The essence of deacetylation reaction of chitin was the hydrolysis of N-alkyl ethanamide.

摘要甲壳质脱乙化反应其本质N-乙胺水解。

Alkalimetry is standard method of determining degree of deacetylation of chitosan generally applied in aquaculture and other industry.

摘要碱量法水产行业测定壳聚糖脱乙标准方法，应用广泛。

The acetylation and deacetylation of histone is charged by a pair of protea se with antistatic function on each other,which are histone transacetylase and histone deacetylase.

组蛋白乙化和去乙化由一对功能相互拮抗蛋白酶——组蛋白乙转移酶和组蛋白去乙化酶负责。