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汉语拼音：diàn hè

物质的一种属 性。物体有吸引轻小物体的性质，就说物体带了电，或者说物体带了电荷。电荷有正、负两种；同种电 荷相斥，异种电荷相吸。有时也把带电体称为电荷。

1. 物体或构成物体的质点所带的正电或负电。带异种电荷的物体相吸引，带同种电荷的物体相排斥。电荷的移动形成电流。

• Two like electric charges repel each other.

  同性的电荷互相排斥.

• We often compare the flow of electrical charges to the flow of water.

  我们时常把电荷的流动比喻为水的流动.

• This is because the record and the cereal have opposite charges.

  这是因为唱片和麦片会有相反的电荷.

• A sol considered as a whole cannot have a net charge.

  一种胶体,就其整体而言可认为不带净电荷.

• By the charge density we mean the per unit volume.

  所谓的电荷密度是指单位体积的电荷.

• How would this solution differ if the lower charge were negative?

  倘若下面的电荷是负的,那么结果有什么不同?

• As the two charge distributions separate, leaving positive and negative sheaths.

  当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.

• Another particle grouping is referred to as charge multiplets.

  粒子的另一分类叫做电荷多重态.

• Electrical energy has to do with pushing and pulling by electric charges.

  电能与电荷的吸引和排斥有关.

• Large static charges may build up in the bed causing spark discharges.

  大量静电荷可能在床内积聚而引起火花放电.

• Electronic charge that is binding is located in the region.

  起成健作用的电子电荷定城在此区域.

• The pions form another triplet, electrically different but otherwise alike.

  π介子构成另一种三重态, 只是电荷不同,其它方面均相同.

• Why doesn't it fly apart under the coulomb repulsion of like - charge elements?

  为什么它不在同类电荷元的库仑排斥作用下散开 呢 ?

• No other kind of electric charge has been found.

  到现在为止,还没发现其他种类的电荷.

• We regard electrons as particles because they posses charge and mass.

  我们认为电子是粒子,这是因为电子带有电荷,有其质量.