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h01291

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[求助] 求助段落翻译 + 化学

Solvent type has a very significant effect on both extraction rate and the final yield of total isoflavones.50% ethanol aqueous solution and water call achieve a much better performance than 95% ethanol aqueous solution and n-butanol.The increase is observed on the extraction rate and the yield of total isoflavones for all the solvents when ultrasound is applied.The higher the electrical power input in the range of 0一650W,the higher the extraction yield.Moreover,a mathematical model of ultrasonically assisted extraction,accounting for different extraction solvents and the electrical power input,is established.The coresponding model parameters are obtained to quantify the mass transfer enhancement by ultrasound.The results show that the model can satisfactorily describe the behavior of ultrasonically assisted extraction of isoflavones from the stem of Pueraria lobata(Willd.)Ohwi.

其中 Pueraria lobata(Willd.)Ohwi 为葛藤异黄酮
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肚而家

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h01291: 金币+30, 翻译EPI+1, ★★★★★最佳答案 2015-04-18 13:32:32
溶剂类型对于总异黄酮的提取速率和最终产率具有非常重大的影响。 50% 乙醇水溶液和水比95% 乙醇水溶液和正丁醇表现出更好的性能。当使用超声作为辅助时,我们观察到所有溶剂的提取速率和总异黄酮的产率都有所增加。 在0一650W之间,电功率越高相应的浸取收益率就越高。 此外,根据不同的浸取溶剂和输入电功率,我们建立了一个超声波辅助浸取的数学模型。我们使用这些共同模型参数来量化使用超声时的传质增量。 结果表明,该模型可以令人满意地描述从葛藤中超声波辅助浸取异黄酮的表现。

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2楼2015-04-18 10:30:59
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