32,392 research outputs found

    Southstreet Seaport Boats

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    Social Justice Through the Lens of the Cross: A Case for a Biblical Foundation of Social Work

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    Social work values social justice, as the profession promotes the well-being of society and the rights each person holds. Although social justice is a core value of social work, it is necessary to address the value’s foundation, and questioning the “why” behind social justice calls for a deeper understanding of social work. Using the “Inside-Out” apologetic approach demonstrates how the secular grounding of social work neglects to provide the foundation required to make claims on the necessity of social justice. A Christian foundation, however, offers the grounding needed to support the values and mission of social work, and it is valuable to support a Christian understanding of social work

    Discrete--time ratchets, the Fokker--Planck equation and Parrondo's paradox

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    Parrondo's games manifest the apparent paradox where losing strategies can be combined to win and have generated significant multidisciplinary interest in the literature. Here we review two recent approaches, based on the Fokker-Planck equation, that rigorously establish the connection between Parrondo's games and a physical model known as the flashing Brownian ratchet. This gives rise to a new set of Parrondo's games, of which the original games are a special case. For the first time, we perform a complete analysis of the new games via a discrete-time Markov chain (DTMC) analysis, producing winning rate equations and an exploration of the parameter space where the paradoxical behaviour occurs.Comment: 17 pages, 5 figure

    Subordination in Children’s Writing

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    This paper reports an investigation into the use of subordinate clauses in the writing of a class of seven to nine year old children when attempting five different writing tasks. The investigation was undertaken in part-response to an inspection report on the school by the Office for Standards in Education (Ofsted) which recommended that the school should extend the writing skills of pupils in this age-range. The importance of developing subordination in writing is related to previous research and to evidence from reviews of Ofsted inspection evidence. The different patterns of subordination are discussed, between tasks and pupils and in relation to variation in the writing of individual children when tackling the different tasks. The paper ends by suggesting how similar informal investigations can assist schools in promoting writing development. It also outlines how the teaching approaches outlined in the National Literacy Strategy will provide opportunities for this promotion, particularly by exploiting links between reading and writing

    Parthenolide eliminates leukemia-initiating cell populations and improves survival in xenografts of childhood acute lymphoblastic leukemia

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    Key Points First report demonstrating in vivo elimination of multiple LIC populations from childhood ALL cases using animal models. In vivo models of leukemia are essential for drug evaluation studies.</jats:p

    Design evaluation criteria for commercial STOL transports

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    Handling qualities criteria and operational performance margins have been determined for the landing phase of commercial short-takeoff-and-landing airplanes. The requirements are the result of a literature survey, analysis of areas found to be inadequately covered by current criteria, and a subsequent piloted simulator investigation of critical criteria requiring substantiation. Three complete simulator models were used, each describing the characteristics of a different high-lift system, the externally blown flap, the augmentor flap, and the internally blown flap. The proposed criteria are presented with substantiating discussions from currently available data or directly from the results of this simulation work where it is applicable

    Imagination as a Response to Naturalism: C.S. Lewis’s The Chronicles of Narnia in Light of the Anscombe Affair

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    In this paper I suggest The Chronicles of Narnia were occasioned by Elizabeth Anscombe’s critique of chapter three of Miracles. Instead of a retreat from debate, The Chronicles show that the Supernatural is not something to be contemplated, but instead experienced. In the stories, the children’s dominant naturalism and ignorance of Supernaturalism personally encounter the highest Supernatural being. When transitioning from Miracles to The Chronicles of Narnia, Lewis’s writing altered from operating under the Argument from Reason to the experience of imagination in order for the reader to personally experience – not contemplate – Supernaturalism. Fairytale, romance, and archetypes create the perfect framework for the reader to enjoy the hidden divinity of Supernaturalism in The Chronicles without distracting him with contemplation

    Clustering and Micro-immiscibility in Alcohol-Water Mixtures: Evidence from Molecular Dynamics Simulations

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    We have investigated the hydrogen-bonded structures in liquid methanol and a 7:3 mole fraction aqueous solution using classical Molecular Dynamics simulations at 298K and ambient pressure. We find that, in contrast to recent predictions from X-ray emission studies, the hydrogen-bonded structure in liquid methanol is dominated by chain and small ring structures. In the methanol-rich solution, we find evidence of micro-immiscibility, supporting recent conclusions derived from neutron diffraction data.Comment: 5 pages, 4 figure
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