The inductive component of substation's grounding impedance is related to the size of the grounding system, soil resistivity and the injecting point of measuring current.
接地网接地阻抗中感性分量与接地网规模、土壤电阻率、电流注入点位置等因素有关。
Improper initial value will result in errors of low frequency component, relative wave impedance and stratum thickness to cause pitfalls of seismic data interpretation.
初位选择不同会出现反演的多解性；初值选择不当，会导致低频分量、相对波阻抗及岩层厚度的错误，产生地震解释的陷附。
CONCLUSION: Multifrequency segmental bioelectrical impedance analysis is reliable in measuring human body component.
结论：应用多频节段生物电阻抗分析法测量人体成分具有较高的可重复性。
This paper introduces the circuit design principle, component selection, installment, testing and application of a two-way impedance electric chemical test pre-placed magnifier.
介绍了一种双路高阻抗电化学测试前置放大器的电路设计原理、元件选择、安装调试及其应用。
This paper introduces the circuit design principle, component selection, installment, testing and application of a two-way impedance electric chemical test pre-placed magnifier.
介绍了一种双路高阻抗电化学测试前置放大器的电路设计原理、元件选择、安装调试及其应用。
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