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reference substance短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 参照物,标准物 OBJECTIVE To determine the relative and absolute molecular weightMW of working reference substance of Grifolafrondosa beta-Glucan and compare the two analysis methods. 目的测定灰树花倍他葡聚糖工作对照品的相对及绝对分子质量,并对两种分析方法进行比较。 www.zgyxzz.com.cn Objective: To establish the preparation method of levodopa analog abbreviate: LDA reference substance by AKTA Explorer 100 Preparative Chromatography System; 目的:建立制备色谱层析系统制备左旋多巴类似物简称: LDA对照品的方法; fabiao Objective:To synthesize the impurity of pantoprazole as a reference substance. 目的:合成泮托拉唑合成中产生的杂质。 kns50.chkd.cnki.net |