3,726 research outputs found

    Physical and economic optima in sowing densities of spring barley in Scotland.

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    In general, studies on the patterns of innovation in industry and agriculture have described innovations that have already occurred (McCarthy, 1971). Although these studies are useful in describing the characteristics of innovations, they have not, themselves, formed part of the adoption process of any innovation. The analysis contained in this thesis involves the collection of evidence that would assist in the adoption process of a simple innovation in agriculture. The innovation proposed is the reduction in sowing densities for spring barley, which could lead to savings in costs. The evidence is both technical and economic and the arguments are set against the background of barley production and marketing, both of seed and grain, with particular reference to Scotland. Projections are made into the likely effects of some developments in the industry and the crop, and the possible future savings from density reductions are calculated. The analysis is intended not only to provide information on a specific agricultural problem but to illustrate an approach to agricultural management involving both technical and economic appraisals

    Extended HI spiral structure and the figure rotation of triaxial dark halos

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    The HI disk of the blue compact dwarf (BCD) galaxy NGC 2915 extends to 22 optical scalelengths and shows spiral arms reaching far beyond the optical component. None of the previous theories for spiral structure provide likely explanations for these very extended spiral arms. Our numerical simulations first demonstrate that such large spiral arms can form in an extended gas disk embedded in a massive triaxial dark matter halo with slow figure rotation, through the strong gravitational torque of the rotating halo. We then show that the detailed morphological properties of the developed spirals and rings depend strongly on the pattern speed of the figure rotation, the shape of the triaxial halo, and the inclination of the disk with respect to the plane including the triaxial halo's long and middle axes. These results strongly suggest that the dark matter halo of NGC 2915 is triaxial and has figure rotation. Based on these results, we also suggest that dynamical effects of triaxial halos with figure rotation are important in various aspect of galaxy formation and evolution, such as formation of polar ring galaxies, excitation of non-axisymmetric structures in low surface-brightness galaxies, and gas fueling to the central starburst regions of BCDs.Comment: 13 pages 2 figures (fig.2 = jpg format), accepted by ApJ

    Framing the detection of elder financial abuse as bystander intervention: Decision cues, pathways to detection and barriers to action

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    This article is (c) Emerald Group Publishing and permission has been granted for this version to appear here (http://bura.brunel.ac.uk/handle/2438/8569). Emerald does not grant permission for this article to be further copied/distributed or hosted elsewhere without the express permission from Emerald Group Publishing Limited.This article has been made available through the Brunel Open Access Publishing Fund.Purpose – The purpose of this paper is to explore the detection and prevention of elder financial abuse through the lens of a “professional bystander intervention model”. The authors were interested in the decision cues that raise suspicions of financial abuse, how such abuse comes to the attention of professionals who do not have a statutory responsibility for safeguarding older adults, and the barriers to intervention. Design/methodology/approach – In-depth interviews were conducted using the critical incident technique. Thematic analysis was carried out on transcribed interviews. In total, 20 banking and 20 health professionals were recruited. Participants were asked to discuss real cases which they had dealt with personally. Findings – The cases described indicated that a variety of cues were used in coming to a decision that financial abuse was very likely taking place. Common to these cases was a discrepancy between what is normal and expected and what is abnormal or unexpected. There was a marked difference in the type of abuse noticed by banking and health professionals, drawing attention to the ways in which context influences the likelihood that financial abuse will be detected. The study revealed that even if professionals suspect abuse, there are barriers which prevent them acting. Originality/value – The originality of this study lies in its use of the bystander intervention model to study the decision-making processes of professionals who are not explicitly charged with adult safeguarding. The study was also unique because real cases were under consideration. Hence, what the professionals actually do, rather than what they might do, was under investigation.Economic and Social Research Counci
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