Results 131 to 140 of about 59,065 (186)

气压及流速可调的气动夹头控制器

本发明公开了气压及流速可调的气动夹头控制器， 包括壳体、压力表、调压阀、控制开关组、限流阀组、总进气嘴、第一夹头进气嘴组和第二夹头进气嘴组， 壳体包括前侧板和后侧板， 压力表、调压阀和控制开关组分别嵌接于前侧板；限流阀组、总进气嘴、第一夹头进气嘴组和第二夹头进气嘴组嵌接于后侧板；调压阀包括调压阀体和调节旋钮， 调压阀体上连接有调压进气嘴和调压出气接头， 调压进气嘴与总进气嘴连接， 调压出气接头连接有压力表和限流阀组；控制开关组上连接有控制进气接头组和控制出气接头组。本发明将压力表、调压阀、控制开关组 ...
樊振宇, 魏宇杰, 雷现奇
core  

温度对SF₆/CF₄混合气体尖板放电特性的影响

Gaoya dianqi
气体绝缘电气设备使用SF6/CF4混合气体可以避免SF6气体液化，适合在极寒地区应用。为获得设备内部存在尖端放电缺陷时SF6/CF4混合气体的绝缘性能受温度的影响，采用尖板电极模拟缺陷尖端放电，开展SF6/CF4混合气体在0.1~0.7 MPa气压范围和-50~20 ℃温度范围的工频放电实验。结果表明，不同温度下SF6/CF4混合气体的击穿电压随气压升高均出现先升高—再降低—再升高的驼峰趋势；但随着温度降低，驼峰峰值处的击穿电压随温度降低出现降低趋势，而在非驼峰峰值处的击穿电压随温度降低而基本不变 ...
陈远东, 郑宇, 孟辉, 沈腾达, 梁建, 周文俊   +5 more
doaj  

[Rehabilitation guidelines and specifications for traumatic spinal cord injury (2025 edition)]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Professional Committee Of Spine And Spinal Cord Injury Rehabilitation China Association Of Rehabilitation Of Disabled Persons, Professional Committee Of Spine Chinese Association Of Rehabilitation Medicine, The Second Medical-Rehabilitation Integration Working Committee Chinese Association Of Rehabilitation Medicine, Spine And Spinal Cord Injury Repair Study Group The Third Professional Committee Of Neurorestoratology Chinese Medical Doctor Association.   +3 more
europepmc   +1 more source

[A Meta analysis of risk factors for pulmonary hypertension related to bronchopulmonary dysplasia in preterm infants]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Yao ZZ, Yu AZ, Feng X.
europepmc   +1 more source

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

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

[Effect of simultaneous multi-plane surgery on cardiopulmonary function in patients with obstructive sleep apnea-hypopnea syndrome and its curative effect]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Gong M, Hu N, Shao J, Li W, Zhang Y.
europepmc   +1 more source

[Perioperative management of a patient with Kennedy disease undergoing knee replacement: A case report]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Bai P, Zhang H, Wang J, Zhu H, Zeng H.
europepmc   +1 more source

[Association between adverse outcomes during hospitalization and early postnatal weight changes in term appropriate-for-gestational-age infants with early-onset sepsis]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zeng SC, Zhou XL, Xiang LL, Hua ZY.
europepmc   +1 more source

[Dynamic changes and physiological regulation of common carotid artery blood flow during general anesthesia in elderly patients: a prospective study]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Liu X, Wu J, Ye C, Wang E, Hu H.
europepmc   +1 more source

[Two cases of congenital myotonic dystrophy type 1 caused by <i>DMPK</i> gene variants]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang XH, Wang CH, Xu YP, Ma XL, Shi LP, Chen Z, Mao SS.   +6 more
europepmc   +1 more source