Results 121 to 130 of about 1,894 (167)

22kV配电线路无间隙有机外壳避雷器的研制

open access: yesDianci bileiqi, 1991
在日本研制和试验了6.6和22kV上述金属氧化物避雷器样品。有机外壳由内部坚固的玻璃钢筒和外部弹性伞裙护套组成,护套用硅橡胶和乙丙橡胶制成。这种材料抗紫外线辐射和不开裂,保证可靠地保护避雷器在输电线路工作条件下免受外部气候的作用 ...
doaj  

[Evaluation of the feasibility and safety of a Chinese developed modular surgical robotic system for robot-assisted pyeloplasty]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Liu S   +9 more
europepmc   +1 more source

[Medical treatment standards for emergency trauma wounded (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

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