L Selected bactericide and additive which guarantee long life.
优选杀菌剂和添加剂，确保长期使用。
Objective To compare the contents of Flavonoids in different parts of Chrysanthemum indicum L…Methods Chrysanthemum indicum L. in Mengshan of Shandong Province was selected.
目的测定野菊花不同部位中总黄酮的含量。方法选用山东蒙山产野菊花，采用比色法进行测定。
From equilibria of HC1 extraction with several solvents, an amine mixture has been considered very effective and selected for detailed study by using feeds with and without L-cystine in solution.
从几种有效溶剂对盐酸的萃取平衡关系，选择叔胺进行详细试验研究，取得有关的萃取数据。
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