concentration tube 中文意思是什麼

concentration tube 解釋
濃縮管
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  1. One point of concentration is where the air tube and bronchus divides

    集中的一點是氣管和支氣管分叉的地方。
  2. Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow

    文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈，得到了不同的濃度分布圖形隨側向流與軸向流速比關系，揭示了內在有規律的獨特的濃度分佈結構
  3. The main products includes various steam and electric heating reaction vessel, conduction oil, outer coil reaction vessel, polyester and resin completed equipments, vacuum reducing concentration tank, methanol and ethanol recovery tower, various corrugated stuffing, high effective membrane evaporator, new - type centrifugal drag membrane evaporator, vacuum rake dryer, condensing drum cut - off machine, shell - and - tube condenser,

    本廠主要產品有各類蒸氣電加熱反應鍋，導熱油外盤管反應鍋，聚脂樹脂全套設備，真空減壓濃縮罐，甲醇乙醇回收塔，各類波紋填料，高效薄膜蒸發器，新型離心刮板式薄膜蒸發器，真空耙式乾燥機，冷凝滾筒切片機，列管式冷凝器，螺旋板式換熱器，外循環蒸發器，鋁制槽車貯罐，乳化設備，高速剪切分散機，種子罐，發酵罐，多功能提取罐，並承接各類非標設備。
  4. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  5. The study indicates that, the slippage effect is a combined result of gas molecule slip on capillary wall and gas molecular diffusion inside capillary tube, and also a result of combination of concentration and pressure fields

    研究認為，氣體滑脫效應是毛細管壁處氣體分子滑流和毛細管內部氣體分子擴散的綜合效應，是濃度場和壓力場作用疊加的結果。
  6. The influences of the inlet tube angle, backpressure and driving jet velocity on static pressure distribution in the gas - solid injector are calculated, and the effects of the inlet tube angle on particle bulk phase concentration and axial mean speed of particles in the gas - solid injector are analyzed firstly. the predicament caused by lack of measuring means on the particle velocity in experiments is solved

    分析了收縮角、背壓和氣體噴嘴出口速度對氣固噴射器內靜壓分佈的影響，以及收縮角對氣固噴射器內固體顆粒體積濃度場和顆粒平均速度的影響，解決了噴射器內固體顆粒速度試驗測試手段缺乏的困境。
  7. With the operation conditions, the adsorber, the evaporator, the condenser, the receiver and the throttle are disigned. the adsorber is of the most importance in the adsorption system, so we provide the non - dynamic equilibrium model of active carbon fibre ( acf ) - methanol adsorption refrigeration pair. the numerical simulation is carried out based on the recorded solar radiation data measured in nanjing and daily ambient temperature for the typical clear days. the temperature field, the pressure field, the methanol concentration and the temperature of evacuted tube, and water tube are caculated

    吸附床是吸附製冷系統的核心，本文以活性炭纖維?甲醇為工質對，建立了吸附床非動態平衡吸附傳熱傳質數學模型，以南京夏季典型一天中的輻射強度和環境溫度為條件，模擬計算了吸附床在通水冷卻和自然冷卻兩種狀態下，吸附床內各點壓力、溫度、吸附率、吸附總量及真空管和冷卻水管壁溫隨時間變化關系。
  8. Measurement and analyses of particle concentration distribution in pdc type of cyclone tube used in fcc unit

    型旋風管內顆粒濃度場的測試及分析
  9. O in the flow. the oh concentration was also measured using salicylic acid liquid phase scrubbing and high performance liquid chromatography hplc technique. the relationship between the calculated and measured oh concentrations was relatively uniform. the surface effect in the photolysis tube was studied using laser - induced fluorescence signal and was not of importance

    O濃度計算得到oh濃度，此計算濃度與利用水楊酸液相吸收-高效液相色譜法測得的oh濃度比較一致，同時用激光誘導熒光技術對可能存在的壁效應進行研究，結果表明在較高流速下其影響較小。
  10. 4 were calculated in curved tube with permeable arterial wall and effects of parameters, such as shear stress, mass flux of arterial wall, on mass transfer were studied. it was found that steady laminar flow become unsteady with the increase of de. the concentration in inner section of transverse section of the tube is higher than other areas, and with the increase of de and pe, the concentration there increase obviously. it indicates that for the permeable arterial wall, the macromolecules are likely to gather in the areas where axial velocity and shear stress are relatively low, thus indicates why location of atherosclerosis frequently occurs at inner side of curved tube

    4 ，在可滲透邊界條件下彎曲血管內的濃度場分佈，並分析了諸如壁面剪應力及跨壁流量等參數對傳質的影響。計算表明隨著dean數的增加，定常層流開始失穩。血管截面內側區是濃度分佈較高區域，並且隨著dean數和peclet數的增加，內側區濃度明顯增大。
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