叶片气孔扩散阻抗大小是植物净化空气能力的指标之一。
The stomatal diffusive resistance (SDR) of leaves is one of the indexes of the air-filtering ability of plants.
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。
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.
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