diffusion

A plastic membrane serves as selective diffusion barrier.

一层塑料薄膜起着选择性渗透屏障的作用.

There are data on the rates of diffusion of molecules.

有关于分子扩散速度的数据。

Clouds cause the diffusion of light from the sun.

云使阳光漫射.

For some viruses the encounter with a surface is probable diffusion-limited.

有些病毒与表面接触可能受到扩散的限制.

The diffusion process seems to be accelerating.

传播过程看来正在加速.

This regime is termed mass transport or diffusion limited.

这种方式被称作质量输送或扩散控制.

Certain fishes have a swim bladder which aids in diffusion of gases.

有些鱼有鳔,它有助于散布气体.

Molecular diffusion also occurs in liquids and solids.

分子扩散同样也会在液体和固体中发生。

The effect of the diffusion capacitance can be troublesome.

扩散电容会引起麻烦.

( It is the question once again of polygenesis versus diffusion from a single origin. )

( 再次涉及到不同的游戏发展自同一源头的问题. )

The invention of the printing press announced the diffusion of knowledge.

印刷术的发明预示着知识的传播.

The invention of printing helped the diffusion of learning.

印刷术的发明有助于知识的传播.

Nevertheless, temperature has a very significant effect on the rate of diffusion.

但是温度对扩散速度却有非常大的影响.

This phenomenon , peculiar to the two-dimensional wave motion, is sometimes called diffusion.

二维波所特有的这种现象, 有时叫做弥散现象.

Traditional systems have used oil diffusion pumps.

常规的系统使用油扩散泵.