In the study on forward problem of EIT, the effect of the position and area of electrical conductivity change in the field on the boundary potential was studied.

在电阻抗成像正问题研究中，研究了场域内电导率变化位置、大小对边界电位的影响。

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The conductivity mechanism of this membrane was studied with A. C. impedance method, the experimental results prove that the impedance of the boundary is controlled by the diffusion process.

用交流阻抗法研究了膜的传导机理，实验结果表明界面阻抗受扩散过程控制。

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The dependence of grain boundary on conductivity in NTC polycrystalline oxide semiconductor was discussed.

主要讨论NTC多晶氧化物半导体中晶界对电导的影响。

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