膜孔 的英文怎麼說

中文拼音 [mókǒng]
膜孔 英文
fenestrated membrane
  • 膜 : 名詞1. [生物學] （像薄皮的組織） membrane 2. （像膜的薄皮） film; thin coating
  1. Finally, by studying the heat transfer coefficient and the mechanism of mass transfer through the membrane pores, a complete mathematical model was proposed for the removal of voc from dilute aqueous solutions by vmd

    根據對傳熱系數和膜孔內傳質機理的研究，最後得到了真空膜蒸餾脫除水溶液中voc全過程的數學模型。
  2. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明，不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律，而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小，吹風比對換熱系數影響較大（特別是導葉） ，並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。
  3. Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios, sr ) are changing from 0. 30 to 0. 60 for each test model. so the influences of reynolds numbers, suction ratios and etc. on the discharge coefficients and pressure loss characterist ics are also presented. flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer

    對每一種通道結構，實驗在不同通道進口雷諾數（ re = 20000 、 40000 、 60000 、 80000 ）和不同通道總出流比（ sr = 0 . 30 、 0 . 45 、 0 . 60 ）下進行，以研究這兩個流動參數及其它相應變化的參數（氣膜孔的雷諾數re _ h 、氣膜孔與通道的動量比i等）對出流特性和流阻特性的影響規律。
  4. The cooling effectiveness of effusion cooling in the regions with holes and downstream the last row of holes on hot side is much higher than that of conventionary film cooling with the same operation conditions

    在熱側面上的氣膜孔區及其下游區，緻密多孔壁的冷卻效果都非常好，比同等條件下常規氣膜冷卻的效果好得多。
  5. To investigate the influence of porosity of holes array on cooling effectiveness of an effusion cooled plat plate, a numerical study of the distributions of cooling effectiveness on the hot side of an effusion cooled flat plate was carried out with four different porosities of holes array

    摘要為了獲得氣膜孔陣排列的疏密度對緻密多孔壁冷卻效果的影響規律，分別對四種疏密度排列下的平板熱側面上的冷卻效果進行了數值模擬研究。
  6. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。
  7. Study on reduction of membrane internal fouling in mbr

    中膜孔堵塞控制方法的研究
  8. From sem of the polymer, we can found that, the polymer containing no dbp made by solvent of nmp had more and large pores than solvent of dmac, so it had larger liquid uptake and higher ionic conductivity

    從sem測試圖上也可以看出，不含dbp時，溶劑為nmp條件下制備的聚合物膜孔徑比溶劑為dmac時大，孔隙多，吸液率大，離子電導率高。
  9. At the same time, when the thickness - diameter ratio was larger than 1, it has little influence on the discharge coefficient for the hole configuration, but when the thickness - diameter ratio was less than 1, the discharge coefficient of the hole with across arrangement is higher than that with sequence arrangement

    同時，在氣膜孔厚徑比大於1時，氣膜孔的排列形式對流量系數的影響不大，當厚徑比小於1時，叉排氣膜孔的流量系數要高於順排氣膜孔的流量系數。
  10. Characterization of molecular - recognition controlled - release from microcapsules through pores with linear - grafted poly nipam - co - bcam chains

    膜孔中有線形接枝鏈的微囊的分子識別型控制釋放特性研究
  11. The film hole extraction has the effect of increasing the static pressure, so the pressure loss characteristics of the passage with film hole extraction is obviously different in comparison with that without extraction ; 5

    氣膜孔出流對通道內的靜壓有明顯的提升作用，因此帶肋壁和氣膜孔出流通道的流阻特性與單純帶肋壁通道有明顯差別； 5
  12. The membrane layer is formed by the vacuum forming technology. by controlling the weight and the ratio of long path of ceramics fiber, changing the operation factor reasonably of vacuum forming, we can obtain the ceramic fiber composite membrane layer, which has pore diameters of about 5 to about 30um, porosity i s 50 - 80 %, and tensile strength is about 4. 1to 18. 1mpa and thickness of membrane layer is 0. 5 - 2 mm, has the good thermal shock resistance and peal off

    膜層採用真空抽濾成型工藝，通過控制膜組分中陶瓷纖維長徑比、纖維加入量、成型時料漿濃度、成型壓力及成型時間等可以獲得膜孔徑5 ? 30 m 、氣孔率50 ? 80 、抗折強度4 . 3 ? 18mpa 、膜層厚度0 . 5 ? 2mm 、具有良好熱性能和耐剝離性能的陶瓷纖維復合微濾膜材料。
  13. When there is no impingement, the investigation about flow extravasation effect form film cooling holes is carried out with different cross flow reynolds numbers and different density flow ratios of the film outflow to cross flow

    在無沖擊射流時，通過改變來流雷諾數、氣膜出流與橫流密流比，對氣膜孔的「溢流效應」進行了研究。
  14. With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed

    實例計算與方法驗證表明，該方法能夠簡單而有效地確定膜孔灌溉田面綜合糙率系數。
  15. Based on water flow movement characteristics in film hole irrigation, a zero - inertia model form surface water flow movement in film hole irrigation were presented in this paper

    根據膜孔灌溉田面水流運動特性，建立了膜孔灌溉田面水流運動零慣性量數學模型，並將其與優化理論相結合，提出了確定膜孔灌溉田面綜合糙率系數的優化模型。
  16. Abstract : based on water flow movement characteristics in film hole irrigation, a zero - inertia model form surface water flow movement in film hole irrigation were presented in this paper

    文摘:根據膜孔灌溉田面水流運動特性，建立了膜孔灌溉田面水流運動零慣性量數學模型，並將其與優化理論相結合，提出了確定膜孔灌溉田面綜合糙率系數的優化模型。
  17. The required porosities for various cases were obtained through varying the diameter of holes and spacing among the holes

    各物理模型通過改變氣膜孔徑大小和孔間距得到不同的孔陣排列疏密度。
  18. Research of infrared spectrum and dsc curve indicate that there is no chemical bond between fe3o4 and pvdf. fe3o4 particles exist in the form of metal oxide particles. however, there is some force between fe3o4 and fluorine atom

    紅外光譜和差示掃描量熱分析結果則表明， fe3o4與pvdf基膜間無化學鍵，是以純金屬氧化物晶粒存在於膜孔中和膜表面，但其與f原子間有一定的作用力。
  19. It is found in the experiments that film hole reynolds number and rib angle have great influence on film hole discharge coefficients

    實驗中發現氣膜孔雷諾數和肋角對流量系數有較大的影響。
  20. The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )

    聚丙烯酰胺基甲基丙磺酸為高分子電解質，接枝在膜表面后高分子鏈與溶質分子相互作用，可使接枝鏈構象發生變化，從而改變膜孔徑的大小，使膜具有環境響應。
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