145 resultados para Lean Thinking

em Deakin Research Online - Australia


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Remote and environmentally sensitive sites present unique challenges for participants involved in the design and construction process. Worldwide advances in information technology coupled with improved site accessibility and manageability has enabled the construction industry to undertake such projects with greater ease. Furthermore, research on information technology in construction has begun to focus our attentions on our increased ability to work virtually in distributed teams. These remote sites have a range of development potential as clients have varied interests including; tourism, scientific investigation and resource exploration and processing which impact upon the management of the design process. These sites pose unique challenges to the project teams and in particular for the management of project design. The conceptual design phase is often marked by an iterative and creative process, which tends to be a sociologically oriented world where designers respond to a range of functional, aesthetic, environmental and even spiritual concerns. Strategic decisions made during the briefing and conceptual design stage may impact upon construction logistics and sustainability. Detailed design for construction tends to be a production oriented world. There is a significant body of literature that addresses the application of lean thinking to improving the interface between detailed design and construction production. There is little literature that takes a holistic view of design management for remote sites. The lean design management field of research has much to contribute to the design management of these projects. The review of the literature indicated that much of the lean thinking has been primarily concerned with sequential production. However, lean thinking is based upon principles of flow and value, which is also conducive to the complex process involved in design management for remote sites. A conceptual model is developed that considers both the production and sociological approaches to design management, in response to the peculiar demands of the site and their project teams.

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This chapter revises and expands the following paper: Gough, Noel (2002). Thinking/acting locally/globally: Western science and environmental education in a global knowledge economy. International Journal of Science Education, 24(11), 1217-1237. The author hereby acknowledges the prior publication of substantial portions of this chapter by Taylor & Francis Ltd.

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This study investigated whether there was a worsening of the neuromuscular capacity of older adults after the seventh decade of life. The results suggest that the age-related deterioration in maximal strength measures and rapid force production characteristics in older adults could be related to a reduction in the mass and neural activation of the thigh muscles.

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In recent years in Australia, accounting regulations have been developed that require the adoption of commercial accounting and reporting practices by public-sector organisations, including the recognition of cultural, heritage and scientific collections as assets by non-profit cultural organisations. The regulations inappropriately apply traditional accounting concepts of accountability and performance, notwithstanding that the primary objectives of many of the organisations affected are not financial. This study examines how this was able to occur within the ideas outlined in Douglas’s (1986) How Institutions Think. The study provides evidence to demonstrate that the development; promotion, and defense of the detailed accounting regulations were each constrained by institutional thinking and, as a result, only certain questions were asked and many problems and issues associated with the regulations were not addressed. Thus, it seeks to further our understanding of the nature and limits of change in accounting and the role of institutions in promoting and defending changes to accounting practice.

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In an environment characterised by flux and uncertainty, a capacity for innovative, divergent strategic thinking rather than conservative, convergent strategic planning is seen as central to creating and sustaining competitive advantage. As the case study of Communications Co. illustrates, scenario planning is one tool that many organisations, committed to redesigning their strategic planning processes, are using with some success. However, scenario planning requires both left- and right-brain thinking styles. The elements of left-brain thinking reflect the planning side of strategy making, while right-brain thinking mirrors the thinking component of strategy making. The relationship between the factors that enable strategic thinking and the level of “emotional intelligence” of business leaders is also considered. The Communications Co. case findings appear to support the view that while strategic thinking capabilities can be nurtured and diffused through an organisation, it will need business leaders with a high degree of emotional intelligence to lead the way.

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This paper critically appraises a number of approaches to 'thinking globally' in environmental education, with particular reference to popular assumptions about the universal applicability of Western science. Although the transnational character of many environmental issues demands that we 'think globally', I argue that the contribution of Western science to understanding and resolving environmental problems might be enhanced by seeing it as one among many local knowledge traditions. The production of a 'global knowledge economy' in/for environmental education can then be understood as creating transnational 'spaces' in which local knowledge traditions can be performed together, rather than as creating a 'common market' in which representations of local knowledge must be translated into (or exchanged for) the terms of a universal discourse.

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Aims/hypothesis: Recruitment of the protein c-Cbl to the insulin receptor (IR) and its tyrosine phosphorylation via a pathway that is independent from phosphatidylinositol 3prime-kinase is necessary for insulin-stimulated GLUT4 translocation in 3T3-L1 adipocytes. The activation of this pathway by insulin or exercise has yet to be reported in skeletal muscle. Methods: Lean and obese Zucker rats were randomly assigned to one of three treatment groups: (i) control, (ii) insulin-stimulated or (iii) acute, exhaustive exercise. Hind limb skeletal muscle was removed and the phosphorylation state of IR, Akt and c-Cbl measured.  Results:   Insulin receptor phosphorylation was increased 12-fold after insulin stimulation (p<0.0001) in lean rats and threefold in obese rats. Acute exercise had no effect on IR tyrosine phosphorylation. Similar results were found for serine phosphorylation of Akt. Exercise did not alter c-Cbl tyrosine phosphorylation in skeletal muscle of lean or obese rats. However, in contrast to previous studies in adipocytes, c-Cbl tyrosine phosphorylation was reduced after insulin treatment (p<0.001). Conclusions/interpretation: We also found that c-Cbl associating protein expression is relatively low in skeletal muscle of Zucker rats compared to 3T3-L1 adipocytes and this could account for the reduced c-Cbl tyrosine phosphorylation after insulin treatment. Interestingly, basal levels of c-Cbl tyrosine phosphorylation were higher in skeletal muscle from insulin-resistant Zucker rats (p<0.05), but the physiological relevance is not clear. We conclude that the regulation of c-Cbl phosphorylation in skeletal muscle differs from that previously reported in adipocytes.

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INTRODUCTION: The fundamental role of alcohol in the lives of young Australians is mirrored in the level of drinking by adolescents. In 2001, more than one in four Australian adolescents aged 14-19 years consumed alcohol weekly. Teenagers in rural areas are more likely to consume alcohol than their metropolitan counterparts. Parents are key 'gatekeepers' of adolescent behaviour and as such are a salient group to consider in relation to adolescent alcohol use. The aim of this study was to explore parents' attitudes, beliefs, concerns and receptiveness to harm minimisation strategies with respect to teenage use of alcohol.

METHODS:
A convenience sample of parents with adolescent children attended a series of focus groups across the north and north-western area of the State of Victoria, Australia. Schools were approached to advertise the project and invite parents to participate. Snowball sampling was used to enhance recruitment.

RESULTS:
Parents described patterns of alcohol use such as 'drinking to get drunk' and the influence of both parents and peers on the consumption of alcohol by adolescents. Few parents were concerned about the long-term risks of alcohol use by teenagers; rather they were more concerned about the short-term harms, for example, road trauma and other accidents and risky behaviours such as binge drinking. Parents indicated that they perceived alcohol to be less harmful than other drugs and many indicated that alcohol was often not perceived to be a drug. A number of strategies were adopted by parents to negotiate teenagers' drinking and to minimise the risks associated with alcohol use. These included transporting teenagers to parties, providing teenagers with a mobile phone, setting clear guidelines about alcohol use and/or providing teenagers with a small amount of alcohol. These were seen by parents as strategies for reducing the risks associated with alcohol consumption. Many parents reported that they do not feel well informed about alcohol use and how and when to use harm reduction strategies.

CONCLUSIONS:
Rural parents are unsure how to respond to teenagers' alcohol use and drunkenness. While some parental strategies for harm reduction (such as supplying adolescents with a small amount of alcohol) may have good face validity in reducing alcohol consumption among adolescents, these strategies are not supported by previous research findings.