biotical

Conclusion Medical Chitosan to be used for prevent postoperative adhesion before closed up the incision was effective and it was ideal biotical material for prevent postoperative adhesion.

预防肠粘连发生几丁糖是一种理想生物材料，值得推广应用。【关键词】几丁糖；妇科手术；

Apart from its good surface activity,high quantity of Hexadecane and burning property,the biotical surface active agent also has a more extensive source,higher economic and market effects.

表面活性剂除了具备优良表面活性、较高十六烷值燃烧性能外,其来源更为广泛,经济性能、市场性能也更好,同时表面活性剂还是一种清洁、环保生物能源,具有优良可再生性性;