momentum of electromagnetic field

基本解释

Finally, in the presence of sources, the law of conservation of the electromagnetic field energy and momentum are discussed.
最后，证明了有磁源存在情况下电磁场的能量和动量守恒定律。
Based on theory analysis of metal solidification and hydrodynamics, momentum convection generated by rotating electromagnetic field do not improve feeding obviously.
据金属凝固理论和磁流体力学分析，电磁搅拌力引起的动量对流对补缩的促进作用并不大。
With a simple symmetrical electromagnetic field, the law of conservation of momentum and the law of conservation of angular momentum for electromagnetic field and charges system are investigated.
利用简单对称性的电磁场，讨论了场和电荷系统遵从的动量守恒、量矩守恒定律。