1) four-electrode
四电极
1.
A solution for impedance measurement with four-electrode is designed here according to the requirements of liquid impedance measurement.
根据液体阻抗测量需要,提出了可用于四电极的测量方案。
2.
An impedance spectroscopy measurement system for conductive aqueous solution at medium to low frequencies is designed using the four-electrode measurement theory.
介绍一套基于四电极测量原理的中低频液体阻抗测量系统,采用四电极的测量探头用于电导性液体中低频阻抗谱的测量。
2) four-probe method
四电极法
1.
Electrical resistivity measurements of carbon fiber reinforced cement-based (CFRC) are conducted using the four-probe method.
研究四电极法中电板位置、电流大小、交直流等对碳纤维水泥基复合材料(CFRC)圆柱试样电阻率测试的影响。
3) four-pole electric apparatus
四极电器
4) quadrupolar electricfield
四极电场
5) electric quadrupole moment
电四极矩
1.
By comparing the integrative approach and Dirichlet formula to calculate inertia tensor and electric quadrupole moment,the author not only draw a conclusion that calculating by using Dirichlet formula is easier and convinent,but also worked out the calculating method of inertia tensor and electic quadrupole moment of a kind of inhomogenous ellipsoid.
对惯量张量、电四极矩用积分法计算和狄利克莱公式计算作对比,表明用狄利克莱公式[1]计算简洁、方便。
2.
This paper given the physical image of electric potential multipole expansion,and the compare analyses of definitiones of electric quadrupole moment are also given.
给出电势多极展开中多极子的物理图象 ,并对电四极矩的几个定义式作对照分析。
补充资料：四电极体系
分子式：
CAS号：
性质：测量物体电阻或电导的装置。物体两端的电极为导电电极；中间的两个为测试电极。虽然通过的电流(交流或直流)可以控制很小，导电电极仍将发生极化，影响测试精度。为此利用中间两电极测量(如惠斯登电桥法)，因其输出端无电流通过。知道两极间距离及物体截面积后，即能算出该物体的电阻率或电导率。
CAS号：
性质：测量物体电阻或电导的装置。物体两端的电极为导电电极；中间的两个为测试电极。虽然通过的电流(交流或直流)可以控制很小，导电电极仍将发生极化，影响测试精度。为此利用中间两电极测量(如惠斯登电桥法)，因其输出端无电流通过。知道两极间距离及物体截面积后，即能算出该物体的电阻率或电导率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条