The sample was then exposed to a magnetic field applied parallel to the direction of flow of blood via a coil around the edge of the test tube.

然后，将样品放置在通过缠绕在试管边缘的线圈而产生的磁场中，该磁场的方向与血液流动方向相同。

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In the new study, the researchers disrupted activity in the right TPJ by inducing a current in the brain using a magnetic field applied to the scalp.

在新的研究中，研究者通过在头皮上应用磁场形成电流来干扰t PJ区域的活跃性。

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A magnetic field applied to a small area of the skull creates weak electric currents that impede nearby brain cells' ability to fire normally, but the effect is only temporary.

作用于颅骨小部分区域的电磁产生微弱的电流，这种电流阻碍附近大脑细胞活动的能力，但是这种作用只是暂时的。

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The hands-on strategy is also applied to "field schools" for adults already working the land.

VOA: standard.2010.04.01

Again, in an electric field line splitting observed, the intensity of the line splitting varying with the intensity of the applied electric field.

结果也证明谱线在电场中也会分裂，而且其分裂程度,随电场强度变化而变化。

麻省理工公开课 - 固态化学导论课程节选

And, furthermore, that the intensity of the splitting was proportional to the intensity of the applied magnetic field.

并且谱线的分裂程度,和实验中所使用的磁场强度,是成比例的。

麻省理工公开课 - 固态化学导论课程节选

That means that the beads will turn and turn about if an electrical field is applied to them.

ECONOMIST: Showing off

When an electric field is applied to a microcapsule, the pigment particles within it move, turning one side of the capsule white and the other black.

ECONOMIST: REPORTS

Obviously an eyelid-like shutter mechanism would be too large and complicated for something as small as a print head, so an electrical field is applied instead to keep the film spread thin.

ENGADGET: Alt-week 7.28.12: social mathematics, Pluto's moons and humans-on-a-chip