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现代医疗建筑发展趋势——浅谈东莞市人民医院新院方案设计 总被引:1,自引:0,他引:1
本文以东莞市人民医院新院的方案设计为例,通过对空间、环境等几个方面因素的分析研究,阐述了现代医院建筑设计的理念和手法;并探讨了在当今社会背景下现代医院设计的发展趋势。 相似文献
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不同电极系统下XLPE电缆电树枝生长特性的研究 总被引:2,自引:1,他引:1
The electrical tree discharge channel will be formed at concentrate spot of electric field in solid insulation dielectric,in order to study the difference of electrical tree under different electrical field,the short-cable electrode system with actual XLPE cable was designed,experiments were performed under 12 kV,15 kV,18 kV,21 kV compare to the needle-plate electrode system.Experiment results show that the electrical tree of short-cable electrode system have the same growth trend with the needle-plate electrode system in the growing characteristic,the dense of electrical tree increase with the increase of voltage level,electrical tree of short-cable electrode system growth is slower than the needle-plate electrode system at the same voltage;To get the same shape of electrical tree,the voltage of short-cable electrode system must be higher than needle-plate electrode system,the results show that the semiconductor layer and the copper shield layer outside of XLPE cable have very important affection on the electrical trees degradation. 相似文献
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基于不同电极系统的电树枝生长特性的研究 总被引:1,自引:0,他引:1
固体绝缘介质在电场应力集中处会发生树枝状放电并生成树枝状放电通道,为了研究在不同电场作用下固体绝缘介质中的电树枝特性的差异,采用实际交联聚乙烯(XLPE)电缆的短电缆电极系统,与常用的针-板电极系统分别在12、15、18、21 kV下进行电缆的树枝化实验。实验结果表明,短电缆电极系统与针-板电极系统得到的试验结果具有相同的趋势,电树枝的稠密程度随着电压的升高而增加,在相同电压下,短电缆电极系统的电树枝的发展速度比针-板电极系统慢,短电缆电极系统得到与针-板电极系统相同形态的电树枝的外施电压值要高。 相似文献
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