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交流系统的金屋氧化物避雷器

open access: yesDianci bileiqi, 1991
本文是总文章的第五部分,叙述金属氧化物避雷器的保护性能。采用等值回路计算避雷器陡波响应特性,分析了在相对地过电压、相间过电压等操作过电压下的保护特性曲线及实际示波分析,以及雷过电压下的保护性能。指出 ...
doaj  

[Effects of ascites grading and the application of non-selective beta-blockers on the 1-year prognosis of acute-on-chronic liver failure]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Liu WS   +7 more
europepmc   +1 more source

[Analysis of risk factors for early death in hyperleukocytic acute leukemia]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Su MH   +8 more
europepmc   +1 more source

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