• The results showed that all the water, alcohol, methanol, 50% methanol, n-hexane and acetic ester extracts have antioxidation on lard and peanut oil.

    实验表明,山稔子水、无水乙醇、甲醇、50%甲醇、正己烷和乙酸乙酯的提取物对猪油和花生油均具有抗氧化作用,而且其抗氧化作用的强弱与溶剂的极性直接相关。

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  • Degradability of the isolates on acetic ester compounds was proved according to the increase of biomass and the decrease of substrates in liquid cultures.

    该菌对醋酸酯类化合物的降解性是通过在液体培养基内菌体的增加及底物的减少来证实的。

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  • It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.

    GC分析结果表明:采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。

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  • Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.

    系统研究了以TBP为萃取剂,乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂,从高酸度盐酸溶液中萃取镓。

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  • Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.

    系统研究了以TBP为萃取剂,乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂,从高酸度盐酸溶液中萃取镓。

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