n th derivative 阶导数
n-th derivative n阶导数
n-ple derivative n重导数
n-order derivative n阶导数
N-hydrazide derivative 酰肼衍生物
N-Galactosylated chitosan derivative 半乳糖酰化壳聚糖衍生物
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) 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。
It defines n-ple derivative, n-ary absolutely continuous function, generalized n-ple primitive function and Newton n-ple integral.
定义了n重导数，n元绝对连续函数，广义n重原函数及牛顿n重积分。
Objective: To synthesize desloratadine and its N-formyl derivative.
前言：目的：合成地洛他定和n甲酰基地洛他定原料。
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