Results 71 to 80 of about 558 (86)

[Oral microbiota and inflammatory bowel disease]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2019
Zhang HN, Zhou XD, Xu X, Wang Y.
europepmc   +1 more source

[Experimental study on loading naringin composite scaffolds for repairing rabbit osteochondral defects]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2017
Huang J   +5 more
europepmc   +1 more source

[Analysis of the infection status of saliva Helicobacter pylori in Lanzhou]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2014
Guo R   +5 more
europepmc   +1 more source

真空断路器中电弧的运动

open access: yesGaoya dianqi, 1987
1.简介 当真空断路器触头分开时,会产生金属蒸气电弧放电,在电弧电流超过10kA时,自生磁场会使电弧产生严重的收缩。 触头局部过热不仅会引起触头严重烧损,而且会降低触头的开断能力。这是由于产生高密度金属蒸气的缘故。因而就很有必要研究电弧的运动特性。 以前主要通过光学方法(例如高速摄影法)对装有观察窗的真空灭弧室进行研究。对于实际真空灭弧室,可以利用测量灭弧室周围磁场变化来反映电弧旋转。
doaj  

[Advancement in neutrophil-based drug delivery systems]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Zhou Z, Tang L.
europepmc   +1 more source

[Expert consensus on the treatment of second-degree burn wounds (2024 edition)Ⅰ: pre-hospital first aid and non-surgical treatment]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Chinese Burn Association   +2 more
europepmc   +1 more source

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