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lxtang金蟲(chóng) (正式寫(xiě)手)
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[求助]
與溶劑萃取有關(guān)的一段話求翻譯
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| 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. |
榮譽(yù)版主 (知名作家)
全球通,能否?!
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質(zhì)量轉(zhuǎn)移過(guò)程中進(jìn)出液滴或液滴群時(shí)所產(chǎn)生的影響也必須加以考慮。然而球狀的非常小的液滴,常通過(guò)分子擴(kuò)散作用控制質(zhì)量轉(zhuǎn)移過(guò)程,(所以)液滴內(nèi)部的流動(dòng)會(huì)先增大其直徑。對(duì)于本質(zhì)上混合均勻的大液滴,分子擴(kuò)散作用不是其主導(dǎo)的分散方式。表面活性成分如離子交換D2EHPA會(huì)影響液滴的內(nèi)部流動(dòng),從而影響質(zhì)量轉(zhuǎn)換過(guò)程。 供LZ參考。 |

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