membrane flux 中文意思是什麼

membrane flux 解釋
膜的透過性
  • membrane : n. 1. 【解、生】(薄)膜,隔膜。2. 〈古語〉(古文件的)(一頁)羊皮紙。-braneous , -branous adj. 膜(狀)的,膜質的;隔膜的。
  • flux : n 1 流,流出;流動。2 漲潮。3 不斷的變動,波動。4 【物理學】流量,通量,電通量,磁通量。5 熔解,...
  1. Meanwhile, the pervaporation of pvb membrane containing etherified p - cd and ca membrane containing etherified p - cd were measured respectively, obtaining a permeation flux greater than other membranes with p - cd

    同時,測試了醚化- cd與聚乙烯醇縮丁醛( pvb )共混膜,醚化- cd與ca共混膜的滲透汽化性能,獲得了比較理想的滲透通量。
  2. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。
  3. It set up the development of the world recognized high performance nanofiltration composite membrane of aromatic polyamide, on the basis of reviewing the development, the importance in the membrane separation technology, the classification, the fabrication technique and the current development of the research and the application of the nanofiltration membrane. polysulfone was chosen as the material for making the porous substrate because of its excellent compress - to - denseness resistance, its cheap price and its great availability. by fabricating an ultra thin polyamide functional layer on the polysulfone substrate through interfacial polymerization taking piperazine as the monomer in aqueous phase and trimesoyl chloride as the monomer in organic phase, high performance nanofiltration composite membranes of ultra low pressure and ultra high permeating flux were prepared

    選擇耐壓密性能優良,價廉易得的聚碸材料為制備復合膜基膜材料,哌嗪為水相單體,均苯三甲酰氯為有機相單體,通過界面聚合反應在基膜表面形成超薄功能層,制備了超低壓高通量聚哌嗪均苯三甲酰胺聚碸納濾復合膜,以0 . 1 mgso _ 4溶液為測試液,所得高脫鹽平板復合膜( )在0 . 4mpa下,脫鹽率為96 . 1 ,通量達85 . 2l
  4. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜(單浴法)在血液過濾實際應用中的性能,本論文以j . a . van ' thof等提出的雙凝固浴法為基礎,以聚醚碸( pes )為主要成膜材料,以二甲基亞碸為溶劑,並添加一定分子量的致孔劑( pvp ,聚乙烯吡咯烷酮)以及一定分子量的添加劑( peg ,聚乙二醇)按照一定配比在一定溫度下製成透明均一的鑄膜液,靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜,然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。
  5. The experimental results showed that the transfer rate of bilirubin was obviously enhanced after fixing albumin into the high - flux asymmetric membrane. the clearance of bilirubin was 43. 6 %, while blank membrane was only 3. 4 %

    以20小時計,促進傳遞膜對結合膽紅素的清除率為43 . 6 % ,而相應空白膜僅為3 . 4 % 。
  6. The main aim in facilitated transport research is to develop selectivity permeable, high - flux membranes with long - term durability, a major impediment to the industrial exploitation of this technology is the problem of membrane unstability

    促進傳遞液膜研究的主要目的之一是開發穩定的選擇滲透性高的膜。一般,缺乏膜的穩定性是液膜的共性問題,為改進膜的這一性能已進行了大量的研究工作。
  7. In the trials of high concentration food wastewater treatment conducted by an anaerobic membrane bioreactor, the flux decline rule of four polyethersulphone ( pes ) uhrafiltration ( uf ) membranes with different surface morphology was investigated with atomic force microscopy

    摘要在厭氧膜生物反應器處理高濃度食品廢水的試驗中,藉助原子力顯微鏡分析了四種表面形貌不同的聚醚碸超濾膜的通量衰減規律。
  8. Aluminum coagulation pretreatment enhances the uf removal of ha and greatly ameliorates the effect of ha on the membrane flux decline. at ph = 7. 0 the mechanism is adsorption of ha on the amorphous solid - phase al ( oh ) _ 3 ( s ), while at ph = 5. 0 the mechanism is charge - neutralization. in terms of the removal of ha ( toc, uv _ ( 254 ) ) and the membrane flux decline, the effect of coagulation under ph = 7. 0 condition turns out to be much better than that under the condition of ph = 5. 0

