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An electron has a negative charge, a proton has a positive charge.

电子带负电荷, 质子带正电荷.

《简明英汉词典》

Cathode rays are attracted by a positive charge.

阴极射线被正电荷所吸引.

《简明英汉词典》

The positive pole carries a positive charge while the negative pole does a negative charge.

正极带正电荷,负极带负电荷.

《简明英汉词典》

The fur must have a positive charge.

毛皮必定带有正电荷.

辞典例句

The positive charge in the atom is spread over the whole atomic volume.

原子中的正电荷分布在整个原子体积上.

辞典例句

The drops are usually negatively charged, but occasionally one with a positive charge is found.

这些油滴一般都带负电, 但偶尔也发现有带正电的.

辞典例句

The positive charge of metal ion determines the strength of the acid.

而金属离子的电荷决定了酸的强弱.

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Slides are available with or without a permanent positive charge.

载玻片可持久的带或不带正电极.

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This charge is a positive charge.

这个电荷是正电荷.

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The electron, for example, has negative charge, whilst its antiparticle, called the positron, has positive charge.

举例说明, 比如电子带负电荷, 同时, 它的反粒子被称作正电子—带有正电荷.

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Hole - Similar to a positive charge, this is caused by the absence of a valence electron.

空穴 - 和正电荷类似, 是由缺少价电子引起的.

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The plate is impressed with a positive charge so that it may flow electrons.

阳极带有正电荷,这样就能使电子流动了.

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A proton positive charge and electron a negative charge but a neutron has neither.

质子带正电,电子带负电,而中子既不带正电,也不带负电.

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Where atom is losing some of its electrons is said to be a positive charge existing.

在原子失掉一些电子的情况下,可以说是带了正电荷.

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Objective : To evaluate the efficacy of the positive charge - modified microporous filter in removing bacteria from water.

目的: 研究荷正电微孔滤器对水中细菌的去除效果.

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