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A statistical analysis to the failures of the distribution switchgear during 990～999 is made. The features of the SF and vacuum circuit breaker are analyzed. It then introduces some trends of the application of non oil high voltage switchgear.
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本文介绍了中国电力系统配电电压等级开关设备的现状 ,统计分析了配电开关设备 990～ 999年的事故情况以及SF、真空开关设备的故障特点 ,指出了高压开关设备无油化的若干趋势。 |
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A strain of fungus (C_(Z08)) was isolated from the lesions of white piedra of a female child. Judging from the result of mycological identification, this strain of fungus was confirmed as Cepholosporium acremonium.
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作者从白毛结节病患儿毛发损害中分离出一株真菌(CZ_(08)),经一系列真菌学研究鉴定证实,此菌系顶孢头孢霉。 |
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A study of ERP in children with amentia
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智力低下儿童事件相关电位的研究 |
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A study of Isoket solution in the treatment of heart failure
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异舒吉针剂治疗心功能不全的疗效观察 |
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A study of Nosema bombi infections in bumble bees,Bombus spp.
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熊蜂微孢子虫感染熊蜂(Bombus spp.)试验 |
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A study of tarnish induced by Candida albicans on Co-Cr alloy,Ni-Cr alloy and casting titanium denture
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白色念珠菌对铸钛、Co-Cr合金、Ni-Cr合金修复体失泽腐蚀的影响 |
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A study of the MCH prepay scheme in rural China
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贫困农村地区妇幼保健保偿制案例分析 |
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A study of the parallel rela-tionship between the occlusal plane and theline connecting nasal alar and tragus wasmade in 90 dentulous cases by using cepha-lometry.
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作者应用头侧位X线片测量法,对90例有牙颌平面与0例无颌堤平面进行了测量和统计分析。 |
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A study on HLA-A、-B genes associated with Guillain-Barre syndrom
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格林-巴利综合征与HLA-A、-B基因关联的研究 |
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A study on aqueous extract of lignum sappan inducing HL-0 cell apoptosis
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苏木水提物诱导HL-0细胞凋亡的研究 |
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A study on functional magnetic resonance imaging in early and late blinds during chinese braille reading
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特殊感觉障碍人群(盲人)脑功能磁共振成像研究 |
