Results 51 to 60 of about 400 (100)

[Finite element analysis for predicting osteonecrosis of the femoral head collapse based on the preserved angles]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023
Lu S   +9 more
europepmc   +1 more source

自然污秽直流线路支柱绝缘子的实验室试验

open access: yesDianci bileiqi, 1989
曾在美国西勒弥直流换流站自然污秽条件下运行的支柱绝缘子在日本高压试验室作了试验.在雾室中试验了2只400kV支柱绝缘子(高4600mm,由4节高1150mm、平均直径225mm的绝缘子组成,总爬电距离12800mm)和1只500kV支柱绝缘子(高4600mm,由2节高2300mm绝缘子组成,平均直径313mm,总爬电距离1600mm).太平洋直流输电1970年以±400kV投入运行,1985年电压升高到±500kV.运行期间发现了直流绝缘的污秽闪络.在电源±750kV输出电容1 ...
doaj  

[A Case of Refractory Pulmonary Enteric Adenocarcinoma with EGFR Sensitive Mutation]. [PDF]

open access: yesZhongguo Fei Ai Za Zhi
Wang X   +7 more
europepmc   +1 more source

[Imaging study and clinical application of unilateral biportal endoscopy technique for upper lumbar disc herniation via contralateral approach]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2022
Wang J   +8 more
europepmc   +1 more source

[Application and research progress of three-dimentional printed porous titanium alloy after tumor resection]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2022
Liu P, Gao Q, Lü L, Zhang W, Fan B.
europepmc   +1 more source

[Repair and reconstruction of facial organ injuries: a perfect fit of structure and function]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Song BQ, Pei JM.
europepmc   +1 more source

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