The acidic pH interacts with the hair's slightly negative charge to help the cuticle, the outer layer of the hair, maintain a smooth, flat surface.
酸性PH值和头发上的微量的负电荷相互作用，以此来帮助毛小皮，即头发表面的一层，保持表面光滑平整。
Due to high crystal degree and negative surface charge of ramie fiber, the dyeing process of ramie is very difficult.
由于结晶度、表面电荷等多方面的原因，苎麻纤维染色较为困难。
The use of the additives can increase the battery cycle life, charge acceptance, surface area of negative active mass and stabilization of its structure.
使用负极板添加剂可以增加蓄电池寿命，提高充电接受能力，增大负极活性物质表面积并稳定其结构。
In the studied samples, iron and aluminium oxide were pH-dependent positive charge surface, silica was pH-dependent negative charge surface.
在所研究的样本中，氧化铁和氧化铝是带可变正电荷的亚表面，而氧化硅是带可变负电荷的亚表面。
Positivly charged material carries stronger positive charge on its surface and has a stronger affinity for bacterium, virus and bacterial endotoxin which cany negative charge.
正电性荷电材料表面带有较强的正电荷，对负电性的细菌、病毒和细菌内毒素有较强的亲和作用。
The experimental results show that mineral surface is possessed of negative or positive charge at dynamic temperature condition.
在动态温度条件下矿物表面带有正负电荷。
The result shows that the nano-particle surface charge is negative and its diameter distribution is more wide in brush plating solution.
实验结果表明纳米颗粒在镀液中荷负电，其粒径分布较广；
As same as the conclusion of literature, the protein component in EPS could improve the negative surface charge of sludge flocs.
EPS总量高的污泥脱水性能差，EPS中蛋白质含量高的污泥其表面电荷也较高。
As same as the conclusion of literature, the protein component in EPS could improve the negative surface charge of sludge flocs.
EPS总量高的污泥脱水性能差，EPS中蛋白质含量高的污泥其表面电荷也较高。
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