Results 61 to 70 of about 2,655 (101)

220千伏少油断路器液压机构工艺交流简介

open access: yesGaoya dianqi, 1975
220少油断路器和液压机构,是我国近年生产的新产品。由于断路器本体采用了高强度环氧树脂玻璃铜筒、三聚氰胺灭弧材料、铜钨合金;操作机构采用了液压传动,对许多另部件的精度和光洁度要求有所提高,要求精度达到2级,光洁度达到▽8~▽10(详见表1)。
doaj  

[Research progress on the early warning of heart failure based on remote dynamic monitoring technology]. [PDF]

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

[Expert consensus on the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: neonatal vomiting (2025)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology   +3 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy