Results 111 to 120 of about 175,497 (141)

[Clinical characteristics and prognosis of patients with direct antiglobulin test-negative autoimmune hemolytic anemia]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Zhang JA   +6 more
europepmc   +1 more source

[The application value of video head impulse test, caloric test and dizziness handicap inventory in the diagnosis of acoustic neuroma]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2022
Zou S   +7 more
europepmc   +1 more source

[A comparative study of different methods for treatment switching analysis in clinical trials]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Liang Z, Xu L, Li K, Yu M, An S.
europepmc   +1 more source

[Analysis of the global registration status of clinical trials for artificial intelligence medical device]. [PDF]

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

发动机凸轮轴准工况试验台

open access: yes, 2015
本发明公开一种发动机凸轮轴准工况试验台,包括驱动系统、传动系统、供油系统、台架、气门加载系统和测试控制系统,所述驱动系统通过传动系统带动凸轮轴转动,供油系统为缸盖提供润滑,台架用于安装试验台的各个系统和发动机的缸盖,所述气门加载系统用于在排气门打开时,对排气门施加压力,模拟排气过程。本发明能够较真实的反应凸轮在该工况下的受力状况,同时润滑油温度保持在实际工作过程中的温度,保持其应有的润滑油性能。该试验台可以模拟发动机不同的工况下进行试验 ...
郇勇   +5 more
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