Results 71 to 80 of about 395 (101)

绝缘子串的电压分布的分析计算

Gaoya dianqi, 1965
随着电力系统的容量日益扩大,输电电压日益提高,所需绝缘子电压等级也随之提高。但目前单个电瓷绝缘子电压一般都在110千伏以下(指棒式、盘形及针式绝缘子),更高电压等级如330千伏、500千伏及以上就需由多个缘绝子串联组成悬式绝缘子链或支持绝缘子柱。由于绝缘子链(或柱 ...
doaj  

[Impact of robot assistance on restoration of limb length and offset distance in total hip arthroplasty]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yuan Z, Li Y, Tian H.
europepmc   +1 more source

[Application of unilateral biportal endoscopy technique in single-segment thoracic ossification of ligamentum flavum]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023
Yang H, Niu W, Tang Q, Liu Y, Wang Y, Jian L, Song K, Ma C.   +7 more
europepmc   +1 more source

各国支柱绝缘子标准比较 附视频

Dianci bileiqi, 1979
本文介绍各国支柱绝缘子产品结构发展情况,对各国支柱绝缘子标准中规定的环境条件、弯曲强度等级、瓷质水平、安装尺寸等进行了对比.
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[Determination of 18 polychlorinated biphenyls in milk by dispersive solid-phase extraction based on zeolitic- imidazolate-framework composite microspheres prior to gas chromatography-mass spectrometry]. [PDF]

Se Pu
Nie WD, Shuai SJ, Hu K, Cui XL, Li TF.
europepmc   +1 more source

[Comparison of effectiveness of unilateral biportal endoscopy technique and the interlaminar uniportal endoscop technique for treatment of L ₅, S ₁ lumbar disc herniation]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2022
Zuo R, Ma M, Jiang Y, Yuan S, Li J, Liu C, Zhang J.   +6 more
europepmc   +1 more source

[CD34(+) selected donor hematopoietic stem cell infusion for poor graft function after allogeneic hematopoietic stem cell transplantation: a retrospective cohort study]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Liu S, Li Q, Liu ZY, Du RH, Liu B, Ma ZY, Jiang EL, Feng SZ, Sun JL.   +8 more
europepmc   +1 more source

[Effectiveness of comprehensive rhinoplasty on secondary nasal deformity with saddle nasal deformity after cleft lip surgery]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Chen M, Guo Z, Yu B.
europepmc   +1 more source

[Rosa laevigata Michx. inhibits pulmonary arterial smooth muscle cell proliferation in hypertension by modulating the Src-AKT1 axis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yang Z, Lü C, Dong Z, Ji S, Bi S, Zhang X, Wang X.   +6 more
europepmc   +1 more source

[Automatic measurement of acetabular cup anteversion angle using an accurate recognition technology based on improved Otsu algorithm and feature point]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Q, Ma Y, Wu B, Zhang Y, Qi J, Mei Y.
europepmc   +1 more source