Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Equations of components, field properties and intensity distribution of the electromagnetic field of the annular waveguide are analyzed in detail with the theory of the electromagnetic field.
运用电磁场理论详细分析了环状波导管内电磁场各分量方程、模式特征及其强度分布。
Objective To observe the effects of a low intensity pulsed electromagnetic field ( LIPEMF) on the differentiation and regulation of skin epidermal stem cells ( ESC).
目的观察不同频率的低强度脉冲电磁场（LIPEMF）对皮肤表皮干细胞（ESC）增殖作用的影响。
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