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
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。
Chitosan is compatibility from the natural N-deacetylated derivative of chitin, and has perfect biocompatibility and antibacterial function with broad-spectrum.
壳聚糖是天然甲壳素经乙酰基反应后的可溶物，具有良好的生物相容性和防腐抑菌性。
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。
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