661 research outputs found

    While They Still Make Those Beautiful Girls : You Don\u27t Need The Wine To Have A Wonderful Time

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    https://digitalcommons.library.umaine.edu/mmb-vp/2746/thumbnail.jp

    The Crocodile : Song

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    https://digitalcommons.library.umaine.edu/mmb-vp/4956/thumbnail.jp

    The Performance of Composite Wood/Particleboard Beams Under Two-Point Loading

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    Twelve composite wood/particleboard box and I beams were tested under two-point loading. The observed flexural rigidity, EI, was found to be less than the calculated values based on properties of the individual elements. Load bearing capacity was predicted on the basis of the weakest component, which in this study appeared to be the tensile strength of the particleboard. Measured maximum loads were greater than predicted loads. The load-deflection curves were linear to failure, exhibiting virtually no warning signals prior to failure. Failure in many instances was associated with nails used to fabricate the beams. Performance of the beams was estimated to be the equivalent of an intermediate grade 2 X 10 with a 50% strength reduction

    Understanding the social in a digital age

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    Datafication, algorithms, social media and their various assemblages enable massive connective processes, enriching personal interaction and amplifying the scope and scale of public networks. At the same time, surveillance capitalists and the social quantification sector are committed to monetizing every aspect of human communication, all of which threaten ideal social qualities, such as togetherness and connection. This Special Issue brings together a range of voices and provocations around ‘the social’, all of which aim to critically interrogate mediated human connection and their contingent socialities. Conventional methods may no longer be adequate, and we must rethink not only the fabric of the social but the very tools we use to make sense of our changing social formations. This Special Issue raises shared concerns with what the social means today, unpicking and rethinking the seams between digitization and social life that characterize today’s digital age

    Explainable Droplet Recognition System for Precision Sprayer Applications

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    AI-driven detection systems are playing an increasingly important role in the advancement of precision agriculture. In this paper, we have implemented a transfer learning pipeline for water droplet detection with the intent to develop quantifiable and real-time detection of post-spray areas for precision spraying applications. The object detection pipeline effectively identified multiple features for water droplet detection from the three curated datasets. We have used two pre-trained convolutional backbones as the feature extractor and achieved an overall detection mean average precision across the three curated datasets of 0.409 and 0.277 for the ResNet50, and MobileNetV3-Large backbones respectively. Additionally, for visual explanations and interpretation, we implemented EigenCAM class activation mapping techniques to highlight the regions of the input images that are important for predictions

    Computational offloading: Supporting distributed team working through visually augmenting verbal communication

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    Abstract Distributed team working often involves close-knit groups collaborating over a large geographical space performing time-critical tasks. We present a field study of the way a dispersed team of technicians coordinate their work, highlighting the phenomenon of extraneous 'detective work' -where much communication, via walkie-talkies, needs to take place to resolve uncertainty arising in their work. We suggest one way of improving the way team members maintain their awareness of what is going on in different places and times is to offload some of the computation involved, by augmenting the verbal channel with visual information. Using the external cognition framework, we describe how we designed a dynamic visualization that allowed salient verbal information to be re-represented as an external cognitive trace. To test our assumption about externalization and computational offloading, we carried out an experiment, with three different conditions: visualization, pen and paper and no cognitive aid. Our findings showed that allowing users to create and view a dynamic visualization improves awareness of what is going on and the way distributed work is coordinated

    Neuropsychiatric features of Parkinson's disease in the era prior to the use of dopaminergic therapies

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    BACKGROUND: Psychosis in Parkinson's disease includes hallucinations and delusions. Other non-psychotic neuropsychiatric features include depression, anxiety and apathy. There is currently controversy over whether psychosis in Parkinson's is an intrinsic part of the disorder or the result of dopaminergic medications. This study aimed to examine a historical cohort of individuals with Parkinson's prior to the use of dopaminergic therapy to assess the prevalence of psychotic and other neuropsychiatric features. METHODS: The case notes of patients with Parkinson's disease admitted to the National Hospital for Neurology and Neurosurgery, London between 1924 and 1946 were examined. Demographic and clinical variables were extracted along with any neuropsychiatric features. Cases meeting criteria for encephalitis lethargica were excluded. RESULTS: 115 cases of individuals with Parkinson's disease were identified. 58 (41.7%) were female. Mean age was 54.0 (SD 9.6) years and mean time since Parkinson's diagnosis was 5.3 (SD 5.7) years. No individuals met criteria for encephalitis lethargica. No cases of hallucinations or delusions were reported. There was one case of an illusion in a patient who was using anticholinergic medication. Other neuropsychiatric features reported were sleep disorder (present in 10, 8.7%), depression (8, 7.0%), memory impairment (5, 4.3%), impulsivity (4, 3.5%), bradyphrenia (4, 3.5%), impaired attention (3, 2.6%), anxiety (1, 0.9%), fatigue (1, 0.9%) and apathy (1, 0.9%). CONCLUSIONS: Prior to the use of dopaminergic therapies, patients with Parkinson's disease admitted to hospital rarely, if ever, reported psychotic symptoms, although other neuropsychiatric symptoms were more prevalent. The main limitation is that a lack of systematic enquiry about psychotic symptoms may have resulted in underreporting

    Distributing and handling grain-feeds in New Hampshire, Station Bulletin, no.426

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    The Bulletin is a publication of the New Hampshire Agricultural Experiment Station, College of Life Sciences and Agriculture, University of New Hampshire, Durham, New Hampshire

    Tribes\u27 Reply to the State

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    The Tribes\u27 response to basic arguments made by the State, with reference to its proposed findings and the Tribes\u27 proposed findings, where appropriate
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