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1, The first structure (12) includes a ferromagnetic material.

2, The relationships between the grain size of ferromagnetic material and the strength and waveform characteristic parameters of Barkhausen noise (BN) were studied.

3, Barkhausen effect is produced by ferromagnetic material under varying magnetic field, it can be used as a new method for nondestructive testing of residual stress.

4, For ferromagnetic material, the demagnetizing field is almost opposite to the magnetizing field.

5, Based on the special quality of ferromagnetic material, the author builds a transformer simulation model.

6, The text analyses the hysteresis of the ferromagnetic material, and analyses the familiar hysteresis model, then bring a new hysteresis model.

7, According to the variety of core construction, ferromagnetic material and operating parameters of system, inrush current presents an evident multiformity.

8, The mechanism of magnetic memory effect on ferromagnetic material under loading was studied.

9, The relationship between the surface hardness of ferromagnetic material and the intensity of Barkhausen noise was studied.

10, The Calculation of magnetic field distribution in ferromagnetic material is one of fundamental problems of MFL nondestructive test.

11, The variation of the peak peak value with the depth of rectangular slot was affected by magnetization of ferromagnetic material.

12, The text mostly study the hysteresis model of the ferromagnetic material.

13, Meanwhile, a stator slot wedge 70 is arranged in the non ferromagnetic material slot 90 opening to fix the stator coil 60,[http://sentencedict.com/ferromagnetic material.html] air gap is provided between the stator core 40 and the stator core 10.

14, In a power transformer the coils are on an iron core made of ferromagnetic material in order to confine the flux so that almost all of the flux linking any one coil links all the others.

15, The magnetic material is selected from permanent magnetic material and ferromagnetic material.

16, The AC magnetization curve and magnetic parameters of the ferromagnetic material are measured by using digital memory oscilloscope and computer.

17, Magnetic flux leakage (MFL) nondestructive evaluation commonly used in the nondestructive evaluation of ferromagnetic material is an efficient method in inspection of oil pipelines in recent years.

18, In rotating machines, the cause of the electromagnetic torque is the electromagnetic force acting on differential volume of the ferromagnetic material in magnetic field.

19, The permanent magnetic material is selected from NdFeB material, and the ferromagnetic material is selected from iron, nickel or cobalt.