The "flywheel" battery, it is said, could power an electric car for 600 miles on a single charge.
据说,“飞轮”电池每充电一次可驱动一辆电动汽车行驶600英里。
When an insect brushes against them, this triggers a tiny electric charge, which travels down tunnels in the leaf and opens up pores in the tear's cell membranes.
当一只昆虫与它们擦身而过时,就会触发一种微小的电荷,电荷沿着树叶里的隧道向下移动,并打开泪液细胞膜上的小孔。
In Sweden, engineers have even designed a road that will charge electric vehicles as they drive along.
在瑞典,工程师们甚至设计出一种路,供电动汽车行驶时充电。
For example, some electric cars can travel only 60 to 120 miles on a full charge.
例如,一些电动汽车在充满电后只能行驶60到120英里。
Once an electric car reaches a charging station, it can take up to six hours to charge.
一旦电动汽车到达充电站,充电时间需要长达6个小时。
By changing the structure of such a crystal slightly, using an electric charge, the colour of the light reflected by that crystal will change too.
依靠轻微得改变晶体的结构,利用电流的改变,当晶体改变时,光的颜色也会相应改变。
Compressed tightly by gravity, they are composed almost entirely of neutrons, sub-atomic particles with no electric charge that form part of atoms.
随着万有引力的挤压,中子星几乎完全由中子组成,不包含带有电荷的亚粒子。
This is the SI unit, the systeme international unit for electric charge.
这是国际单位制,电荷的国际单位制。
But now, if I integrate the charge density over the entire region, then what I will get is actually the total amount of electric charge inside the region.
如果将电荷密度对整个区域做积分,将得到,在区域内的电量总和。
It is the amount of electric charge per unit volume.
是电荷与体积的比值。
COULOMBS measure electric charge (that can occur if said area is a synthetic carpet)
库仑是测量静电电荷的单位(如果前述面积是一块合成纤维地毯的话,这种情况就有可能发生。)
He further predicted that every elementary particle with a spin has its counterpart with the same mass but opposite electric charge, or that a particle has an antiparticle.
他进一步预言每一种自旋为的基本粒子都有质量相同但电荷相异的对应粒子,或者说,就是每个这样的粒子都有一个反粒子。
To this end, he is experimenting with different kinds of polymers and seeking better methods of combining the materials and collecting the electric charge.
为了这些,他实验了不同种类的高分子聚合物并且试图寻找更好的办法结合材料和收集电量。
The OLED TV USES display technology based on organic materials which emit light naturally, once an electric charge is passed through them, rather than being back-lit as in LCD and Plasma screens.
OLED电视采用基于有机材料的显示技术,一旦电荷从中通过,就可发出自然光,而不是发出像液晶显示屏和等离子屏幕那样的背光。
Ash particles have a small electric charge, and are then trapped on one of the plates.
灰尘颗粒带有少量电荷,因此其中一块金属板可以捕获这些颗粒物。
These particles of matter are similar to electrons, but since they have no electric charge, they can pass through anything.
这些物质微粒与电子相似,但因为没有电荷,它们可以穿透任何物体。
Spin any electric charge and you get a magnetic field.
当你把任意电荷旋转起来,就能得到磁场。
Instead, the solar wind and the sun's UV radiation give an electric charge to atoms and particles in Mars outer atmosphere.
相反,太阳风与太阳的紫外线辐射给予火星大气外侧的原子和粒子一个电荷。
So instead, the team devised a way to coat the conducting nanotubes in a polymer to protect the electric charge and allow the ink to be purely semiconducting.
所以,研究组成员想出了一个办法,将导电纳米管覆在一聚合体上,这样不仅可以保护电荷,而且还能使油墨完全呈半导体性质。
Sensors detect when dust concentrations reach a critical level and then an electric charge energises the material sending a dust-repelling wave across its surface.
当传感器发现粉尘浓度达到了临界水平,就有一定的电荷促使该材料发出除尘波越过其表面。
They have a minuscule mass, no electric charge, and pass through almost any material as though it was not there.
它们质量极小,不带电荷,可以穿透几乎任何物体而不留痕迹。
If there is a voltage difference between these conductors, electric charge is stored.
当导体有电压差值时,电荷就能被储存。
These neutral atoms have no electric charge, and are therefore very difficult to get to interact with one another.
这些中性原子不带电,因此彼此间很难有相互作用。
But without him that electric charge was missing from the sword-like pointing of the cue, and from the click of the White propelling perfectly to the pocket the Blue, the Pink and the Black.
但没有他,如剑出鞘般的出杆就没有了电光石火的凌厉,也没有了怀特推杆法将蓝球、粉球和黑球送进袋里的完美演绎。
It is the electric charge density.
这是电荷密度。
They state that a moving electric charge will generate a magnetic field while a shifting magnetic field similarly creates an electric field.
它们表明,变化的电荷会产生磁场,变化的磁场同样能够产生电场。
Unfortunately, because these materials are not good conductors of electric charge, it takes a long time to get the charge in or out of a battery.
不幸的是,因为这些阴极材料都不是良导体,所以充放电需要很长时间。
That is the electric charge in D.
这是D中的电荷。
First, there is electric charge.
第一,电荷。
First, there is electric charge.
第一,电荷。
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