Citric acid, sugars, amino acids and alcohol can also promote iron absorption.
柠檬酸，糖类，氨基酸及酒精也能促进铁的吸收。
Ingredients eau, cetyl alcohol, hydrolyzed keratin, hydrolyzed wheat protein, parfum, citric acid.
成份：去离子水，鲸蜡醇，橄榄油，水解角蛋白，水解小麦蛋白，香精，凯松，柠檬酸。
Different volume fractions of propolis extracted with alcohol and citric acid were used to make solution for queen larvae preservation test.
采用不同体积分数的蜂胶乙醇提取物和柠檬酸配制成保鲜液，进行蜂王幼虫保鲜试验。
The tri-n-butyl citrate was synthesized by esterification of citric acid with butyl alcohol in the catalysis of sodium bisulfate.
在一水硫酸氢钠催化下由柠檬酸和正丁醇合成了柠檬酸正丁酯。
The results show that better extraction effect can be got by using 0.5-1 % citric acid solution for extraction solution and 95 % alcohol for elution solution at normal room temperature.
结果表明：在常温下以0.5~1%的柠檬酸为提取剂，95%的乙醇为洗脱剂，能达到很好的提取效果。
The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper.
以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯，确定了酯化优化条件。
The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper.
以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯，确定了酯化优化条件。
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