Said crystallite is prepared through dissolvant crystallization, and said dissolvant is non - toxic acetic ester.

该微晶采用溶剂结晶方法制备, 只需无毒的乙酸乙酯一种溶剂即可.

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To indicate the feasibility of acetic ester carboxylation process in China based on making process comparison.

通过对各种生产工艺的对比,提出了醋酸甲酯羰基化工艺在我国的可行性.

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By using acetic ester as solvent, Tea Polyphenols and Catechin are separated from green tea.

应用乙酸乙酯作溶媒,从绿茶提取液中萃取茶多酚 、 儿茶素.

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