本文介绍一种金属氧化物避雷器进行在线监测,即不断开接地线检测的泄漏电流测试仪.这种仪器是一种钳式电流互感器,通过带通滤波器及放大器测量三次谐波以检测泄漏电流长期变化情况,可以区分总泄漏电流及阻性电流.现场监测表明 ...
doaj
[Effectiveness of lymphaticovenular anastomosis combined with perioperative targeted drainage in treatment of secondary lower limb lymphedema: a prospective randomized trial]. [PDF]
Wang X +5 more
europepmc +1 more source
[Research progress of lymphaticovenous anastomosis in treatment of secondary lymphedema]. [PDF]
Luo Z, Xiao S, Deng C.
europepmc +1 more source
[Research progress on the application of ultrasound technology in the diagnosis and treatment of lymphedema]. [PDF]
Tang ZY, Liu R, Deng CL.
europepmc +1 more source
[Super microsurgical lymphaticovenular anastomosis for limb lymphedema: An outcome analysis based on clinical stage and indocyanine green pattern]. [PDF]
Wu J +5 more
europepmc +1 more source
[Research advances on hepatic encephalopathy following transjugular intrahepatic portosystemic shunt]. [PDF]
Ye JJ, Pan YL, Wang J, Lyu Y.
europepmc +1 more source
[Safety and Clinical Benefit Analysis of No-chest-tube Strategy After Uniportal Video-assisted Thoracoscopic Pulmonary Wedge Resection Based on Propensity Score Matching]. [PDF]
Lin C +7 more
europepmc +1 more source
[Impact of surgeon's dominant hand-side consistency with surgical approach on operational efficiency of unilateral biportal endoscopic lumbar discectomy: a prospective cohort study]. [PDF]
Li W, Gao M, Zhang L, Yu Q, Chen X.
europepmc +1 more source
静态断路器有两种基本型式,一种是在电流自然过另时开断的(称半周波断路器),另一种是在电流自然过另之前,使电流提前过另并开断的(称限流静态断路器)。两种静态断路器都需要大功率可控硅,可控硅接成反并联,且可控硅不仅允许通过额定电流,而且应允许通过故障电流。
doaj

