英语释义

• a field of force surrounding a charged particle

片语

electric c field电场

electric drift field电漂移场

electric-field effects电场效应

electric displacement fieldIn physics, the electric displacement field, denoted by D, is a vector field that appears in Maxwell's equation

electric capacity field电容场

electrical field电场

electric-field probe电场探针

electric radiation field辐射场

interference electric-field干扰电场

英汉例句

• according to quantum field theory, this sudden snapping to order of electric dipoles, called polarization, generates a secondary electric field that combines with and strengthens the first field.

  在量子场理论中，这个瞬间电偶极子有序化的过程被称为极化，它产生一个次电场，与第一个电场结合并使其强化。

• so once the fibre is drawn the researchers apply a very high electric field to it, causing the molecules to align as the fibre cools.

  因此，一旦选出合适的纤维材料，研究者们就会将其放于高电场中，让纤维分子在其冷却过程中形成一致性。

• so, if instead you put your particle somewhere down here on the electric field, or on the wave, the electric field will now be in the other direction so your particle will be pushed the other way.

  还有方向，所以如果,你把粒子放在这下面，电场的方向相反,粒子会朝另一个方向运动。

• just to give you formulas,the force caused by the electric field is the charge times the electric field.

  先给出一个公式，电场生成的力,等于电荷与电场之积。

• there are still other uncertainties that need to be worked out, mostly due to the atom「s slight motion in its electric field trap, before the researchers will be satisfied.

  仍然存在其他的不确定性需要计算出来，直到研究人员得到满意的结果，大多数不确定性是由于原子在它的电场管道轻微的移动。

• some challenges remain, such as explaining where the background electric field that charges the particles came from.

  某些难题依然没有被完全解决，例如如何去解释使微粒带电的背景电场从何而来？

• at such close proximity, the electrons in the photovoltaic cell were being liberated by the electric field generated by the hot object, but the usual process of generating a current was going awry.

  在这样的距离，光伏电池中的电子能够被高温物体产生的电场所解放，但用于产生电流的普通方法已经行不通了。

• even in fair weather, a very small electric field is present in earth」s atmosphere. this field can charge airborne particles and the edges of clouds, harrison said.

  哈里森说，即使很好的天气情况下，地球大气层的电场依然存在。电场可以使空气中传播的粒子以及云端边缘带电。

• part of this process involves applying an electric field to a dielectric material within the capacitor.

  这个过程中需要在电容器内的绝缘材料上施加一个电场。

• so when the fibre is drawn the researchers apply a powerful electric field to ensure that the molecules in the plastic all line up in the same direction as the fibre cools.

  当纤维提取出来后，研究人员会对其施加一个强大的电场，以保证纤维冷却后，塑料的分子都按照同一方向排列。

• they sort left from right versions using circularly polarised light, whose electric field corkscrews through space in a left or right-handed direction.

  旋转偏振光被他们用来筛选左手性和右手性分子，这种光的电场以左手或右手螺旋形式在空间旋进。

• he also realised that varying the strength of an electric field would generate a changing magnetic field, even in empty space with no moving electric charges to speak of.

  他同时认识到，变化电场强度将会产生一个变化的磁场，甚至在一个没有移动电子的空间中也是如此。

• as an object heats up it radiates heat, but it also generates an electric field near its surface as a result of the random thermal motion of its atoms.

  物体温度升高后就会辐射出热量，但由于原子的无规则热运动，在物体表面附近还会产生电场。

• they are triggered by thunderstorms and are created when lightning from thunderstorms excites the electric field in the atmosphere above the storm.

  它们是由雷暴雨所触发出来的，当时雷暴雨所产生的闪电激发了高于暴风大气层里的电场。

• these are huge variations in particle intensities, magnetic field strength and electric field strength," lyons said.

  这对于粒子，磁场和电场的强度来说都是极为巨大的波动了，”里昂说。

• an electric field pushes a flame away from a burner in a recent harvard experiment.

  在哈佛的一项近期实验中，一个电场把火焰从燃烧器上推开。

• the mosfet input diode is controlled by an electric field in the gate region, thus the input impedance is always extremely high because there is no forward biased diode to lower the input impedance.

  mosfet的输入二极管是由一个电场控制在门区，因此总是输入阻抗非常高，因为没有正向偏置二极管，以降低输入阻抗。

• even in fair weather, a very small electric field is present in earth's atmosphere.

  哈里森说，即使很好的天气情况下，地球大气层的电场依然存在。

• the particles are suspended in a clear liquid and are pushed around by an electric field created by transparent electrodes placed above and below the capsules.

  这些粒子可以在透明的液体中悬浮，并受到放置在胶囊前后的透明电极产生的电场的作用，而来回移动。