We analyze six kinds of antistatic property’s test methods: half life, friction electrification pressure, electric charge density per unit area, clothing electrification, smock friction electrification, interelectrode equivalent resistance. Electric charge density per unit area is selected.
分析比较了目前常用的六种抗静电性能的测试方法:半衰期法、摩擦带电电压法、电荷面密度法、衣物带电法、工作服的摩擦带电法、极间等效电阻法,最终选定电荷面密度法来测试织物的抗静电性能。
参考来源 - 汽车内饰针织产品开发及抗静电性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is the electric charge density.
这是电荷密度。
But now, if I integrate the charge density over the entire region, then what I will get is actually the total amount of electric charge inside the region.
如果将电荷密度对整个区域做积分，将得到，在区域内的电量总和。
Experiments showed that modified PAM is a kind of amphoteric PAM with low molecular weight and higher density of electric charge.
研究发现，实验所制得的改性聚丙烯酰胺是一种低分子量、较高电荷密度的两性聚丙烯酰胺。
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