The use of electrical fields to separate charged biomolecules such as DNA, RNA and proteins.

用电场分离带电荷的生物分子如：dna、RNA和蛋白质。

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These are materials which can translate electrical fields into mechanical stress, or vice versa.

这类物质可将电场和机械压力相互转换。

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Most scientists have viewed electrical fields within the brain as the simple byproducts of neuronal activity.

大多数科学家认为大脑内的电场是神经细胞活动所产生的简单的副产品。

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This can detect tiny changes in electrical fields from a distance, even through textiles.

ECONOMIST: A big name from the past hopes for a bright future

When using the NovoTTF-100A System, a health care professional places electrodes on the surface of the patient's scalp to deliver low-intensity, changing electrical fields called "tumor treatment fields" (TTFs) to the tumor site.

ENGADGET: Portable brain tumor treatment system kills cancer while you take out the trash

Since then several teams have been trying to make colder antihydrogen and to hold on to it using clever configurations of electrical and magnetic fields.

ECONOMIST: Antihydrogen atoms are captured for the first time