This article expounds the present situation, the basic theory, the technique process and application of solgel technology.

介绍了超临界二氧化碳萃取技术的基本原理和特点，综述了该技术在香料、医药、食品等工业中的应用。

Solgel process was specially suitable for preparing the functional ceramic fibers which was very difficult or even could not be obtained by the conventional melting method.

溶胶凝胶工艺尤其适合制作传统的熔融法不能或不易获得的功能陶瓷纤维。