The structural and magnetic properties of the granular film are studied by atomic force microscope, energy dispersion X-ray spectrum, X-ray diffraction, and alternating gradient magnetometer.
利用原子力显微镜、能量散射X射线谱、X射线衍射和交变梯度磁强计研究了该颗粒膜材料的结构和磁学性质。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.
交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。
In this paper, a new hardware circuit of real time measuring for mine hoist force diagram based on alternating current sampling is proposed. The software algorithm is also given in the paper.
提出了利用交流数字采样法进行矿井提升机力图实时测定的一种新的硬件电路设计及其软件算法。
The device includes a plurality of probes in the alternation magnetic field for inducing the alternating magnetic field to generate the induced electromotive force;
该装置包括位于所述的交变磁场中的多个探头，用来感应所述的交变磁场以产生感应电动势；
The device includes a plurality of probes in the alternation magnetic field for inducing the alternating magnetic field to generate the induced electromotive force;
该装置包括位于所述的交变磁场中的多个探头，用来感应所述的交变磁场以产生感应电动势；
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