查询词典 impedance

Because the primary leakage impedance drop is so low, a small alteration to will cause an appreciable increase of primary current from to a new value of equal to .

因为一次侧漏阻抗压降如此之小，所以的微小变化都将导致一次侧电流增加很大，从增大至一个新值。

Furthermore, quenching phenomena and temporal jitters due to an impedance drop of the discharge can be suppressed. This paper presents the results of temporal resolved fast shutter pho...

简述了金属钼电极与 Si C电极的放电过程和特点后简要分析了 Si C电极抑制电弧的原理，还介绍了伪火花开关奇异放电现象的研究进展

Unlike reactors,the Superconducting Fault Current Limiters without impedance or voltage drop during normal operation,can limit the short circuit current to a lower level,so that the underrated switchgears can be operated safely.

叶林超导故障限流器与常规限流电抗器不同的是：它不但可以限制短路电流，使得轻型断路器可以正常动作，而且在电网正常运行时不呈现任何阻抗和电压降。

ABSTRACT: Unlike reactors,the Superconducting Fault Current Limiters without impedance or voltage drop during normal operation,can limit the short circuit current to a lower level,so that the underrated switchgears can be operated safely.

超导故障限流器与常规限流电抗器不同的是：它不但可以限制短路电流，使得轻型断路器可以正常动作，而且在电网正常运行时不呈现任何阻抗和电压降。

In comparison with the Fe-SA/mCS BFM modified by Fe(superscript 3+), the membrane impedance, IR drop and swelling degree of the CuPc8-SA/CuTAPc-CS BPM all obviously decreased.

与Fe(上标 3+)改性的Fe-SA/mCS双极膜相比，CuPc8-SA/CuTAPc-CS双极膜的阻抗、电阻压降和溶胀度降低。

We define a new parameter, the impedance ratio r, and observe its importance in realization of the filter.

我们定义了一个新参数-特性阻抗的比例，并且发现了它在实现滤波器的重要性。

The simulation result shows that this antenna has wider impedance bandwidth and axial ratio bandwidth.

该天线具有较宽的阻抗带宽和轴比带宽。

But commonly it has narrow impedance bandwidth and axial ratio bandwidth.

但是同时也存在阻抗带宽和轴比带宽相对较小的缺点。

The realization of broadening impedance and circular polarization axis ratio bandwidth is analyzed according to equivalent circuit model.

提出了利用Wilkonson功分移相器结合翻转容性馈电结构来展宽微带天线的阻抗带宽和轴比带宽的方法。

The results show that for a certain depth and damping coefficient, if the wave impedance ratio is small, the seismic re...

计算结果表明，对于一定的土层厚度，在一定阻尼比条件下，土层和基岩的阻抗比小到一定程度时，可以将基岩假定为刚性约束，而误差可以控制在一定的范围内。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。