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Solvent extraction method was used to extract total flavonoids from toona sinensis leaves.
研究了溶剂法提取香椿叶总黄酮的工艺条件.
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The research advance of purifying wet process phosphoric acid with solvent extraction method was introduced.
介绍了溶剂萃取净化湿法磷酸的研究进展情况.
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。