The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
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。
Soil conductivity represents the conductive capability of soil solution in digital form, reflecting the state of water and salt in the soil.
而土壤电导率是以数字形式表示土壤溶液的导电能力，反映了土壤的水盐状况。
According to measured soil salt elements, dynamical changes of soil salt contents, conductivity and dominating ions in soil sections in different seasons were analyzed.
根据实测的土壤盐分要素，分析了不同季节土壤盐分含量、电导率及主要离子在土壤剖面中的动态变化及其原因。
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