normal geomagnetic porality epoch

用法例句

The results show that grooves on magnetic pole surface can change the magnetic field distribution effectively and enhance the grade of magnetic field,so the higher finishing efficiency can be obtained.

利用有限差分的方法对磁极开槽情况下磁力研磨加工区域中的磁场分布进行了数值分析,提出了一种等磁位线的计算绘制算法,得到了加工区域磁场分布的等磁位线图。

The third damp bars of some magnetic poles on the bulb type hydrogenerators in Feilaixia Hydropower Station regularly broke.

飞来峡水电站的灯泡式水轮发电机部分磁极的第3根阻尼条出现了有规律性的熔断事故。

Magnetics is one of the foundations in elementary physics education from which emerge some specious problems such as the mutual actions between magnetic poles, the distinction of permanent magnet polarity and the description of magnetic induction line.

磁学是基础物理学的基本内容之一 ,近几年的教学中遇到一些似是而非的问题 ,如磁极间的相互作用、永磁体极性的判断和磁感应线的描绘等 ,本文将就这些问题进行讨

The technological process of the new and old die forging for the pole was described.

叙述了磁极新旧模锻工艺过程。

This paper introduces the main design differences between the poles of Three Gorges Generator and the traditional one and as well the structures and the merits of the pole without press plate,chain wedge etc which are the new structures used in Three Gorges Generator by ALSTOM Power Ltd.

　本文介绍三峡水轮发电机磁极与传统结构磁极的不同点,并重点介绍ALSTOM公司在三峡发电机中采用的无磁极压板结构的磁极、齿形磁极键等新结构的设计特点及其优点。

Magnetic Field Analysis of Multi-Polar Magnetizer Based on ANSYS

基于ANSYS的多磁极磁化器的磁场分析

Poles always exist in pairs.

磁极总是成对存在的。

Like poles of magnets repel.

相同的磁极互相排斥。

a magnetic compass Bearing.

可分辨磁极方向的罗盘

magnetite that possess polarity and has the power to attract as well as to be attracted magnetically.

具有磁极、能吸引也能被吸引的磁铁矿。

the magnetic field strength 1 cm from a unit magnetic pole.

距单位磁极厘米处的磁场强度。

A distinction between positive(north)and negative(south)magnetic poles of an electromagnet or permanent magnet.

一种电磁体或永磁体的南北磁极之间的区别。

Magnetic Polaritons in Antiferromagnets/nonmagnets;

反铁磁/非磁结构的磁极化激元色散关系

The fundamental magnetic entities are magnetic dipoles.

基本的磁体是磁偶极子。

North magnetic poles repel .

磁北极与磁北极互相排斥.

steady state stability limit with constant flux

恒定磁时静态稳定极限

interaction of magnetic dipoles

磁偶极子的相互作用

anode tank circuit magnetro

阳极谐振电路型磁控管

plane-parallel magnetron

平行平面电极磁控管

hot cathode magnetron gage

热阴极磁控管真空计

Where there are magnetic forces, there are poles.

有磁力的地方就有极。

homopolar generator electromagnetic pump

同极发电机式电磁泵

air depolarizing cell

空气去极化[去磁]电池