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littlecap8銀蟲 (小有名氣)
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[求助]
請蟲友幫助翻譯一句英文,謝謝啊~
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Our observations show a facilitation of the growth of primary trunks or lateral branches, suppression of side branching, dendrite remelting and fragmentation. The manifestation of all phenomena depends on the dendrite orientation, local direction and intensity of the flow. The forced flow eliminates the solutal plumes and damps the local fluctuations of solute concentration. It provokes a preferential growth of the secondary arms at the upstream side of the primary dendrite arms, whereas the high solute concentration at the downstream side of the dendrites can inhibit the formation of secondary branches completely. Moreover, the flow changes the inclination angle of the dendrites and the angle between primary trunks and secondary arms. 這篇文章講的是自然和強(qiáng)迫對流對Ga-In合金枝晶凝固的影響。為了方便蟲友看,我給出了部分前后文。只需要理解劃線部分的一個(gè)句子就可以了,其中劃線句子中的solutal plumes很是理解不了。 |
至尊木蟲 (著名寫手)

木蟲 (正式寫手)
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“The forced flow eliminates the solutal plumes and damps the local fluctuations of solute concentration.” 我也是金屬凝固方向,首先這里的solutal我們看詞根solu就知道是與溶解有關(guān)的,Chaos. 1997 Mar;7(1):107-124. Plume dynamics in quasi-2D turbulent convection.Bizon C1等人這篇文章中主要講了這個(gè)現(xiàn)象,流體力學(xué)中稱為羽流,文章摘要中有這樣一句話:Time sequences of the full concentration fields from experiment and simulation display a large number of solutal plumes that are born in thin concentration boundary layers, merge to form vertical channels, and sometimes split at their tips via a Rayleigh-Taylor instability. 文章摘要中有這樣一句話:就是說溶質(zhì)羽流容易在薄的溶質(zhì)富集邊界層中產(chǎn)生。 所以這句話可以這樣翻譯,僅供參考: 強(qiáng)制對流消除了溶質(zhì)羽流,且抑制了該區(qū)域溶質(zhì)富集的波動(dòng)。 |

木蟲 (正式寫手)
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