reference substance

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：以蘆丁為對照品，利用紫外分光光度法測定總黃酮的含量。
• 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，并對兩種分析方法進(jìn)行比較。
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