The transient behavior in approaching to quasi-stationary state for fissioning systems is studied by diffusion model.

本文采用扩散模型来讨论核裂变中的瞬态过程。

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The dissolution was confirmed to be a quasi-reversible process, which was controlled by solid-state diffusion and charge transfer.

证明针镍矿的阳极溶解是由固相内扩散传质和电荷传递步骤混合控制的准可逆电极过程；

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With the increasing of the viscosity of electrolyte, the diffusion coefficient of I_3 ion decreased rapidly to be a new controlling step in the quasi-solid state dye-sensitized solar cell.

发现随着电解质体系粘度的增加，I_3~-离子扩散系数急剧下降，进而在准固念染料敏化太阳能电池的光电转换过程中形成新的速控步骤I_3~-离子的扩散过程。

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With the increasing of the viscosity of electrolyte, the diffusion coefficient of I_3 ion decreased rapidly to be a new controlling step in the quasi-solid state dye-sensitized solar cell.

发现随着电解质体系粘度的增加，I_3~-离子扩散系数急剧下降，进而在准固念染料敏化太阳能电池的光电转换过程中形成新的速控步骤I_3~-离子的扩散过程。

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