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石峰 《科技成果管理与研究》2011,(6):53-54
文章简要地分析了电流互感器产生饱和的原因、特性以及对保护产生的影响,并结合工作经验提出了一些实用的对策,为相关工作人员提供参考。 相似文献
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van Ijzendoorn MH Rutgers AH Bakermans-Kranenburg MJ Swinkels SH van Daalen E Dietz C Naber FB Buitelaar JK van Engeland H 《Child development》2007,78(2):597-608
This study on sensitivity and attachment included 55 toddlers and their parents. Samples included children with autism spectrum disorder (ASD), mental retardation, language delay, and typical development. Children were diagnosed at 4 years of age. Two years before diagnosis, attachment was assessed with the Strange Situation procedure, and parental sensitivity and child involvement during free play were assessed with the Emotional Availability Scale. Parents of children with ASD were equally sensitive as parents of children without ASD, but their children showed more attachment disorganization and less child involvement. More sensitive parents had more secure children, but only in the group without ASD. Less severe autistic symptoms in the social domain predicted more attachment security. Autism challenges the validity of attachment theory. 相似文献
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本课题组在对临床实训中心的教学功能进行全面分析、研究的基础上，通过使用标准化病人（SP）的对比研究，认为标准化病人（SP）的优点在于可充当不同角色，不但能提供学生查体，有效地与学生进行沟通，而且作为重要评估者，能客观、公正地对学生学习情况进行评价，大大调动了学生学习的积极性。但由于SP缺乏阳性体征，只能作正常体格检查训练。故将临床实训中心模型与SP二者充分结合起来，从正常到异常，从模型到人体，设计不同案例，真假结合，通过训练培养学生的临床思维能力、判断能力以及掌握操作技巧。 相似文献
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AIM: This paper explores the processes of collaboration between a librarian and two academic physiotherapists working on a systematic review jointly funded by the University of the West of England (UWE), Bristol, and the Royal National Hospital for Rheumatic Diseases (RNHRD), Bath, UK. The aim of this paper is to describe and evaluate some of the processes of collaboration between the three authors in their work in progress on a funded systematic literature review on the topic of hydrotherapy and pain. METHODS: The vehicle for describing and analysing these processes is a joint (National Health Service Trust and University) funded systematic literature review currently in progress on the topic of hydrotherapy and pain. RESULTS: Systematic review methodology is becoming increasingly complex and is rapidly developing its own research base. Librarian input is a key element in a successful systematic review. CONCLUSIONS: Systematic reviews play a critical role in informing healthcare delivery and research in the UK. The individual nature and inherent complexity of each review demands close collaboration between librarians, academics and clinicians. In addition to enhancing the reviews themselves, there are many other personal and institutional benefits of collaborative working. Consideration may need to be given to library staff structures and roles if these benefits are to be maximized and sustained. 相似文献
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