Results 121 to 130 of about 3,075 (200)

金属氧化物避雷器

open access: yesDianci bileiqi, 1991
提出了中性点绝缘网路一相长时间接地时线路和变电站的过电压保护装置的建议。避雷器接在被保护相与地之间,由两部分串连而成。接地的一部分阀片在正常时通过一个专用继电器触头短接。在一相接地时,健全相电压升高31/2倍,继电器触头跳开 ...
doaj  

[Effects of elastic modulus of the metal block on the condylar-constrained knee prosthesis tibial fixation stability]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang Y   +6 more
europepmc   +1 more source

[Current status, representative devices, and future development trends of wound measurement technologies]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Zhong SY, Shu MG, Du HC.
europepmc   +1 more source

[Finite element analysis of tibial and femoral resection configurations on varus alignment in total knee arthroplasty]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liang C   +8 more
europepmc   +1 more source

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