Brownian motion
布朗运动

Irregular motion of small particles suspended in a liquid medium that occurs due to their bombardment by molecules of the medium.
悬浮在液体介质中的小颗粒由于受到介质分子的撞击而产生的不规则运动。

Colloidal Systems
胶体系统

A homogeneous mixture of substances, one of which (the dispersed phase or colloid) is uniformly distributed in an extremely finely divided state through the other (the continuous phase or dispersing medium)
两种物质的均匀混合体，其中一种物质被分隔成细粒状态(分散相或胶体粒子)均匀地分布在另一种物质(连续相或分散介质)中。

Emulsification Process
乳化过程

The process of making an emulsion
乳液的制作过程

HLB

Hydrophile-Lipophile Balance.
亲水亲脂平衡。

Interfacial Tension
界面张力

The adhesive force acting in a mixture of substances (phases) that occurs at their surfaces (interfaces) and holds the surface of a particular phase together.
作用于物质（相）的混合物中的粘附力， 发生在其表面 (界面) 上, 并将特定相的表面固定在一起。

Isotropic
各向同性的

Having equal physical properties along all axes.
在所有轴上具有相同的物理性质。

MDS

Mean Droplet Size.
平均液滴尺寸。

Shear forces
剪切力

Unaligned forces pushing one part of a body in one direction and another part of the body in the opposite direction.
向相反的横向外力作用下，材料的横截面沿该外力作用方向发生的相对错动变形现象。