1.The paper does the theoretical study of this problem which Shunt Active power Filter (Shunt APF) based on the modern power electronic technology compensates the harmonics and reactive current of the distributing system.
论文对基于现代电力电子技术的并联型有源电力滤波器(Shunt APF)补偿配电系统谐波和无功电流问题进行了理论研究。
2.These characters will not effect by system consist and will not magnify harmony wave. Shunt Active Power Filter (SAPF) is getting more application in APF.
并联型电力有源滤波器(Shunt Active Power Filter,简称SAPF)更是得到了广泛的应用。
3.Methods:42 cases treated by surgery were studied. Among these patients,6 were treated by thrombectomy and shunt from left external iliac vein to inferior vein cava,7 were treated by thrombectomy and shunt from left common femoral vein to inferior vein cava,14 were treated by thromectomy and Palma procedure and 15 were treated by thrombectomy and occlusive segment resection in left common iliac vein and in-situ transplant with artificial graft.
方法 :采用外科手术方法共治疗Cockett综合征并发下肢深静脉血栓患者 4 2例 ,其中取栓 +左髂总静脉闭塞段切除、人工血管原位移植 15例 ,取栓 +左髂外静脉→下腔静脉搭桥 6例 ,取栓 +左股总静脉→下腔静脉搭桥 7例 ,取栓 +Palma手术 14例 ;
4.Shunt Trip Shunt trip is a feature added to a circuit breaker or fusible switch to permit the remote opening of the breaker or switch by an electrical signal.
分励脱扣分励脱扣是线路断路器或可熔电闸的一个特性,可通过远程信号来进行分断或转换。
5.Objective To search the head contour was changed in the patient with excess drained CSF after ventricle shunt in Africa. Methods To observe the condition of head contour changed after ventricle shunt in 50 cases since 8,1999 to 6,2002 in Nyangabgwe Hospital Botswana Africa.
目的 本文对非洲地区颅高压、脑室扩大的患儿行脑室分流术后的脑外形变化进行研究探索 ,方法 对非洲博茨瓦纳国家 Nyangabgwe医院从 1999年 8月到 2 0 0 2年 6月收治的 5 0例脑室分流术后患儿头外形发生的变形及患儿外观的观察。
6.Through analyzing the mathematical model of two winding transformer, the effect after on-load tap changing on voltage and reactive power balance at each side ,effect of shunt capacitor compensation on voltage and reactive power balance in substation the relation between transformer tap adjusting and shunt capacitor switching in practical grid operation were discussed.
摘要通过对两卷变压器的数学模型进行分析,讨论了两卷变压器抽头调整后,变电站各侧电压及无功功率的变化;无功补偿对变电站各侧电压及无功功率的影响;实际电网生产运行中,无功补偿与变压器抽头的配合调整。
7.According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit, the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme.
即根据零序网络中零序电压在系统零序阻抗和电抗器零序阻抗上的分布情况,通过直接比较电抗器首端零序电压与补偿到电抗器末端中性点的零序补偿电压的幅值大小,来判别电抗器匝间故障。
8.The successful rate was up to 91.7%,with shunt width 10mm,the portal venone pressure down from 43.2±5.3cm H_2O preoperatively to 26.8±3.4cm H_2O postaperativ- ely,6~12 months postoperative follow up showed restenosis of shunt in 1 case and 3 died within three months.
门脉平均压力由术前的43.2±5.3cmH_2O,降至术后的26.8±3.4cmH_2O。 术后随访6~12月。
9.Methods Using the cirrhotic portal hypertensive rats induced by CCl 4/ethanol, we operated mesocaval shunt(MCS), distal splenocaval shunt(DSCS) and portaazygous disconnection(PAD), and investigated free portal pressure(FPP), portasystemic shunting(PSS) and hepatic function before operation and three weeks after operation.
方法 采用CCl4/乙醇诱导的肝硬变门脉高压大鼠模型行肠腔侧侧分流术 (MCS)、远端脾腔分流术 (DSCS)及门奇断流术(PAD)。 观察术前及术后 1、2、3周时的自由门脉压力 (FPP)、门体分流率 (PSS)和肝脏功能的变化。
10.Objective To evaluate the effects of three kinds of operation-mesocaval shunt(MCS), distal splenocaval shunt(DSCS) and portaazygous disconnection(PAD), on the free portal pressure(FPP), portasystemic shunting(PSS) and hepatic function.
目的 通过动物实验检测肠腔侧侧分流术 (MCS)、远端脾腔分流术 (DSCS)及门奇断流术 (PAD)对门体分流率和肝功能的影响 ,为合理选择手术方式提供理论依据。