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浅谈体育场馆扩声系统的检测
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作者 张建秋 《计量与测试技术》 2017年第9期17-18,共2页
体育场馆的扩声系统,作为场馆的一个重要组成部分,越来越受到人们的重视,因此对扩音系统的检测就成为了体育场馆验收的一个重要指标.本文简要阐述了场馆检测的方法,以及结合实际对体育场馆扩声系统检测的经历,总结了一些看法。
关键词 馆检测 扩场系统 最大声压级
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Evaluation of Fatigue Cracking Propagation: A Case Study of Airfield Infrastructure Systems
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作者 Bassey Bassey Okon 《Journal of Mechanics Engineering and Automation》 2011年第2期108-118,共11页
The challenges posed by fatigue propagation on engineering materials and infrastructural facilities have necessitate for proper appraisal. Fatigue involvements in engineering systems are complex requiring indepth anal... The challenges posed by fatigue propagation on engineering materials and infrastructural facilities have necessitate for proper appraisal. Fatigue involvements in engineering systems are complex requiring indepth analysis and optimization of the governing phenomena. The pervasive demand for suitable solutions to this circumstance has been the greatest problem faced by the systems engineers in the quest for delivering sustainable infrastructural development. Consequently, the removal of interdisciplinary boundaries and merge of design platforms pose a great challenge for an unprepared project engineering and technology community. It is imperative to understand the mechanisms promoting fatigue occurrences for a complete model conceptualisation and analysis improvement. In this paper, the duo evaluation--linear and effective crack length measurements are clearly shown to beacon the fatigue investigation for modem project engineering and technology. The paper has also examined the airfield pavement where this concept could be very useful. Such breakthrough would require accurate fatigue simulation and modelling platforms for inbuilt reliability and prudent resources management. Amongst the benefits of the fatigue analysis is the provision of an enabling environment for the sustainable management of engineering and technology projects. 展开更多
关键词 APPRAISAL engineering materials facilities FATIGUE infrastructure.
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