release rate in acid medium 酸介质中释放度
The results showed that the black maize pigment was soluble in straight polar solvents or in acid medium.
结果表明：黑玉米色素可溶于强极性溶剂或稀酸溶液中；
The ferrous oxalate with crystal water was prepared with ferrous ammonium sulfate and oxalic acid in acid medium.
采用硫酸亚铁铵和草酸溶液在酸性介质条件下合成含有结晶水的草酸亚铁。
A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.
依此，建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。
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