It was also found that the state of monolayer dispersion of zinc acetate on the surface of active carbon is destroyed in the discarded zine ace - tate-active carbon catalyst.

但即将废弃的醋酸锌-活性炭催化剂上，醋酸锌的单层分散情况受到破坏，出现了醋酸锌晶相峰。

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Tea polyphenol is the major physiological active component in tea, and it is generally manufactured by liquid-liquid extraction technology, using ethyl acetate as solvent from water extract of tea.

茶多酚是茶叶中主要生理活性物质，其制造方法一般采用液-液萃取工艺，以醋酸乙酯为溶剂，从茶汤中萃取出茶多酚。

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Among all components, the activities of Ethyl acetate and Acetone extracts were excellent marked by the active components highly concentrated.

其中乙酸乙酯组分和丙酮组分活性尤其突出，表明有高活性成分富集其中。

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