Results 51 to 60 of about 9,814 (112)

利用振荡回路进行高压限流熔断器试验的可行性分析

Gaoya dianqi, 1996
介绍了用振荡回路作限流熔断器开断能力试验的可行性。分析了限流熔断器在开断短路电流过程中的物理现象。推荐了一种作限流熔断器试验的振荡回路,并例举了限流熔断器在振荡回路上作开断短路电流试验的结果。
王季梅
doaj  

[Spatial navigation method based on the entorhinal-hippocampal-prefrontal information transmission circuit of rat's brain]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liao Y, Yu N.
europepmc   +1 more source

交叉互联接地高压电缆金属护层回路电阻高精度求解方法

Gaoya dianqi
高压电力电缆是电能传输的重要设备，金属护层系统是保障高压电缆正常运行的重要组成部分。交叉互联接地高压电缆的三相金属护层之间存在电磁耦合，为护层接地回路电阻的高精度求解带来了困难。为此，文中针对交叉互联接地的高压电缆，提出了采用异频信号激励的金属护层回路电阻带电检测方法，研究了交叉互联接地方式下电缆金属护层接地回路的等效电路模型，分析了三相金属护层各部分回路间的电磁耦合关系；采用对称分量法建立了回路的去耦等效电路模型，消除了耦合电感对回路电阻求解带来的影响 ...
陈腾彪, 林清杰, 李栋, 赵伟利, 雷达, 胡力广, 唐志国   +6 more
doaj  

[Risk prediction of pneumonia in maintenance hemodialysis patients after severe acute respiratory syndrome coronavirus 2 infection]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Jiang Z, Pan Y, Zhu J, Bi S, He L, Shi J, Tian X, Xie Q, Yang W, Su C, Wang S, Wang Y.   +11 more
europepmc   +1 more source

[Effectiveness of arthroscopic grid-pattern dynamic rotator cuff reconstruction using autologous tendon graft for irreparable massive rotator cuff tears]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Huang K, Zhang X, Xie G, Wang H, Han K, Xu C, Zhao J, Huangfu X.   +7 more
europepmc   +1 more source

[Impact of coexistent low-grade components on the prognosis of high-grade non-muscle invasive bladder cancer]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Ji J, Lai C, Wang F, Hu H.
europepmc   +1 more source

[Aesthetic outcomes of synthetic mesh in single-axillary approach endoscopic implant-based breast reconstruction]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Lin R, Tan Q, Xie Y, Lü Q.
europepmc   +1 more source

[Comparison of preoperative nutritional scoring systems for predicting survival in upper tract urothelial carcinoma]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Guo Z, Sun C, Lai S, Gao H, DU Y, Xu T.
europepmc   +1 more source

[Recent advances in application of venous superdrainage in perforator flaps]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He A, Ba L, Wei Z.
europepmc   +1 more source

[Ethyl caffeate alleviates dextran sulfate sodium-induced colitis in mice by restoring intestinal epithelial tight junctions <i>via</i> activating the Wnt/β-Catenin pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhang K, Zhang L, Zhang Y, Huang J, Li Q, Geng Z, Hu J, Li J.   +7 more
europepmc   +1 more source