4,737 research outputs found

    Research Towards High Speed Freeforming

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    Additive manufacturing (AM) methods are currently utilised for the manufacture of prototypes and low volume, high cost parts. This is because in most cases the high material costs and low volumetric deposition rates of AM parts result in higher per part cost than traditional manufacturing methods. This paper brings together recent research aimed at improving the economics of AM, in particular Extrusion Freeforming (EF). A new class of machine is described called High Speed Additive Manufacturing (HSAM) in which software, hardware and materials advances are aggregated. HSAM could be cost competitive with injection moulding for medium sized medium quantity parts. A general outline for a HSAM machine and supply chain is provided along with future required research

    The Price of Labor Peace: Popular Unrest and the National Labor Relations Act

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    The National Labor Relations Act stands as one of the most influential pieces of labor legislation in the history of the United States. The Act defines the rights and responsibilities of both employers and employees. Furthermore, the National Labor Relations Act makes the State into the chief judicial body regarding labor disputes through the National Labor Relations Board. Chiefly concerned with the circumstances that led to the passage and affected the shaping of the Act, factors such as Communist organizing, racial politics of the Deep South, and internal division within the labor movement in the 1920s are examined. Specific case studies include the Auto-Lite Strike in Toledo, Ohio (1934), the Minneapolis Teamster Strike (1934), and the West Coast Longshoremen Strike (1934)

    The R.I.C.O. Act: America\u27s Approach Against the Mafia and Corporate Crime

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    A full explanation of how the federal government has made provisions to take down the Mafia that can and have been used against corporate crime through something known as the R.I.C.O. Act of 1970, and how the courts have failed to interpret the laws that were developed with the intent to neutralize both crime syndicates and corporate crimes

    Listening beyond the border: Self-representation, witnessing, and the white sonic field

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    This paper considers the relationship between sound and the structural violence of whiteness in the context of the Australian settler colony. It thinks with an archive of audio recordings made by the Manus Recording Project Collective, a group of men currently or formerly held in involuntary and indefinite detention after seeking asylum in Australia, and their collaborators in Melbourne. Tracking the demonisation of refugees in the media and party politics over the past two decades, I develop the notion of the white sonic field as a way of accounting for the way both sound and perception are racially saturated in the settler colony. The sonic field, which comprises both the sounds we hear and the forces that mediate our hearing, is crucial to the maintenance of whiteness in the settler state, structuring perception and naturalising settlement through the repetition of possessive speech acts and the selective silencing of non-white voices. Cutting through the white sonic field are recordings from the where are you today archive produced by the Manus Recording Project Collective. I argue that these recordings reclaim the right to representation, moving beyond both the erasure of refugees and spectacle of their suffering. These recordings compel us to listen beyond the border and beyond the white sonic field, asking us to consider how we might dismantle the carceral system of mandatory and indefinite detention

    Tribal Sovereignty and Resource Destiny: Hydro Resources, Inc. v. U.S. EPA

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    An EVT Approach to calculating Risk Capital Requirements

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    This paper investigates the frequency of extreme events for three LIFFE futures contracts for the calculation of minimum capital risk requirements (MCRRs). We propose a semi-parametric approach where the tails are modelled by the Generalised Pareto Distribution and smaller risks are captured by the empirical distribution function. We compare the capital requirements from this approach with those calculated from the unconditional density and from a conditional density- a GARCH(1,1) model. Our primary finding is that for both in-sample and hold-out samples, our extreme value approach yields superior results than either of the other two models which do not explicitly model the tails of the return distribution. Since the use of these internal models will be permitted under the EC-CAD II, they could be widely adopted in the near future by European financial institutions for determining capital adequacies. Hence, close scrutiny of competing models is required to avoid a potentially costly misallocation of capital resources while at the same time ensuring the safety of the financial system.Minimum Capital Risk Requirments, Generalised Pareto Distribution, GARCH models

    In Genius-Lee : An analysis of the improvisational style of Lee Konitz

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    The following dissertation seeks to provide a detailed introduction to the musical language and body of work of the American saxophonist Lee Konitz. It aims to investigate and gain an understanding of the musical language of one of the jazz idioms most unique improvisers, and will do this by firstly discussing Kanitz\u27s life and career in order to contextualize his music. The work will then examine his major musical influences in some detail, to gain an understanding of how his highly original style developed. Finally, through transcription and analysis, it will investigate the techniques of Kanitz\u27s musical language and will examine his influence upon the jazz idiom. Being a dissertation that relates to a performance degree, the work will include some reflections on how Konitz has influenced my own playing

    Riches from rags or persistent poverty? A critical discussion of the Urban livelihoods of used-clothing traders in Mozambique

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    This paper examines the international trade in used clothes to Africa through a Global Production Network approach. The trade depends on used-clothing commodities being (re)produced from unwanted clothing in high-income countries and being exported and re-valued in Africa. A network of charitable and capitalist exchange links the richest and poorest peoples in accidental intimacy as garments are re-worn. Used-clothing traders’ livelihoods in Maputo, Mozambique are inherently linked to globalization processes. The economic geography of the production of used-clothing commodities in the United Kingdom is investigated and the import and retail of used-clothing in Maputo is mapped. The livelihoods of used clothing traders and their business strategies are explored. Within global used-clothing networks there are differential capitalisation, positionalities and power relations of market participants. Informal traders’ businesses are risky and they have low levels of influence and agency, inhibiting their ability to organise and their opportunities for representation
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