flow column 中文意思是什麼

flow column 解釋
油管柱
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • column : n 1 【建築】圓柱;圓柱狀物〈如煙柱〉。2 【軍事】縱隊 (opp line); 隊;(艦隊的)縱陣,縱列,艦列...
  1. The siphon is broken and the column flow ceases.

    虹吸中斷,柱的液流停止。
  2. The effect of air distributor on the flow fields was studied with emphasis. the working conditions of the bubble column simulated in the numerical study were as same as in the experiments. the velocity profile at axial direction showed a peek in the center, and a backward flow near the wall when usl / usg < 19. 6

    鼓泡塔內軸向液相速度的徑向分佈呈塔中心峰值、壁面附近倒流形式,且與氣相折算速度大小有關,當液相折算速度一定時,隨氣相折算速度增大而愈加陡峭,返混也劇烈。
  3. In this paper, research on the use of activated alumina and bone char was dong on both batch reactor and continuous - flow column

    為了探索合理的除氟方法和工藝,本論文對活性氧化鋁和骨炭除氟性能進行了系統的研究。
  4. Adsorption isotherm of activated alumina and bone char can be described by langmuir adsorption isotherm in the form qe = 0. 72cy ( l + 0. 074ce ) and freundlich isotherm in the form qe = 0. 88ce1 / 1. ' 94 respectively. continuous - flow column experiments show there have higher removal capacity for activated alumina and bone char when empty - bed contact time was controlled within 12 ~ 15min and about 15min separately

    對可利用吸附容量和實際利用吸附容量的理論分析說明,連續處理活性氧化鋁停留時間控制在12 15min較好,此時吸附容量利用率較高,約為80 ,骨炭停留時間控制在15min較好,吸附容量利用率約為75 。
  5. The test was made on the compound tray, dual flow tray, sieve tray and valve tray for mass transfer efficiency with in - diameter 300 mm column using ethanoi and water system

    在直徑300mm的精餾塔內,以乙醇-水為介質,進行了復合塔板、穿流篩板、篩板和浮閥塔板的傳質效率的研究。
  6. According to a series of experimental data, the effect of following factors on the temperature in the ultra - low temperature box and cop are analyzed : the mixture composition, the pressure ratio and the return fluid extraction ratio of the rectifying column, the refrigeration capacity and the flow rate through throttle valve

    並根據一系列實驗結果,分析了工質配比、循環壓比及精餾柱迴流液的抽取率、加熱量和節流元件對低溫箱內溫度和系統cop的影響,為今後的進一步研究指明了方向。
  7. The result on research is as fellow : ( 1 ) the way to rebuild gas channels in combustion chamber of pb column has been researched in order to decrease the flow resistance. the aim, which is less resistance than that at present construction, has been gained

    本論文首次通過系統狽賦,藉助伍顫桔葫榨釀斕閣塔的燃腕室翩翱劃稚殲涸浙,對鋅睬蟎辨轉以孰艙澆室內煤氣道、煙氣道的緯淋撾矯孔劃b研究。
  8. The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam

    在200mmx300nun的有機玻璃方塔內,以空氣水為介質,採用ccd拍攝技術和塔內氣液兩相流計算辨識技術,測定了開孔率為20的復合塔板上泡沫層的氣液接觸比表面積,並建立了關聯式。
  9. - acetolactate decarboxylase is purifed from cell extract by 50 % - 80 % ammonium sulfate - fractionation, 50, 2min heat treatment and deae - sepharose fast flow column chromatography, which we study the different ph and different buffer of deae - sepharose fast flow column chromatography and conclude ph 6

    對其酶學性質進行了研究。 -乙酰乳酸脫羧酶經50 80硫酸銨分級沉澱、 50 , 2min熱處理、 deae - sepharosefastflow離子交換柱層析方法分離純化。
  10. - acetolactate decarboxylase are widely found among bacterial strains but not in other groups of organisms. the enzyme has been demonstrated to be effective for removal of acetolactate and widely used in beer product. in this paper, - acetolactate decarboxylase from bacillus subtilis was purifed to homogeneity from cell extract by ammonium sulfate - fractionation, heat treatment, deae - sepharose fast flow column chromatography

