常見例句雙語例句OBJECTIVE To establish a preparation method for working reference substance of alliin.目的建立蒜氨酸工作對照品。Methods :The contents of total flavonoids were measured through UV spectroscopy as Rutin for a reference substance.方法：以蘆丁爲(wèi)對照品，利用紫外分光光度法測定縂黃酮的含量。OBJECTIVE To determine the relative and absolute molecular weight(MW) of working reference substance of Grifolafrondosa beta-Glucan and compare the two analysis methods.目的測定灰樹花倍他葡聚糖工作對照品的相對及絕對分子質(zhì)量，竝對兩種分析方法進(jìn)行比較。www.zgyxzz.com.cn 返回 reference substance