surface density of charge meaning in English

电荷表面密度
电荷面密度

Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge
采用摩擦起电电压法和电荷面密度法，对其进行了抗静电性能测试。
Experimental results indicated that surface density of charge of the acrylic fabrics contained 7 . 68 % of the stainless steel filament decreased by 96 . 11 % as compared with the pure acrylic fabric
与纯腈纶织物相比，加说7 . 68 %不锈钢长丝的腈纶织物的电荷面密度降低96 . 11 % 。