhibition arranged by the National Library of Australia". Canberra 1970. [by Pauline Fanning]. (Pamphlet) RS.10

    Survey Hamilton begins in AJ Seeley Gully

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    'Survey Hamilton' is a collaborative documentary research project, generated by the New Documentary research cluster in the School of Media Arts, Wintec. This article in the Waikato Independent online news website outlines the project and features the first completed outcome from Survey Hamilton. The article conatins a video (3 min 54 sec) which is created from still photographs and recorded monologue from Hamilton resident Dr Seeley. The video describes his efforts in transforming an inner city gully into a native forest

    On the AJ Conjecture for Knots

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    We confirm the AJ conjecture [Ga2] that relates the A-polynomial and the colored Jones polynomial for hyperbolic knots satisfying certain conditions. In particular, we show that the conjecture holds true for some classes of two-bridge knots and pretzel knots. This extends the result of the first author in [Le2], who established the AJ conjecture for a large class of two-bridge knots, including all twist knots. Along the way, we explicitly calculate the universal SL₂(C)-character ring of the knot group of the (−2, 3, 2n + 1)-pretzel knot, and show it is reduced for all integers n

    Discovery of a single faint AGN in a large sample of z > 5 Lyman break galaxies

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    As part of a large spectroscopic survey of z > 5 Lyman break galaxies (LBGs), we have identified a single source which is clearly hosting an active galactic nucleus (AGN). Out of a sample of more than 50 spectroscopically confirmed R-band dropout galaxies at z∼ 5 and above, only J104048.6−115550.2 at z= 5.44 shows evidence for a high ionization potential emission line indicating the presence of a hard ionizing continuum from an AGN. Like most objects in our sample the rest-frame-UV spectrum shows the UV continuum breaking across a Lyα line. Uniquely within this sample of LBGs, emission from N V is also detected, a clear signature of AGN photoionization. The object is spatially resolved in Hubble Space Telescope (HST) imaging. This, and the comparatively high Lyα/N V flux ratio indicates that the majority of the Lyα (and the UV continuum longward of it) originates from stellar photoionization, a product of the ongoing starburst in the LBG. Even without the AGN emission, this object would have been photometrically selected and spectroscopically confirmed as a Lyman break in our survey. The measured optical flux (IAB= 26.1) is therefore an upper limit to that from the AGN and is of order 100 times fainter than the majority of known quasars at these redshifts. The detection of a single object in our survey volume is consistent with the best current models of high redshift AGN luminosity function, providing a substantial fraction of such AGN is found within luminous starbursting galaxies. We discuss the cosmological implications of this discovery

    Use of a modified Delphi approach to develop research priorities for the Association of Coloproctology of Great Britain and Ireland.

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    AIM:The modified Delphi approach is an established method for reaching a consensus opinion among a group of experts in a particular field. We have used this technique to survey the entire membership of the Association of Coloproctology of Great Britain and Ireland (ACPGBI) to reach a consensus on prioritizing clinical research questions in colorectal disease.METHOD:Three rounds of surveys were conducted using a web-based tool. In the first, the ACPGBI membership was invited to submit research questions. In Rounds 2 and 3 they were asked to score questions on priority. A steering group analysed the results of each round to identify those questions ranked as being of highest priority.RESULTS:Five hundred and two questions were submitted in Round 1. Following two rounds of voting and analysis, a list of 25 priority questions was produced, including 15 cancer-related and 10 noncancer-related questions.CONCLUSION:It is anticipated that these results will: (i) set the research agenda over the next few years for the study of colorectal disease in the United Kingdom, (ii) promote development and (iii) define funding of new research and prioritize areas of unmet clinical need where the potential clinical impact is greatest

    The author, the text, and the (post)critic: notes on the encounter between postcritique and postcolonial criticism

