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 essential condition for the decay of the vacuum is the presence of an intense electric field.
真空衰变的基本条件是存在强电场。
In 1832, the year of Michael Faraday's discovery that a changing magnetic field produces an electric field, a young French engineer patented a new and more efficient waterwheel.
1832年，也就是迈克尔·法拉第发现磁场变化会产生电场的那一年，一位年轻的法国工程师为一种新的、效率更高的水车申请了专利。
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。
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。
At the core of the motor are piezoelectric materials-special crystals or ceramics that change shape very slightly in the presence of an electric field.
这个马达的核心是压电材料-特殊晶体或陶瓷，这些材料在电场出现时形状改变非常小。
But if the dipoles form in the presence of an existing electric field, they immediately align along the same direction as the field.
但是，如果这些电偶极子处于电场中，他们就会立即沿电场的方向排列。
Finally, enter the demon, whose eye is a camera and brain a computer that controls the electric field.
最后，引进了这个妖魔，它的眼睛是一台照相机和控制电场的电脑。
When an electric field is applied to the electrodes the piezoelectric material translates this into a mechanical strain along its radial axis, causing it to vibrate.
当两个电极之间形成电场时，压电性物质便将电场转化为沿径向轴的机械压力，使纤维震动。
That asymmetry makes the plastic piezoelectric: it changes shape when it encounters an electric field.
这个不均衡导致了塑料具有压电性，会随着电压的改变而改变形状。
The shorter distance between those separated charges in an ultracapacitor translates to a larger electric field—and much more energy storage capacity.
超级电容中分离电荷之间的距离越小，形成电场的越大，储存能力也就越大。
That one tells you about the curl of the electric field.
那个关于电场旋度的方程。
If we put a dipole that has the freedom to move, we put that dipole in an electric field, it will align itself with the field lines.
若我们将偶极释放到自由空间中，比如说放到电场里，他们会自动排序按同一方向。
The electric field grabs the negatively charged DNA and holds it in place.
电场会“抓住”DNA，将它固定在纳米孔中。
It's an effect created by an electric field, that creates a singular pull on an atom and ultimately RIPS it apart.
它是由电场产生的效应，对原子进行单方面拉扯，最终撕裂。
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。
Previous experiments have shown that applying a constant electric field created small effects on flames, but Cademartiri's work used an oscillating electric field to greater effect.
过去的实验已证实，施加恒定电场于火焰上会产生较小的效应，而Cademartiri在工作中采用振荡电场得到了更显著的效应。
As electrons accelerate in the electric field, they gain energy that they pass on to the atoms and molecules of the gas as they collide with them, creating a glowing plasma.
当电子在电场加速时，电极就会获得能量，并在与气体原子和分子相撞时把能量传递给它们，这样就会产生发光的等离子气体。
By applying voltage to the needles, an electric field is created that extracts the ions from the liquid, accelerates them at very high speeds and forces them to fly away.
通过在针状物上施加电压，一个从液体提取离子并加速他们到一个非常高的速度然后强迫它们飞离的电场就被创造出来。
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。
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？
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。
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。
For example, the electric field or gravitational field is given by the gradient of the gravitational or electric potential.
例如由重力势梯度给出的重力场，或由电势梯度给出的电场。
The energy within this circuit oscillates rapidly between an electric field in the capacitor and a magnetic field in the coil.
电容产生电场，线圈生成磁场，电路中的能量就在电场和磁场之间高速振荡。
He plans to nanoengineer their optical and structural properties using DC electric-field techniques, coupled with femtosecond and nanosecond laser processing.
他计划使用直流电场技术，结合飞秒与纳秒激光工艺，对它们的光学与结构特性进行纳米设计。
This was connected to a computer, which tweaked the electric field so as to lock in the corresponding energy gain, storing information as it did so.
摄像机连接到一台电脑，电脑通过微调电场强度，锁定相应增加的能量，同时储存相关的信息。
This was connected to a computer, which tweaked the electric field so as to lock in the corresponding energy gain, storing information as it did so.
摄像机连接到一台电脑，电脑通过微调电场强度，锁定相应增加的能量，同时储存相关的信息。
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