The proper coupling agent is chosen.

对偶联剂作了择优挑选；

The functions and common varieties of coupling agent are introduced.

介绍了偶联剂的作用和常用品种。

The coupling agent may protect the interface against stress corrosion by water.

偶联剂可保护界面免受水的应力侵蚀。

The influences of adding coupling agent and its action mechanism were described.

文中讨论了偶联剂的使用对复合材料的影响及其作用机理。

New silane coupling agent can obviously improve the wetting of porcelain surface.

试制陶瓷偶联剂可以明显改善瓷表面的润湿性。