Thermo-remanence needles were being produced for mariners by the year 1040, with common use recorded by 1119.

热剩磁针在1040年前就已经被制造出来，为海员们所用。 到1119年这种技术已经很常见。

PLC samples the remanence voltage of generator and measures its period with software to get the signal of fire speed.

PLC采样发电机的剩磁电压，通过软件编程测取剩磁电压的周期，来获得原动机的点火转速信号。

It is necessary to compensate for the demagnetizing field in remanence measurements of perpendicular magnetic recording films.

对于垂直磁记录薄膜，进行剩余磁化强度的测量时，必须补偿退磁场。

Abstr: the ct saturation remanence under different operating conditions was analyzed based on the principles of practical operation.

文章摘要：从实际运行中ct剩磁的产生及饱和的基本原理入手，分析了不同运行条件下CT的饱和特性。

The current transducer magnetism characteristic instrument is mainly developed to measure the time - constant and remanence coefficient.

研制的测试仪主要用于测量互感器的二次侧时间常数和剩磁系数。