degree of deacetylationdiˈɡri:ɔvdiəˌsitiˈleiʃən短语¹⁴⁴⁹⁷²⁺² 基本例句 脱乙酰度 The degree of deacetylation of chitosan was determined directly by1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamineACGLSM as standard. 以盐酸为溶剂, N乙酰基 D葡萄糖胺为标准品,用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。 cnki