From this feature, a new and simple graphical method is proposed to determine the dust layer thickness at the back corona spark point.

从而提出了用伏安特性曲线确定粉尘层反电晕击穿厚度的简易图解法。

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The change distribution and the additional electric field strength distribution are both proportional to the square of the dust layer thickness.

基于静电学理论导出带电粉尘层内的电量分布和电场分布随粉尘层厚度变化的数学模型。

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Analyzed the coal dust samples we collected, mensurated the minimum ignition temperature of coal dust layer and coal dust cloud in different diameter range.

对所采集煤尘样品进行实验分析，测定了不同粒径范围下煤尘层和煤尘云的最低着火温度。

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Cars are lined up in pairs, bumper to bumper, coated with a week-old layer of dust.

NEWYORKER: Baptizing the Gun

Under the glare of electric lights, I saw that the porcelain was coated with a layer of dust, the silverware dulled by tarnish.

NEWYORKER: Sweetheart Sorrow

The whole house had a layer of fine dust that had settled on all the surfaces.

CNN: E-mail from an inferno: Taking back our house