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    The article confronts postcolonial criticism with postcritique, a proposal by Rita Felski for a hermeneutic strategy aiming to overcome the limits of critique. Because of its self-reflexivity, its liaison with poststructuralism, and the societal categories it mobilizes, postcritics often see postcolonial criticism as a quintessential example of critique. However, postcolonial authors share similar concerns as postcritics, particularly when warning against any hasty conflation between intellectual work and political commitment. This article argues that the postcritical understanding of critique eschews the connection between critique and the realm of culture, thereby running the risk of doing away with context altogether. In order to account for the frameworks or contexts in which cultural objects are produced, without falling into some of the pitfalls of critique that postcritique aims to counter, the article proposes to look at the figure of the author as a bridge between the individual and the collective, as Edward Said suggests. The article closes with an analysis of several (critical and postcritical) readings of J. M. Coetzee’s The Childhood of Jesus to provide an example of how authorship can enter the interpretive scene through the figure of ‘late style’

    Exploring the roles, effectiveness and impact of health information professionals within evidence based practice

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    This is the thesis (critical appraisal) component of a PhD by Published Works. The overall submission was a portfolio of ten published papers supported by a critical appraisal focusing on two key areas: an exploration of the roles that Health Information Professionals (HIPs) can play within evidence based practice (EBP) and an exploration of the effectiveness and impact of the traditional supportive role played by HIPs within EBP. The published papers are listed and referenced within this document but not contained within it. The majority are available elsewhere within the University of Salford Institutional Repository.Drawing on a model developed from the library literature, the thesis highlights a wide range of supportive and active roles that HIPs can potentially play within EBP. This model is informed and illuminated by the studies within the portfolio that demonstrate how the author has fulfilled a wide range of these roles in practice, and identified a new role within systematic reviews in health and social care. This demonstrates that HIPs can transfer their skills outside their traditional library and information practice domain, thus extending theirrole and offering a range of professional opportunities.Using a varied range of research methodologies, the thesis also explores the effectiveness and impact of the contribution made by HIPs when using traditional skills to support EBP. Two models are used to illustrate the outcomes to which HIPs contribute. These include improving search skills and providing evidence which can, over the longer term, contribute to policy making and patient care. At present the weight of the evidence presented tosupport these links is weak. Methodological issues and future research that needs to be addressed to improve the strength of the evidence base are therefore highlighted and discussed

    The XMM-Newton long look of NGC 1365: uncovering of the obscured X-ray source

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    We present an analysis of the extreme obscuration variability observed during an XMM–Newton 5-d continuous monitoring of the active galactic nuclei (AGN) in NGC 1365. The source was in a reflection-dominated state in the first ∼1.5 d, then a strong increase in the 7–10 keV emission was observed in ∼10 h, followed by a symmetric decrease. The spectral analysis of the different states clearly shows that this variation is due to an uncovering of the X-ray source. From this observation, we estimate a size of the X-ray source DS < 1013 cm, a distance of the obscuring clouds R∼ 1016 cm and a density n∼ 1011 cm−3. These values suggest that the X-ray absorption/reflection originates from the broad-line region clouds. This is also supported by the resolved width of the iron narrow Kα emission line, consistent with the width of the broad Hβ line

    Galaxy Zoo:chiral correlation function of galaxy spins

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    Galaxy Zoo is the first study of nearby galaxies that contains reliable information about the spiral sense of rotation of galaxy arms for a sizeable number of galaxies. We measure the correlation function of spin chirality (the sense in which galaxies appear to be spinning) of face-on spiral galaxies in angular, real and projected spaces. Our results indicate a hint of positive correlation at separations less than ~0.5 Mpc at a statistical significance of 2-3 sigma. This is the first experimental evidence for chiral correlation of spins. Within tidal torque theory it indicates that the inertia tensors of nearby galaxies are correlated. This is complementary to the studies of nearby spin axis correlations that probe the correlations of the tidal field. Theoretical interpretation is made difficult by the small distances at which the correlations are detected, implying that substructure might play a significant role, and our necessary selection of face-on spiral galaxies, rather than a general volume-limited sample
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