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Stab-resistant body armour is now becoming a standard item of equipment for police officers in the United Kingdom. In the UK these are usually required to have a stab resistance as specified by the Police Scientific Development Branch KR42 standard [G. Parker, PSDB Stab Resistant Body Armour Test Procedure, Police Scientific Development Branch, Publication No 10/93, 1993]. There are several other test standards, all of which specify that body armour must resist penetration by a specific blade type delivered at a specific energy level or range of levels. However, the actual range of energy levels specified varies over almost an order of magnitude and the basis for these levels is not clearly defined. This paper describes tests to determine the energy range and characteristics of stabbing actions that might be directed against stab resistant body armour by an assailant. The energy and velocity that can be achieved in stabbing actions has been determined for a number of sample populations. Volunteers were asked to stab a target using an instrumented knife that measured the axial force and acceleration during the stabbing. The maximum energy obtained in underarm stabbing actions was 64 J whilst overarm stabbing actions could produce 115 J. The loads produced on contact with the target often approached 1000 N.  相似文献   
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Abstract: The Public Service Board of Victoria initiated a project in March 1989 to plan a framework for the development of competent managers. The methodology involved an examination of the current practices of 23 organisations, together with a worldwide literature search. The major findings were that the managerial task is similar across sectors, but the manager level and the environment are qualifying variables; that training, management education and development in private sector organisations and statutory bodies has total commitment from the chief executive, is closely linked to the business plan, forms part of an integrated human resource management system, and is continually reinforced by the organisation's culture and values; and that there is no strategic and focused approach to developing managers across the Victorian Public Service. The 21 recommendations covered the areas of investment and commitment, the development of a systematic approach by providing quality management programs based on core managerial competencies and the integration of training, education and development with performance management processes.
The implementation plan calls for pump-priming funds for resourcing and delivering high quality programs, a change in the culture, the adoption of a set of principles, the establishment of a management education unit, acceptance of a common language of competence for managers, and an integration of education and development needs with corporate plans through the performance improvement system. Commitment to implementation should result in a systematic approach to the formation of competent managers with the benefits flowing to the community through improved services, the government gaining by increased performance of the agencies, and public servants being able to reach their full potential.  相似文献   
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Journal of Youth and Adolescence - Research has indicated that lesbian, gay, bisexual, and queer/questioning (LGBQ) adolescents have disproportionately high rates of substance use compared to...  相似文献   
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Development plans with insufficient knowledge about local realities, and that do not share technical or planning details with the target communities, bedevil development practice. This study used a form of participatory modelling in three fishing communities in Nicaragua to enable fishers to explore their economy and the potential impacts of fishery-based development projects. Co-designing a model of the fishing economy in the form of a board game created a forum in which facilitators and participants could arrive at a shared understanding of local fishing practices and the costs and benefits of strategies for addressing the fishers’ priorities.  相似文献   
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Although the use of strategic planning has become widespread in INGDOs they have often been accused of strategic drift—continuous change in their strategic directions with plans only loosely coupled to their activities. However, the way that they prioritize their activities, and the reasons why strategic drift occurs has generally escaped in‐depth research. This article draws on detailed, qualitative research of strategic planning meetings at the executive levels in a major INGDO, carried out between July 2006 and December 2007 to identify the reasons why strategic drift occurs and the role of strategic planning. It was found that by deliberately crafting multiple, ambiguous, and ambitious strategies, managers were able to effect organizational change, not by literal strategy implementation, but by using these strategies as metaphors to harness consensus and legitimacy in key stakeholder groups. Senior managers utilize the symbols, language and deliberative arenas of formal strategic planning to effect organizational change; however, strategy, in rational terms, needs to be located in the background for its role to be properly understood. The research unpacks complex decision‐making processes in an INGDO and, contrary to normative literature, recommends that, in order to avoid inflationary planning, managers should not take their strategy literally. Copyright © 2009 John Wiley & Sons, Ltd.  相似文献   
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