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PLC技术在电力系统设计中的应用
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作者 韩宇 韩正田 《中文科技期刊数据库(文摘版)工程技术》 2024年第8期0050-0053,共4页
在经济发展背景下,电力企业为满足社会需求,应在现有基础上,强化PLC技术运用,完善自我控制,通过设备引进以及技术拓展等形式,提高生产效率,增强安全性,减少事故。鉴于此情况,本文将重点围绕电力电气工程及其自动化技术与发展开展研究,... 在经济发展背景下,电力企业为满足社会需求,应在现有基础上,强化PLC技术运用,完善自我控制,通过设备引进以及技术拓展等形式,提高生产效率,增强安全性,减少事故。鉴于此情况,本文将重点围绕电力电气工程及其自动化技术与发展开展研究,先对自动化技术运用优势、特点以及功能开展分析,然后以案例研究的形式,基于PLC技术设计电力系统,最后针对不足,提出优化路径,希望通过本文研究,为电力实现可持续发展目标提供参考。 展开更多
关键词 电力发展 电气工程 自动化技术 自控改革 电力系统
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When Teacher Autonomy Meets Management Autonomy to Enhance Learner Autonomy
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作者 王毅 《Chinese Journal of Applied Linguistics》 SCIE 2017年第4期392-409,470,471,共20页
Developing learner autonomy (LA) requires a shift of control from teachers to students. This development also relates to teacher autonomy (TA), which requires school managers to relinquish some degree of their own... Developing learner autonomy (LA) requires a shift of control from teachers to students. This development also relates to teacher autonomy (TA), which requires school managers to relinquish some degree of their own autonomy (MA) to teachers. Thus, a problem arises: how can the three levels of control-shifts co-exist and survive in harmony, and ideally, thrive each in its own way? Based on a recent case study, this paper aims to explore the complexity of the dynamic interaction between these three types of autonomy within an educational hierarchy. The study was conducted in a Chinese secondary school which was promoting whole-person development through a comprehensive innovation project. The participants comprised nine English teachers, the executive director, and the principal. Data collection methods included interviews, observations, and post-lesson discussions. Three issues are addressed in this paper: the principal's perceptions of LA, a classroom instruction model to cultivate LA, and a teacher training scheme to facilitate TA. The findings display a complex picture of these issues, and imply the importance of a genuine, shared understanding of the nature of autonomy and the need to carefully ensure the optimal balance among the three types of autonomy in the design and implementation of curriculum innovations. 展开更多
关键词 learner autonomy teacher autonomy management autonomy control shift curricular reform teacher beliefs and practices
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