Maxwell's equations conserve certain properties-the magnetic fieldintensity, 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。
2
Equations of components, field properties and intensity distribution of the electromagneticfield 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。
3
Objective To observe the effects of a low intensity pulsed electromagneticfield ( LIPEMF) on the differentiation and regulation of skin epidermal stem cells ( ESC).