Results 51 to 60 of about 1,161 (101)

[Chinese expert consensus on the use of standardized second-line drugs for primary hepatocellular carcinoma]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Translational Medicine Branch   +5 more
europepmc   +1 more source

提高输电线路耐雷水平的关键因素影响分析

open access: yesDianci bileiqi
输电线路是电力系统的重要组成部分,承载着由偏远能源基地向负荷中心输送电能的重任。输电线路的送电距离可达200 km以上,沿途地势地形、气候环境复杂多变,极易遭到雷击。如何提高输电线路的耐雷水平,降低雷击跳闸率是目前亟待解决的问题。本研究以330 kV同塔双回输电线路为例,分析了冲击接地电阻、耦合地线和避雷器配置方式等关键因素对输电线路耐雷水平的影响。研究结果有助于指导防雷方案设计,对提高输电线路的耐雷水平具有一定的参考价值。
张军强   +7 more
doaj  

[Diagnostic value of intestinal tissue metagenomic next-generation sequencing in severe diarrhea following haploidentical hematopoietic stem cell transplantation]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Lin QX   +10 more
europepmc   +1 more source

[How I treat pediatric chronic myeloid leukemia]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
An WB, Yang WY.
europepmc   +1 more source

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