电容会在一个给出的电压值下储存一定的电荷。
For a given voltage a capacitor will store a certain amount of charge.
但在一般电容中,分离电荷间的距离不会小于两片金属片间的距离。
But in a capacitor, the separated charges can get no closer than the distance between the two metal plates.
同样,在超级电容中,当两块金属片被施以电压(即充电)后,电荷建立于两极,一极为正,一极为负。
Similarly, in an ultracapacitor, when voltage is applied across the two metal plates (i.e. during charging), a charge still builds on the two electrodes—one positive, one negative.
振荡频率由电容储存电荷的能力,以及线圈生成磁场的能力所共同决定。
The frequency of this oscillation is controlled by the capacitor's ability to store charge and the coil's ability to produce a magnetic field.
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。
The shorter distance between those separated charges in an ultracapacitor translates to a larger electric field—and much more energy storage capacity.
但是相邻的一个仪表还显示了一些其他东西:车的电容器的总电荷数在递减。
But an adjacent dial shows something else: the amount of charge in the car's capacitors is decreasing.
超级电容器似乎能够兼备速度和耐久性这两个优势,这是因为和电池类似,在构造上它采的是用离子和电解液而不是简单依靠静电荷。
The reason ultracapacitors may be able to bridge the gap between speed and endurance is that, like batteries, they use ions and an electrolyte rather than simply relying on the static charges.
电荷存储元件——电容器,可以快速地充放电,但是因为电荷被存储在电容器金属片的表面,所以电荷容量有限。
Electrical storage devices known as capacitors charge and discharge very quickly, but because they hold their charge on the surface of metal plates, their storage capacity is limited.
光子撞击电容器阵列,产生与其强度成正比的电荷,而电荷耦合器又将它转换成电压。
Photons of light striking an array of capacitors create an electrical charge proportional to their intensity, which the charge-coupler transforms into voltage.
在超级电容中,离子和带相反电荷的电极之间的距离非常小,需要用纳米(千分之一微米)计算。
In an ultracapacitor, the distance between the ions and opposite-charged electrode is so tiny it's measured in nanometers (one-thousandth of a micron).
还有在电容中,也使正电荷在一侧,负电荷在另一侧。
And remember that in a capacitor, negative charge builds on one side and positive charge builds on the other.
这种电荷转移是由于触点的机械释放或闭合、“触点-线圈”电容以及信号和继电器驱动线路之间的寄生电容引起的。
This charge transfer is due to the mechanical release or closure of the contacts, the contact-to-coil capacitance, and the stray capacitance between signal and relay drive lines.
彗星其实就是太空中的电容器,它们在太空中穿梭收集并且存储电荷。
Comets are electric cosmic capacitors that gather and store energy as they pass through space.
在测量一个器件,如电容器上的电荷时,重要之点是要首先关闭静电计的零点检查功能,然后再将电容器连到高阻抗输入端。
When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.
电容器从放电电路断开以后,电容器中保持剩余的电荷,从而在电容器的端子之间重新建立起电压。
After a capacitor is disconnected from a discharge circuit, a residual charge remains on the capacitor, so a voltage is re-established across the capacitor terminals.
如果电荷不能通过这种界面,它即是极性的,其电学行为等效一个电容。
If charge cannot cross the interface, it is said to be polarized and is electrically equivalent to a capacitor.
各种电荷测量的应用:电容测量、使用法拉第杯的静电电荷测量等。
Charge measurement Applications: Capacitance measurements, static charge measurements using a Faraday cup.
为了有效地求取电气设备的空间分布电容值,对三维空间表面电荷法进行了改进。
A three dimensional surface charge simulation method is improved for effective computation of stray capacitance of electric apparatus.
主要通过考虑介观电容的耦合能,对离散电荷介观LC电路中的电荷与电流的动力学行为进行了研究。
This paper mainly investigates dynamic behavior of charge and current in a mesoscopic LC circuit with discrete charge by considering coupling energy of the mesoscopic capacitor.
第16周点电荷系的能量;带电电容器储存的能量;电场的能量和能量密度;应用举例。
Week 16 Energy of point charges system, energy of electric field in capacitor , energy and its density of electric field.
当正向偏压足够高时,扩散电容很容易超过空间电荷压电容。
With sufficient forward bias, the diffusion capacitance can easily exceed the space charge region capacitance.
利用电荷泵升压电路提高存储电容的电压,有效的增加了存储能量;
The system utilizes charge pump elevator to enhance the voltage of storage capacitor and effectively increase the reserved energy.
因为ccd器件本质,他们需要电容外部控制信号,达到大钟波动可接受的电荷转移效率。
Because CCDs are essentially capacitive devices, they need external control signals and large clock swings to achieve acceptable charge transfer efficiencies.
研究了电路量子态的演化,电路中电荷及电流的量子压缩效应以及介观电容器中隧穿电流的量子崩塌与复苏现象。
Subsequently, we study the evolution of the quantum state, the quantum squeezing effects of the charge and the current, and the quantum CR phenomenon of the tunneling current in the capacitance.
位移电流的机理只对反向偏压或要维持空间电荷层所需要的非常弱的正向偏压条件下的电容器才有用。
The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer .
电荷是电流对时间的积分,(公式)电荷常常用一个表面上的带电粒子数,或一个元件(如电容器)上的粒子数来度量。
Charge is the time integral of current,. Charge is often measured on a quantity of particles, on a surface, or on a component such as a capacitor.
数据一旦被写进DRAM,每个小电容上电荷的存储时间就必须大于DRAM的刷新脉冲时间,如果由于漏电流致使存储的电荷丢失,就会导致数据读取的误操作。
Once data has been written in DRAM, charges stored in each capacitor must maintain more than the refresh time so that the information stored in each DRAM cell can be read out correctly.
指出电容能量公式对于极板间存在自由电荷的电容并不适用。
The formula of capacitance energy is not proper to capacitors which have free charges among their plates.
基于电荷转移法测量电容变量的原理,研制了一种电容式原油含水率传感器及其仪器。
Based on the charge transfer technique, the capacitance sensor and instrument for measuring water cut in oil are developed.
通过集成电路各器件间的布线传递信号的过程,是将信号电荷向布线间形成的寄生电容充放电的过程。
Electricity charges and discharges from the multi-layer cabling's parasitic capacitance when signal is transferred among different parts of integrated circuit.
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