195,914 research outputs found

    Ann R. Hull papers

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    Ann R. Hull, a Democrat, served as a member of the Maryland House of Delegates representing the second district of Prince George's County from 1967 to 1978 and was Speaker Pro Tem of the House during the 1975-1976 session. During the 1990s Hull was a member of the Board of Regents for the University of Maryland. Hull's papers relate both to the House of Delegates and to Prince George's County, and include notes, reports, pamphlets, and clippings. Issues discussed include education, civil rights, juvenile courts, public health facilities, and the Constitutional Convention of 1966-1967

    Simple drag prediction strategies for an Autonomous Underwater Vehicle’s hull shape

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    The range of an AUV is dictated by its finite energy source and minimising the energy consumption is required to maximise its endurance. One option to extend the endurance is by obtaining the optimum hydrodynamic hull shape with balancing the trade-off between computational cost and fluid dynamic fidelity. An AUV hull form has been optimised to obtain low resistance hull. Hydrodynamic optimisation of hull form has been carried out by employing five parametric geometry models with a streamlined constraint. Three Genetic Algorithm optimisation procedures are applied by three simple drag predictions which are based on the potential flow method. The results highlight the effectiveness of considering the proposed hull shape optimisation procedure for the early stage of AUV hull desig

    Generalizing the Convex Hull of a Sample: The R Package alphahull

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    This paper presents the R package alphahull which implements the ñ-convex hull and the ñ-shape of a finite set of points in the plane. These geometric structures provide an informative overview of the shape and properties of the point set. Unlike the convex hull, the ñ-convex hull and the ñ-shape are able to reconstruct non-convex sets. This flexibility make them specially useful in set estimation. Since the implementation is based on the intimate relation of theses constructs with Delaunay triangulations, the R package alphahull also includes functions to compute Voronoi and Delaunay tesselations. The usefulness of the package is illustrated with two small simulation studies on boundary length estimation.

    An evaluation of the Multi-Agency Children's Centre, Walker Street, Hull Final report

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    'Prepared for Kingston-Upon-Hull Social Services Department and Hull and Holderness Community Health (NHS) Trust'. Includes bibliographical referencesAvailable from British Library Document Supply Centre- DSC:02/42139 / BLDSC - British Library Document Supply CentreSIGLEGBUnited Kingdo

    Political correspondence relating to Kingston-upon-Hull, 1678-1835

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    This study covers aspects of political life at Kingston-upon-Hull between 1678 and 1835, and is part history and part edition. The historical section is an essay on the character and course of Hull politics between these dates. The edition on which that essay is based, consists of a selection from the surviving correspondence. The resulting picture is fragmentary, but it does contribute to our understanding of Hull at that time. The years 1678 to 1835 were marked by a political stability at Hull established during the first ten years and challenged only during the concluding five. Until the mid 1830's local political power was held by a merchant-maritime oligarchy which in times of need called upon local magnates who served the town as High Stewards. The Crown had some influence at Hull, as it was a garrison town and port; but the town corporation, Trinity House, Dock Company, and a number of wealthy families, some of whom had reached gentry status, held the monopoly of political influence. The freeman electorate was large, and as elections approached, unregistered voters pressed the Bench for their franchise. Some attempt was made by the corporation to restrict this. The paying of polling money was almost inevitable, especially in the later eighteenth century, and wise candidates also contributed to local charities, clubs and racing plates. Members of Parliament kept the town fully informed of national political issues especially up to about 1710. From then until the late 1760's the members seem less assiduous in their correspondence, and also in their performance in the Commons. Between 1766 and 1820 the Rockingham Fitzwilliam interest returned many personal nominees, and the quality of many of the members rose. These Whig magnates did not, however, have a monopoly at Hull. Wilberforce stood as an independent and later several government, or perhaps Tory candidates, were returned. Closely contested and expensive elections were common after 1796. Threats from Jacobites and American privateers, with the possibility of a French invasion, caused local political squabbles, but the French danger may have helped prevent the spread of revolutionary societies and Radicalism was really born in Hull in 1818 with the Political Protestants. However it played some part in turning Hull Whig/Liberal opinion against Liverpool's Tory government. The 1830's, with the campaign for the Reform and Municipal Corporation Acts, led to a crystallisation of local political parties which culminated in the defeat of the Tory corporation in the municipal election of 1835. The activities of the radical Acland added to the political strife, but he overplayed his hand. The stability created by conflict in the 1680's was transformed by conflict in the 1830's. The intervening years thus have some unity

    Residential patterns in the nineteenth century city Kingston upon Hull 1851

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    SIGLELD:D46960/83 / BLDSC - British Library Document Supply CentreGBUnited Kingdo

    J. R. Hull, Member Legislature

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    Photograph portrays John R. Hull, who is listed as a notary public in Clovis, New Mexico in 1911. Hull appears here clean-shaven, and wearing glasses. Accompanying notes read "J. R. Hull, Member Legislature, 1919.

    J. R. Hull, Member Legislature

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    Photograph portrays John R. Hull, who is listed as a notary public in Clovis, New Mexico in 1911. Hull appears here clean-shaven, and wearing glasses. Accompanying notes read "J. R. Hull, Member Legislature, 1919.

    Bayesian surface estimation from multiple cameras using a prior based on the visual hull and its application to image based rendering

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    The problem of visible surface estimation for image-based rendering is tackled using a new approach, which combines visual hull and surface estimation techniques. It is shown that the new method combines the best features of both approaches, being more robust than direct surface element estimation and more flexible than the visual hull. The new method uses an estimate of the visual hull as a prior on the ill-posed problem of surface element estimation. To improve the computational preformance of the algorithm, a multiresolution approach to surface patch estimation is used. The patches thus estimated can then be tracked over time, to provide an accurate model of the surface geometry, which is then used for estimation of the scene from arbitrary viewpoints. After a brief description of the algorithm, results are presented to show the improvement in performance which can be obtained using either technique alone. The paper concludes with a discussion of extensions to the work currently under investigation

    The lichen flora of Hull, with particular reference to zonal distribution and environmental monitoring

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    YesThe role of lichens as environmental monitors is widely recognised. Not only are they valuable as indicators of habitat stability and enyironmental continuity, but they are also effectiye in monitoring environmental quality. more particularly air and soil (and more recently water) pollution. In the past. the main role of lichens in this context has been to monitor sulphur dioxide air pollution. especially stable and rising levels (Seaward 1993). Howeyer, it has also been shown that lichens arc effective monitors of falling levels of gaseous sulphur dioxide and indeed of other pollutants. some of which are manifesting themselves as a consequence of the reduction in the former; of particular interest in this respect is the use of lichens to detect and determine the extent of qualitative changes in air pollution such as the impact of acid rain and hypertrophication (Seaward 1997: Seaward & Coppins 2(04)
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