Accumulated charge on dust layer
charge distribution in a group
density of surface charge
electric charge distribution
Negative surface charge
Positive surface charge
prorated emission charge on air pollutants
surface charge
表面电荷
面电荷
表面带电
电荷表面
电荷表面密度
表面电性
壁电荷
荷电
电荷
surface charge accumulation
Surface charge characteristics
Surface charge densities
surface charge measurement
Surface charge properties
Variability of surface charge