The citrate method was adopted to prepare LiNbO3 ferroelectric film.

采用柠檬酸盐法制备铌酸锂铁电薄膜。

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Objective: to establish a detecting method for the bacterial endotoxin in the azithromycin citrate injection.

前言：目的：建立枸橼酸阿奇霉素注射液细菌内毒素的检测方法。

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The processing parameters were studied through experiments. Compareing with citrate method, PVA method is better because of low cost, short production cycle, maneuverability.

通过实验确定PVA法合成工艺条件，比较而言，PVA法比柠檬酸法具有成本低、生产周期短、可操作性强等优点。

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