Moreover, since the form of iron oxide used to make the droplets is magnetic, a magnetic field can be used to rotate them.
此外，由于制作这微粒的氧化铁是带有磁性的，就可以通过磁场来旋转其方向。
2
Oxidemagnetic materials, making method, antenna coils, and inductance elements.
氧化物磁性材料，制造方法，天线线圈，和电感元件。
3
Objective To study the influence of oral magnetic field treated spirits for superoxide dismutase(SOD)activity, malonyldialdehyde(MDA)and nitric oxide(NO)level in human body.