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lxtang

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[求助] 与溶剂萃取有关的一段话求翻译

Effects found during the mass transfer into or out of droplets and droplet swarms also have to be considered. Whereas very small drops behave as rigid spheres with molecular diffusion controlling the mass transfer, circulation within the drop starts with rising drop diameter. For internally well-mixed large drops, molecular diffusion is not of any importance for the dispersed phase. Surface active components like the ion exchanger D2EHPA have an influence on the internal circulation of the droplets and thus on the mass transfer.
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求知者001

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sltmac: 金币+1 2012-08-26 08:10:37
lxtang: 金币+10, 翻译EPI+1, ★有帮助, 4 2012-08-29 11:27:50
质量转移过程中进出液滴或液滴群时所产生的影响也必须加以考虑。然而球状的非常小的液滴,常通过分子扩散作用控制质量转移过程,(所以)液滴内部的流动会先增大其直径。对于本质上混合均匀的大液滴,分子扩散作用不是其主导的分散方式。表面活性成分如离子交换D2EHPA会影响液滴的内部流动,从而影响质量转换过程。
供LZ参考。
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2楼2012-08-25 22:52:42
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