查询词典 eddy current

The key POints of the IEC method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.

介绍IEC三相交流系统短路电流计算方法的重点和短路电流热效应计算，并用例题介绍其具体使用情况。

It simulates the circuit breaker with a zero impedance branch, and adopts the linear network characteristic and theory, variable structure and variable parameter analyses to transfer the short-circuit current flow in the bus-bar equality into each side of circuit breaker, and deduces the sequence component model and algorithm for calculating the short-circuit current of circuit breaker when the short-circuit fault occu...

该方法将断路器作为一条阻抗为零的支路来模拟，运用线性网络特性、定理及变结构与变参数的分析方法，将母线上短路时的短路电流等值转移到断路器两侧，导出了相当于在断路器两侧分别发生短路故障时，流过断路器的短路电流的序分量模型和算法。

From the burden increased aspect clarify set up the necessity of station, then pass to drew up to set up generalize of transformer substation and line direction to consider, and pass to analysis of carry the data, safety, economic and dependable consider and made sure the 110 kV, 35 kV, 10 kV and station use electricity of lord connect line, then again through burden calculation and power supply scope made sure main number, capacity and model number of the transformer set, also in the meantime make sure the station uses capacity and model number of transformer, end, according to biggest keep on work electric current and short circuit calculating of calculation result, to the high pressure Rong break a machine, insulate a switch, female line, insulate son and wear a wall set tube, electric voltage with each other feeling machine, electric current with each other the feeling machine carried on choose a type, thus completed a 110 kV electricity a part of design.

本文首先根据任务书上所给系统与线路及所有负荷的参数，分析负荷发展趋势。从负荷增长方面阐明了建站的必要性，然后通过对拟建变电站的概括以及出线方向来考虑，并通过对负荷资料的分析，安全，经济及可靠性方面考虑，确定了110kV ，35kV ，10kV 以及站用电的主接线，然后又通过负荷计算及供电范围确定了主变压器台数，容量及型号，同时也确定了站用变压器的容量及型号，最后，根据最大持续工作电流及短路计算的计算结果，对高压熔断器，隔离开关，母线，绝缘子和穿墙套管，电压互感器，电流互感器进行了选型，然后进行配电装置和平面布置的设计以及防雷的设计，从而完成了110kV 电气一次部分的设计。

As part of the current packaging change, the front panel of the current 10 ? oz size SunChips package features a callout,"Renewable materials make up 33% of this bag."

作为对现有包装变化的一部分，目前10个半盎司大小SunChips包的前面板采用了标注，"可再生材料，弥补了这个袋子33％。"

The CVNX features a substantially smaller redesigned command "island" than current aircraft carriers, as well multifunction arrays that replace the forest of antennas that current ships sprout, making the carrier inherently harder to detect and attack.

据估算，CVN-21航母的总体研发设计费用大约为140亿美元，其中的大约40%都用于设计第一艘CVN-21级航母，因此第一艘CVN-21航母的设计和制造费用总共需要花掉大约90亿美元。

The research of the track waveform for small size model shows that the current waveform of small size model drift chamber is very complex and its charge waveform is much more smooth than the current waveform.

对小单元漂移室模型的径迹波形的模拟结果表明，小单元漂移室的径迹电流波形是复杂的，其电荷波形比电流波形光滑得多，但还需要进一步处理。

Analyze the mechanism of current transformer saturation and the influence to transient state characteristic of the current transformer.

分析了电流互感器饱和机理以及对电流互感器暂态特性的影响。

In the charge-discharge tests, for the electrode irradiated by light and charged with current simultaneously, the discharge time is about 11.4 h, much longer than that (about 8.7 h) charged only with current, indicating obvious photo-assisted chargeability of the electrode. The additional discharge capacity is contributed to the photocharge of photogenerated electrons and holes.

HSA／Cr-BIO电极在200μA电流与光照同时充电时比仅200μA电流充电后放电时间长(11.4小时vs8.7小时)，所增加的放电容量来自光生电子与空穴对储氢合金电极的充电，表明该HSA／Cr-BIO电极具有明显的光辅助充电性能。

The interaction between Antarctic Circumpolar Current and Antarctic coastal current in the Indian section of the Southern Ocean is investigated in this paper by using numerical and theoretical methods. Especially, The non-zonation of ACC in the region of Kerguelen Plateau and its annual variation are analyzed.

本文利用数值方法对南大洋印度洋扇形区南极绕极流和南极沿岸流的相互作用进行了研究，重点研究了凯尔盖朗海台区ACC的非纬向性特征及其季节变化，对其非纬向性的形成机制进行了理论探讨。

In addition, the voltage-current characteristic of linear resistive components is the general solution of Clairaut equation, and the voltage-current characteristic of non- linear components is the singular solution of Clairaut equation.

论文摘要：本文讨论了任意伏安特性电阻元件满足的基本微分方程以及非线性电路的功率匹配问题的几个定理，指出任意伏安特性电阻元件均满足非线性一阶的clairaut方程，并且，线性电阻元件的伏安特性是clairaut 方程通解，而非线性电阻元件的伏安特性是clairaut 方程的奇解。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。