交变电流产生的磁场。磁场的大小和方向都会随着时间按照一定的规律变化。
...交变电磁场;磁化水;除垢;实验 [gap=904]KEY WORDS: Rotating electromagnetic heating machine;Alternating electromagnetic field;Magnetic water;Scale reduction;Experiment ..
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在大地电磁测深法(MT)中，天然交变电磁场是其研究的主要对象。
For magnetotelluric (MT), its main research object is natural electromagnetic fields.
从傅氏级数及空间交变电磁场的角度对采用抖频技术如何来减小EMI进行了分析。
How does jitter frequency reduce EMI from the viewpoint of fourier series theory and the transient electromagnetic field theory is investigated.
交变电磁场是针对煤粉气流在着火过程中有关特征发生变化：煤粉颗粒的半导电性；
The electromagnetic filed influence the ignition process on that: pulverized coal particles as semiconductor;
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