5,749 research outputs found

    Frost: more confusion and unfairness in psychiatric injury claims?

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    Common Law Jurisprudence on Public Vessel Status in the United States: Annotated Cases

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    This document provides an overview of the facts and disposition of federal cases interpreting whether vessels are “public vessels” under U.S. admiralty law. This document is a supplement to Status of the U.S. Academic Research Fleet as Public Vessels under U.S. and International Law, which discusses these cases and other legal authorities relevant to a determination of whether U.S. academic research fleet vessels are public vessels. The cases in this document are arranged by circuit and type of court and are presented in reverse chronological order within each court. This document is to be used for research purposes only and is not legal advice

    A framework of distributed sensemaking in investigations

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    This paper reports the work involved in the development of the distributed sensemaking framework. The framework serves as a mechanism to describe the appropriation of elements of the distributed cognitive system in support of sensemaking in investigatory activities. Here we outline the work leading to the formulation of the distributed sensemaking framework and implications for the design of new technologies

    A Kosloff/Basal method, 3D migration program implemented on the CYBER 205 supercomputer

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    Conventional finite difference migration has relied on approximations to the acoustic wave equation which allow energy to propagate only downwards. Although generally reliable, such approaches usually do not yield an accurate migration for geological structures with strong lateral velocity variations or with steeply dipping reflectors. An earlier study by D. Kosloff and E. Baysal (Migration with the Full Acoustic Wave Equation) examined an alternative approach based on the full acoustic wave equation. The 2D, Fourier type algorithm which was developed was tested by Kosloff and Baysal against synthetic data and against physical model data. The results indicated that such a scheme gives accurate migration for complicated structures. This paper describes the development and testing of a vectorized, 3D migration program for the CYBER 205 using the Kosloff/Baysal method. The program can accept as many as 65,536 zero offset (stacked) traces

    Market structure and economic transition in the Baltic Republics

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    Each of the four countries analyzed in this study has gone through a transition period since the fall of the Soviet Union in the early 1990’s. Each has tried different strategies to change their economies and each has different results. The purpose of this paper is to explore and compare the market structure of the four countries 10 years the after transition started. The data for the study comes from the Business Environment and Economic Performance study (BEEPS) 2002 sponsored by the World Bank. While the BEEPS data does not allow us to analyze the effectiveness of the different strategies employed, the data does allow us to compare 2002 market structures and thus the results of the transition.market structure, economic transition, Baltic Republics, BEEPS study

    During visual word recognition, phonology is accessed within 100 ms and may be mediated by a speech production code: evidence from magnetoencephalography

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    Debate surrounds the precise cortical location and timing of access to phonological information during visual word recognition. Therefore, using whole-head magnetoencephalography (MEG), we investigated the spatiotemporal pattern of brain responses induced by a masked pseudohomophone priming task. Twenty healthy adults read target words that were preceded by one of three kinds of nonword prime: pseudohomophones (e.g., brein–BRAIN), where four of five letters are shared between prime and target, and the pronunciation is the same; matched orthographic controls (e.g., broin–BRAIN), where the same four of five letters are shared between prime and target but pronunciation differs; and unrelated controls (e.g., lopus–BRAIN), where neither letters nor pronunciation are shared between prime and target. All three priming conditions induced activation in the pars opercularis of the left inferior frontal gyrus (IFGpo) and the left precentral gyrus (PCG) within 100 ms of target word onset. However, for the critical comparison that reveals a processing difference specific to phonology, we found that the induced pseudohomophone priming response was significantly stronger than the orthographic priming response in left IFG/PCG at ∼100 ms. This spatiotemporal concurrence demonstrates early phonological influences during visual word recognition and is consistent with phonological access being mediated by a speech production code

    The Life of Portland Cement

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    Perhaps just a word in explanation of the title of this paper will not be amiss. We speak of Portland Cement as possessing life. We do this because the duration of its existence as Portland Cement is measurable. In contradistinction we might speak of a material such as the Sioux Falls Quartzite as being dead, since no appreciable change takes place in the body of this Quartzite, all of the elements of the Quartzite being practically at a state of rest and resisting all disintegration by the ordinary weathering agencies. Perhaps our distinction may be somewhat arbitrary and we cheerfully invite helpful criticism
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