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- It shows that SiO_2 covers negative electricity on its surface, so it can form a single absorption layer with Zirconium sol. 随着组装次数的增加,ZrO_2的含量线性增加,致密性、均匀性增强;
- A distinction between positive and negative electric charges. 一种正负电荷之间的区别。
- Ion: Atom or group of atoms with one or more positive or negative electric charges. 离子: 带有一个或多个正电荷(阳离子)或负电荷(阴离子)的原子或原子团。
- As a physical phenomenon lightening is created by the collision of positive and negative electrical charges. 在物理现象中,当正电荷与负电荷相接触,便会产生闪电。
- Of or relating to a particle, an object, or a system that has neither positive nor negative electric charge. 中性的粒子、物体或系统电位既非正也非负的或与之有关的
- Of a particle or body or system; having a net amount of positive or negative electric charge. 指粒子、物体或者系统;带有正电荷或者负电荷。
- negative electricity examination 负验电
- An elementary particle in the lepton family(not a meson),having a mass209 times that of the electron,a negative electric charge. 介子轻子族中的一种基本微粒(非介子),其质量为电子的209倍,是一种负电荷。
- The partial or complete polar separation of positive and negative electric charge in a nuclear, atomic, molecular, or chemical system. 极化(作用)在一个原子核、原子、分子或化学系统中,正负电荷的部分或完全的二极分化
- Including electrostatic field, the negative electric field,the low-frequency field,high frequency anions,such as far-infrared. 包括有静电场、负电场、低频场、高周波、负离子、远红外等。
- When a rubber balloon is rubbed with wool,the negative electric charge cannot move,because rubber is an insulator and so the balloon holds on to its charge. 当橡皮汽球与毛皮摩擦时,负电荷静止不动,因为橡胶是绝缘体,因此,汽球不让电荷跑掉。
- An elementary particle in the lepton family(not a meson), having a mass209times that of the electron, a negative electric charge, and a mean lifetime of2.2?0 - 6second. 介子轻子族中的一种基本微粒(非介子),其质量为电子的209倍,是一种负电荷,平均寿命为2。2?0-6秒
- The state of having exactly the same numbers of positive and negative electrical charges (ionic and electronic), that is, of being electrically neutral. 材料中一种正负电荷(离子和电子)数目精确相等的状态,在此状态下,材料是不带电的。
- Most towns are supplied with electricity. 大多数城镇有电力供应。
- When a rubber balloon is rubbed with wool, the negative electric charge cannot move, because rubber is an insulator and so the balloon holds on to its charge. 当橡皮汽球与毛皮摩擦时,负电荷静止不动,因为橡胶是绝缘体,因此,汽球不让电荷跑掉。
- An elementary particle in the lepton family(not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2?0-6 second. 介子轻子族中的一种基本微粒(非介子),其质量为电子的209倍,是一种负电荷,平均寿命为2。2?0-6秒
- However, when Negative Electric Ions were permeated into the surface of the skin, its pores and sweat glands expanded, which demonstrates good metabolism of the cell membranes. 而当使用负离子接触皮肤是,皮肤的毛孔和汗腺开始扩张,从而证明细胞的渗透能力增强,新陈代谢加速。
- An elementary particle in the lepton family(not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2?-6 second. 介子轻子族中的一种基本微粒(非介子),其质量为电子的209倍,是一种负电荷,平均寿命为2。2?-6秒
- Nowadays, houses are mostly lit by electricity. 现在房屋大多用电照明。
- The electricity failure paralyzed the water supply. 停电使水供应陷于瘫痪。