7,771 research outputs found

    Crystal structures of N ′-Aminopyridine-2-carboximidamide and N ′-{[1-(pyridin-2-yl)ethylidene]amino}pyridine-2-carboximidamide

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    © Eya'ane Meva et al. 2017. The crystal structures of N,-Aminopyridine-2-carboximidamide (C 6 H 8 N 4 ), 1, and N,-{[1-(pyridin-2-yl)ethylidene]amino}pyridine-2-carboximidamide (C 13 H 13 N 5 ), 2, are described. The non-H atoms in compound 1 are nearly planar (r.m.s. deviation from planarity = 0.0108 Å ), while 2 is twisted about the central N-N bond by 17.8 (2)-. Both molecules are linked by intermolecular N-H·N hydrogen-bonding interactions; 1 forms a two-dimensional hydrogen-bonding network and for 2 the network is a one-dimensional chain. The bond lengths of these molecules are similar to those in other literature reports of azine and diimine systems

    The role of local government in development with special reference to Middelburg

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    A discourse submitted to the Faculty of Architecture, University of the Witwatersrand, Johannesburg, in partial fulfillment of the requirements for the degree of Master of Science in Development Planning. Johannesburg, 1991During the 1980s considerable attention was focused on the need to develop institutions to draw populations into development efforts. Local government was the recipient of much of this attention. This study is concerned with the role of local government in development, and problems that are experienced in playing a developmental tole. In particular, it is concerned with international experience of local government as a development institution, and the relevance of that experience to SA. [No abstract provided. Information taken from introduction]MT201

    Reproducing gender? Intergenerational links and the male PE teacher as a cultural conduit in teaching physical education

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    Copyright © 2004 Human Kinetics Publishers, Inc.Drawing on illustrations from a recent life history study that focused on male student teachers as they negotiated their way through a 1-year postgraduate certificate in education (PGCE) physical education teacher training course at a university in England, this paper explores how teachers are implicated in the social construction of gender relations in teaching physical education and school sport. The perspective forwarded is that the embodied gendered dispositions student teachers bring into the profession constitute a powerful influence on their professional behavior, and that the development and legitimation of these dispositions might be traced to key relationships with other physical education and coaching professionals. In so doing, we identify key moments in a process of cultural reproduction and conclude that teachers might be viewed as intergenerational living links or cultural conduits in the construction and transmission of particular gender orientations and practices in the profession. We conclude that future research needs to be intergenerational in focus if we are to better understand how these links act as channels in reproducing gender relations and how we might rupture and challenge them

    Determining the Extent of Market and Extent of Resource for Stated Preference Survey Design Using Mapping Methods

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    Determining the appropriate survey population and the commodity to be valued are among the most fundamental design decisions for stated preference (SP) surveys. However, often little information is available about who in the population holds measurable value for the resource (the extent of the market) and their perceptions regarding the scope of the resource to be valued (the extent of the resource). In this paper, we present a novel approach using cognitive mapping interview techniques to shed light on these design questions. The method also provides ancillary information that assists in the interpretation of information collected during focus groups and through SP survey administration. The approach was developed and tested as part of an ongoing study on environmental degradation associated with acidification in the Southern Appalachian Mountain region. Although damage from acidification in the study region is broad, it is not clear whether residents of this region care, in both a use and nonuse sense, about resources in their states of residence, in neighboring states, on public lands, or more broadly across the region. From a pilot study, we found that participants show a significant home-state preference in the number and size of natural areas that they value within the larger Southern Appalachian Mountain region. However, this preference is not strong enough to suggest that the market for improving these resources is solely constrained to residents of the state in which the resource is located.stated preference, cognitive mapping, extent of market, extent of resource, definition of commodity

    Coping with Poorly Understood Domains: the Example of Internet Trust

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    The notion of trust, as required for secure operations over the Internet, is important for ascertaining the source of received messages. How can we measure the degree of trust in authenticating the source? Knowledge in the domain is not established, so knowledge engineering becomes knowledge generation rather than mere acquisition. Special techniques are required, and special features of KBS software become more important than in conventional domains. This paper generalizes from experience with Internet trust to discuss some techniques and software features that are important for poorly understood domains

    The Retirement Adjustment Process: Changes in the Well-being of Male Retirees Across Time

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    The purpose of this prospective study was to (1) evaluate the impact of retirement, (2) monitor the change in adjustment across time, and (3) identify the resources predictive of short- and long-term adjustment in retirement. A sample of 117 male retirees was assessed on indices of physical and psychological health, perceived control, retirement satisfaction, and life satisfaction at 2-4 months preretirement, 1 year post-, and 6-7 years postretirement. The results provided support for a positive impact of retirement, as retirees evidenced increases in well-being during the first year. There was also evidence of a retirement adjustment process, in that aspects of well-being (i.e., psychological health) changed from short- to long-term retirement. Finally, physical health, income, and voluntary retirement status predicted short-term adjustment, while internal locus of control was an additional resource for long-term adjustment. Changes in resources over time also differentially predicted short- and long-term adjustment (e.g., an increase in internal locus of control predicted an increase in activity satisfaction at 1 year but not at 6-7 years postretirement

    The long road from local communities to professional sport and the culture of the global sport industry for indigenous Australians

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    This article draws on the findings of a three-year, inter-disciplinary study conducted on the journeys of sixteen Australian Indigenous sportsmen from their first touch of the ‘footy’ to the most elite levels of Australian football and rugby league and the central role of culture in these journeys. The first stage of their journeys involved the development of expertise and a distinctively Indigenous approach to their sport from early childhood to around the age of around thirteen. The second stage involved dealing with the challenges of cultural transitioning from small, local communities and practices to professional sport and the global culture of the sport industry
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