Results 61 to 70 of about 3,110 (102)

[TiRobot-assisted minimally invasive treatment of geriatric fragility fractures of the pelvis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li C   +6 more
europepmc   +1 more source

[Diffuse large B-cell lymphoma with acquired von Willebrand syndrome: a case report and literature review]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Wang FD   +6 more
europepmc   +1 more source

[Preparation and application of conductive fiber coated with liquid metal]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu C   +5 more
europepmc   +1 more source

在低压装置上使用避雷器的安全问题

open access: yesDianci bileiqi, 1992
低压回路和装置中过电压防护问题决定于雷电过电压.它分为直接(近处)雷击过电压和间接(远处)雷击过电压.直击雷的过电压与其能量有关,由于能量很大,至今未有令人满意的保护.在最近的IEC文件中实际上已不考虑防护这种过电压的问题.当远处雷击时过电压值取决于避雷器残压和网路情况.在中性点接地的网路中工作接地网路和各种装置的接地都与保护线相连,由于总的接地电阻的降低而减小过电压值.所有元件的电位同时提高 ...
doaj  

[Simulation analysis of adaptability of large airborne negative pressure isolation cabin to aviation conditions]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo L   +7 more
europepmc   +1 more source

[Thoughts and Prospects on Precision Control and Intelligent Positioning Robotic Systems Applied in Nasojejunal Feeding Tube Placement]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Qiu Y   +9 more
europepmc   +1 more source

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