The microbial and oxidative degradations of PVA were studied using the permeation chromatography ( GPC ) and UV - spectrophotometer.

采用凝胶色谱法 ( GPC ) 和紫外分光光度法(UV)研究了聚乙烯醇(PVA)微生物降解和化学氧化降解效果.

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Objective TO examine the content of amikacin sulfate in injection aprocedure was developed by using UV - spectrophotometer.

目的采用紫外分光光度计测定硫酸阿米卡星在注射液中的含量.

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