distillation time 中文意思是什麼

distillation time 解釋
蒸餾時間
  • distillation : n. 1. 蒸餾（作用）；蒸餾法。2. 蒸餾液；蒸餾物。3. 精華，精萃。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant

    其次，本文以荷蘭buggenum電站的空分系統為原型，基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型，並通過模擬，得出了一些有價值的結論：當空分系統的壓力變化時，氧氣產品濃度的響應時間常數為兩小時左右，說明空分系統是igcc電站最大延遲環節；而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內，但在過渡過程中會超出限制，這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。
  2. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗，對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化，並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數；此膠體經過過濾、 80下烘乾后所得樣品，在掃描電鏡下直接觀察其粒徑為50nm ，且分佈范圍窄，顆粒的表面清潔，為球形。
  3. Secondly, for the first time, by volume average concept and reynolds time - average method, a 3d quasi - single phase mass transfer model of distillation tray is deduced by considering the effects of velocity fluctuation, concentration fluctuation and volume fraction of gas and liquid on mass transfer. a source item sc for interphase mass transfer is considered. by applying conventional method of estimating the interphase mass transfer coefficient, a formula for sc is obtained

    其次，採用體平均概念、雷諾時均化方法結合塔板氣液相互作用的實際情況首次推導了考慮速度、濃度脈動項和氣、液相含率影響的塔板三維擬單相流湍流傳質模型，源相中考慮了氣液相間傳質項sc ，並運用化工中關于相間傳質系數計算的理論，推導了sc的表達式。
  4. Experimental results showed that the mixed solvents at the bottom and the product at the top of the column can be removed simultaneously for a long period of time in the middle - vessel batch distillation, and thus it requires a much smaller reboiler compared with a regular column

    實驗結果表明，帶有中間貯罐的間歇萃取精餾過程在很長一段時間內具有塔頂采出產品，同時具有在塔底采出混和溶劑的特點，因而與常規間歇萃取精餾過程相比，帶有中間貯罐塔時間精餾技術需要的再沸器體積大大減小。
  5. The finite volume method and the star - cd software are used to compute the fluid flow process and mass transfer process of one tray and for the first time of the whole distillation column ( 10 trays ) under the total reflux. the computed results are as follows : 1. since the previous research did not show the comparison between the computational results and the measured values of 3d fluid field on a distillation tray, attention is paid to present work in this paper

    本文採用有限體積法及計算流體力學軟體「 star - cd 」對單塊板以及首次對全迴流下的全塔（十塊板）流體流動、傳質過程進行了計算，計算結果如下： 1 .泡沫工況下單塊板的流場計算值與solari及bell （ 77 （的實測值吻合較好。
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