The analytical expressions about surface electric field intensity and voltage undertaken by main junction and ring junction are presented.

给出表面电场强度、主结及环结分担电压的解析表达式。

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It can be used to set current, automatically detect the voltage drop of the two slip ring electrodes in a certain current, and the insulation resistance and leakage between the slip ring and the axis.

可以设定电流，自动检测集电环两个电极在一定电流下的电压降，并且还可以检测集电环与轴之间的绝缘电阻及漏电流。

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It is shown that the two states('0' and '1') of single-electron ring memory, which has a cyclic array of quantum dots, can be implemented by input voltage controlling the charges on the islands.

研究表明，单电子环形存储器单元电路利用量子点环状电路结构形式，由外接输入电压控制各岛上的电荷，能够得到存储器的“0”和“1”状态。

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