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31 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.

32 Therefore it's important to fully understand the mechanism of ferromagnetic resonance and simulate ferromagnetic resonance over-voltage model.

33 A magnon - phonon interaction model is built on two dimensional insulating ferromagnetic.

34 Structures and magnetic properties of the films were studied by transmission electron microscopy (TEM) and ferromagnetic resonance (FMR) respectively.

35 The temperature dependence of exchange bias and coercivity ferromagnetic layer and antiferromagnetic gain layer is discussed.

36 Through analysis on the ferromagnetic resonance phenomenon in auxiliary power system of the nuclear power station, the possibility of the circuit resonance of the generator voltage is discussed.

37 A symmetrical ferromagnetic bilayer film is investigated under the nonperiodic boundary condition and considering anisotropic field at two surfaces, by using the rescaling interface approach.

38 Magnetic relaxor ferroelectric materials (MRF) are compounds in which the relaxor ferroelectricity and ferromagnetic (antiferromagnetic) order coexist simultaneously in certain temperature range.

39 A new method for determining Curie point of ferromagnetic minerals is introduced in this article.

40 Magnetic properties indicate the transition from ferromagnetic to paramagnetic near the curie point, and exhibit the typical cluster glass characterization.

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

42 As the loop parameters and the different conditions of external excitation, the may bring the possible frequency, frequency or high frequency ferromagnetic resonance.

43 It is obvious that there is a definite transition interval of temperature between ferromagnetic state and paramagnetic state of the metal and the Curie temperature is only an intermediate value.

44 The free vibration of ferromagnetic plates and shells under high in - plane magnetic field are studied.

45 The ferromagnetic resonance measurement results show that there exists unidirectional anisotropy.

46 Barkhausen noise analysis (BNA) is a distinctive measure for testing microscopic stresses and metallurgical structure in ferromagnetic materials.

47 On the basis of the results obtained, the spin-wave resonance of a ferromagnetic film with a surface of antiferromagnetic oxide is discussed.

48 By changing the film size can change the ferromagnetic resonance frequency and eddy current loss, and achieve the maximal attenuation to the noise with specific frequency .

49 The invention also provides the preparation method of the ferromagnetic oxide powder, comprising the steps of dosing, mixing, preburning, crude crushing, fine grinding, drying, annealing and smashing.

50 In this dissertation, the two-time Green's function method is used to study the ferromagnetic and antiferromagnetic model with the single-ion anisotropy.

51 More precise analytic expressions for ferromagnetic resonance of single crystals are calculated, the approximation being carried to terms quadratic in the magneto-crystalline anisotropy field.

52 The magnetic material is selected from permanent magnetic material and ferromagnetic material.

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

54 Taking a ferromagnetic bar of medium wave as the core of the pulse voltage transformer can greatly simplify the making of the lamp.

55 Digital information is stored in an unpatterned magnetic film, using the inherent, natural properties of the domain walls in ferromagnetic materials to write data on an unpatterned magnetic film.

56 In this paper, the circuit and the principle of a instrument for testing the stresses in ferromagnetic materials using Barkhausen Noise technique is introduced.

57 The text analyses the hysteresis of the ferromagnetic material, and analyses the familiar hysteresis model,(sentencedict .com) then bring a new hysteresis model.

58 The design of differential stress sensor with five magnetic pole based on counter magnetostriction effect of ferromagnetic materials is given.

59 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.

60 Ferromagnetic resonance frequency change might lead to signal attenuation peak frequency corresponding change.