A new method of solving the capacity problem is presented by using the formula of capacity for a parallel plate capacitor , with simpler calculation and more explicit physical meaning as compared with the conventional solution 摘要提出了导体系统电容问题求解的一种新方法，借助双球面坐标系和平行板电容公式，求出了异心球形电容器电容的解析式。
This conclusion is useful to optimize the converter . then it is proposed that the effects of retraining bias - magnetic and reducing the voltage stress of mosfet should be both considered in selecting the clamping capacitance 本文提出对于推挽正激的关键参数? ?箝位电容的选取要综合考虑对偏磁的抑制作用和对功率管尖峰的抑制作用,并给出了选取方法。
The theory of lift - mode scan capacitance microscope lm - scm is analyzed . under the hypothesis of small amplitude , it is found that the oscillation amplitude of the cantilever is directly proportional to the gradient of the surface capacitance 对升高模式扫描电容显微镜lm - scm进行了理论分析，发现在小振幅近似下针尖的振幅直接正比于样品表面电容的梯度分布。
In this paper , a new technique of stepless inductance change controled by igbts is proposed , which can not only change inductance quickly and smoothly , but also generate harmonic current to detect the capacitance to earth as required 本文提出一种采用igbt控制实现的新型无级调感技术，该技术不仅可以迅速调感，还可以根据需要产生谐波电流用于对地电容的检测。
For such capacitance measurement , there are several method such as resonance , charge / discharge , ac bridges , and so on . these method are all implemented by analog device with analog output . with the maturity of the digital ics , some digital method comes up 针对这种微小电容的检测,目前的方法主要有谐振法、充放电法、交流电桥法,这几种都是利用模拟器件实现,输出均为模拟量。
Micropores have great effects on electrode especially , micropores between 2 to 5nm can increase capacity of edlc . table sugar must be activated for electrolde material as edlc some functional groups contain in material can increase capacity of edlc 这是因为活化使碳材料的比表面积和孔隙率增大，同时含氧的宫能团有利于吸附型准电容的生成，从而使材料的比容量增大。
The in - depth analysis of the noise in gilbert mixer including parasitical capacitors , in which the mixer and lna have been connected together and the noise figure of mixer can be expressed explicitly as that of lna 回在包括寄生电容的情况下，对双差分对混频器（ gilbertmixer ）的噪声性能做了深入分析，把混频器和低噪放联系在一起，可像低噪放一样，直观的表达混频器的噪声系数。
The structure of the micro differential capacitance is optimized by use of the ansys software . 3 . when sih4 reacts with nh3 in a plasma - enhanced chemical vapor deposition ( pecvd ) equipment , a thin film of si3n4 is deposited on the si film 2 .研究了微电容式压力传感器的差动电容结构设计和微谐振式压力传感器的微谐振子结构设计,利用ansys软件对微差动电容的结构进行了优化设计。
By introducing an example of intelligent humidity and temperature measurement system , the features of humidity sensor capacitor and it s application , and the principle , structure of the measurement system , and its calibration were described 本文就一个智能型湿、温度测量仪表系统的实例，介绍了作为湿度传感器的湿敏电容的特性和应用情况，并简要介绍了该测量仪表的结构、工作原理和校准的问题
Now supercapacitors have become a hotspot in research , and in many countries other than china , supercapacitors have been sucessfully used in electric vehicles , there is n ' t any report on applicable supercapacitors techniques or products in our country 国外已经有相应的产品在电动汽车上得到了运用，国内的研究则刚刚起步，因此开展超级电容的研究对促进我国电动汽车事业的发展具有很大的意义。
