In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.

在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。

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We analyse the factors such as dust resistively, the applied electric field and dust water ration which affect the dust cohesive force.

分析了比电阻、外加电场和粉尘含水率等因素对粉尘粘结力的影响。

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