污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。

The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.

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半导体：一类晶体材料，其电导率介于导体和绝缘体之间。

Semiconductor: Class of crystalline solids with electrical conductivity between that of a conductor and an insulator.

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绝缘子覆冰密度与电场强度、绝缘子材料、结构、形状、覆冰水电导率等有关。

It also shows that the electric strength, the material, type, structure of insulators and the water conductivity may influence the ice density.

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