    本文對來源於枯草芽孢桿菌( bacillussubtilis ) 3226 - 5的-乙酰乳酸脫羧酶經硫酸銨分級沉澱、熱處理、 deae - sepharosefastflow離子交換柱層析等分離純化步驟,得到sds - paeg電泳純,通過n末端氨基酸序列分析驗證酶蛋白的純度。
  11. Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system

    各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外,其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。
  12. In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction

    在研究過程中,採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙系統進行了綜合診斷,具體結果包括如下: ( 1 )完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試,結果發現:鉛塔燃燒室內水平方向的煙氣溫度並非均勻,而且其溫差比上下方向的溫差更大,以及鉛塔燃燒室尾部存在co未燃燼問題; ( 2 )為了保證鉛塔煙氣系統的正常工作,對煙道系統的阻力進行了理論計算及測試分析,結果發現:鋅精餾鉛塔煙氣系統中煙囪抽力不夠,這主要是煙道結構不合理所造成的。
  13. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究,並得出本分離系統所確定的最佳工藝參數為: ph5 . 0 6 . 0 ,氣體流量100ml min ,液位高度20cm ,最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定,此時(濃縮比)可達20以上;同時還從理論上推算出泡沫吸附分離銅的最佳ph值范圍為5 . 0左右。
  14. Continuous - flow column studies were performed to evaluated fluoride removal characteristics, regeneration procedures and extent of deterioration of the adsorbents

    研究了吸附等溫線的形式和飽和吸附容量,明確了連續處理的控制條件、再生水平和時間。
  15. A part of the acetylene from the generator will be led into gas holder ( v103 ), and the other part will pass through the cooling & washing column and then flow into purifier ( t102 )

    從發生器出來的乙炔氣一路去貯氣櫃( v103 ) ,另一路經冷卻洗滌塔洗滌后進入凈化器( t102 ) 。
  16. Research on water hammer with gas in pressure conduit system through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done

    3 、輸水管道系統中含氣水錘研究通過物理試驗,對有壓輸水管道系統中的氣體釋放與液柱分離進行了研究,觀察其流態、測試液柱分離發生的條件及斷流彌合水錘壓力,研究了含氣量、流速等參數對液柱分離的影響。
  17. Simulations of 2d and two - phase flow in a bubble column and an internal airlift loop reactor

    鼓泡塔與氣流內循環式反應器內兩相流模擬
  18. Column reactors are important facility in which the mass and heat transfer happens. since bubbly flow is a basic flow pattern of gas - liquid two - phase flow in the column, thorough study on bubbly flow is of great scientific significance and important value for practical industry application

    鼓泡塔反應器是重要的傳熱傳質設備,鼓泡塔泡狀流是氣液兩相流的一種基本流型,對泡狀流進行廣泛而深入的研究具有重要的科研價值和工業應用背景。
  19. Combining the unstable heat conduction in crystal layer with heat transfer of undeveloped slug flow in a vertical tube, a time - progression model of crystal layer growth in the bubble column crystallizer pipe is proposed, the calculation results from the numerical method agree well with the experimental data. under certain operating conditions, the periodical arrival of gas plugs can cause crystallization and partial re - melting occur in the crystal - melt interface

    結合未充分發展彈狀流的傳遞特徵和晶層內不穩定導熱,提出了鼓泡塔結晶器管內晶層生長的時間級聯模型,與實驗值吻合良好.特定操作條件下,隨彈狀泡的到來和離去,結晶界面可發生結晶-部分重熔
  20. The present paper firstly gives a review about the developments and researching status of gas - liquid two - phase flow. the complexity and difficulties in gas - liquid two - phase flow are discussed. based on this, the dissertation presents theoretical and experimental investigations on adiabatic gas - liquid two - phase turbulent flow in a bubble column

    本文綜述了國內外對鼓泡塔氣液兩相流的研究現狀,通過分析指出氣液兩相流問題的復雜性及其模化尚存在的問題,從理論和實驗兩個方面對鼓泡塔內氣液兩相湍流進行了研究。
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