脉动磁场

分析了转子脉动磁场的形成原因，以及对故障后各电气量的影响方式。

The forming principle of pulsating magnetic field of rotor , and the influences of electrical quantities after failures are analysed .

治疗炎性疾病，交变和脉动磁场组分别与脉冲磁场组比较，P＜0.05，差异均有显著性，提示在临床上治疗炎性疾病时，以选用交变和脉动磁场为宜。

The two groups compared with pluse group , there was significant difference ( P < 0.05 ) . It pointed out that using alternating and pulsating magnetic field is better to treat inflammatory disease .

脉动磁场对Al-Cu合金热裂的影响

Effect of pulsating electromagnetic field on hot cracking of Al Cu alloys

旋转脉动磁场加速兔正畸牙移动的实验研究

Experimental study of rotating pulsed magnetic field on orthodontic tooth movement in rabbits

脉动磁场促进下颌骨新鲜骨折愈合的实验研究

Experimental study of pulsed magnetic field therapy for healing of fresh mandibular fracture

需计入脉动磁场和平均流场的相互作用，进一步研究旋转对流元的扩散效应。

The a and β effect , which contain the interaction of the fluctuating magnetic field and mean motion , demand a further study .

结论旋转脉动磁场促进了兔实验性牙齿移动的速度和骨改建，为临床应用提供了实验依据。

[ Conclusion ] The rotating magnetic field promote tooth movement and remodeling of alveolar bone . The experiment will provide an experimental basis for clinical practice .

当脉动幅度与平均磁场强度之比为有限值时，在一般情况下，控制方程中的非线性项不能略去，因而不能用WKB解来描述有限振幅脉动幅度的径向变化。

When the amplitude of the fluctuation is finite with respect to the average magnetic field intensity , the nonlinear terms in the garvening equations can not be droped and the WKB aproxima-tion fails .

根据电磁场理论对直线感应电动机纵向边端效应进行分析，导出了气隙磁场脉动系数、气隙磁场增大系数和纵向等效漏磁长度等的计算公式，并提出了削弱和消除脉动磁场的方法。

This paper analyses the static longitudinal end effect of the linear induction motor according to electromagnetic field theory , and presents the calculating formulas of the air gap magnetic field pulsating coefficient , the magnetic-flux density increasing coefficient and the longitudinal equivalent magnetic leakage length .