Diffusion transfer: Paper negative exposed in the normal way and develope in contact with positive material.

扩散转移: 用一般曝光法把纸底片曝光,然后和片材料接触显影.

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We use MnO 2 as the positive electrode material and add different lead oxide to the positive material.

用MnO_2作为超级电容器正极电极材料,并通过在正极活性物质中加入不同的铅的氧化物探讨其对正极容量的影响.

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