理论上，他说，这种设备应该能够无限期地保持它们的电量，直到它们被使用；不像电池，当它们未被使用时电荷也在渐渐泄漏。
In theory, he says, such devices could maintain their power indefinitely until used, unlike batteries whose charges leak away gradually as they sit unused.
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。
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.
第一个是有效核电量，或者说实际感受到的核电荷量，又或者我想我可以说就是，使它们保持在一起的,原子核的电荷量。
The first is this the z effective, or how much charge is actually in the nucleus that's felt, Z or the I guess we would say the z, how much the charge is on the nucleus that holds it close together.
紧接着采用等效电量关系法详细地推导了电荷泵的稳态输出电压表达式。
Finally, employing the equivalent electricity quantity approach, the steady state output voltage expression of charge pump is derived.
采用这个模型，能用电子全息法观测由该点电荷所形成的静电场分布及荷电量的大小。
With the field model, the electrostatic field distribution were observed and the magnitude of the charged quantity is determined by electron holography.
通过对疤上电量的计算，从电荷分布的微观解释出发，得出一些有益的结论。
By calculating the quantity of electric charge, and using the micro-explanation of the charge distribution, some useful conclusions have been obtained.
本文提出用优化模拟电荷法结合优化增量方程，通过交替修正优化电荷的电量和位置参数来优化电极形状。
In this paper a new approach for optimising electrode contour is described, which combines the correction of coordinates and magnitudes of optimization charges with Optimized Charge Simulation Method.
阐述了尘土颗粒带电对电接触可靠性的影响以及测量电荷的实验方法，并采用密立根方法对尘土颗粒的带电量进行了测量。
The effect of electrical charged dust particles on electric contact and the method for measuring electric charges are discussed.
阐述了尘土颗粒带电对电接触可靠性的影响以及测量电荷的实验方法，并采用密立根方法对尘土颗粒的带电量进行了测量。
The effect of electrical charged dust particles on electric contact and the method for measuring electric charges are discussed.
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