    Ph = 7 . 0條件下的混凝預處理機理主要是鋁鹽高分子水解產物對腐植酸的吸附網捕作用, ph = 5 . 0時的機理主要是帶正電荷低分子鋁鹽水解產物吸附電中和作用,從toc和uv254的去除率以及膜滲透通量的變化情況來看, ph = 7 . 0條件下的混凝預處理優于ph = 5 . 0 。
  9. Effects of enzymatic treatment on components of tea extracts and membrane flux

    酶處理對綠茶浸提液成分及膜過濾通量影響的研究
  10. Testing methods for solute rejection and water flux of reverse osmosis membrane element and module using aqueous solution of various solutes

    用不同溶解物的水溶液測試反滲透薄膜元件和組件的溶解物排斥和水溶劑的試驗方法
  11. But for real microfiltration, the distribution of shear stress on the membrane of the module with outside helical flow would have benefit to make smaller number of particles deposit on the membrane. ( 2 ) by means of orthogonal test and regression method, four new models, trans - membrane pressure model, flux model, trans - module pressure drop model, and efficiency model, were established, which roundly describe the performance of outside helical mf by depicting the flux, energy loss, and handling capacity simultaneously

    ( 2 )採用正交回歸實驗,在無顆粒沉積的理想情況下,建立基於層流數值解的膜器跨膜壓力損失模型、過濾通量模型、過膜器的壓力損失模型和膜器過濾效率模型,首次從通量、能量損失及膜器對料液的處理能力等三個方面,更全面地對外旋流方式下的微濾過程進行了描述。
  12. Abstract : concentration polarization and fouling of membrane are the key problen which has effected in widening use of microfiltration. based on understanding on the flux decline and lateral migration deposition of porticles in tubular membrane, some analysis on effect factors of enhancement of microfiltration within tubular membrane with rotation flow is introduced, in this paper

    文摘:濃差極化和膜污染是阻礙微濾廣泛應用的關鍵難題,在認識理解顆粒遷移沉積和過濾速率下降的基礎上,本文對旋轉流管式膜微濾進行了一定的探討分析。
  13. We build a computing temperature model of membrane water wall and educe the relation between the local heat - flux of water wall and temperature of the back of the water wall. we realize the local slagging monitoring of water wall by the way of collection the temperature

    在水冷壁結渣監測中,建立了膜式水冷壁溫度計算模型,導出了一個水冷壁背火側兩點溫度與水冷壁實際局部熱流的數學關系,通過採集水冷壁背火側兩點溫度,來實現局部結渣監測。
  14. Ion channels are membrane - spanning proteins that can selectively mediate ion flux between the outside and inside of the phospholipid bilayer, and are essential for the electric activities of the organism

    離子通道是跨膜蛋白質,它能夠選擇性的介導離子流過脂質雙分子層,是生物電活動的基礎。
  15. The results indicates that the rougher the membrane surface morphology is, the faster the speed of flux decline, and the harder to recover by chemical cleaning

    結果表明,超濾膜表面形貌愈粗糙,膜通量的衰減速率愈快,且化學清洗后恢復愈困難。
  16. The structures of pamps molecule chains change along with the changes of solution environments ( ph and ionic strength ( i ) ) and thus affect the water flux and selective permeability of the composite membrane

    Pamps分子鏈的構象隨溶液環境( ph值、離子強度等)的變化而變化,從而影響膜的滲透通量和選擇透過能力。
  17. The results showed that the addition of sio2 resulted in acute enhancement of pure water flux combined with unchanged rejection properties, and the improving factor of pes membrane flux was above 4

    Sio _ 2的加入,使pu和pes平板膜的水通量大幅度提高,而截留率相對保持穩定,其中pes平板膜的水通量改善因子超過4 。
  18. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所制備的鋯表面改性膜進行了滲氫性能實驗,考核了膜對氫的唯一選擇滲透性,結果表明:在四極質譜的檢測下限內,只有氫氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數;其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線性關系;壓力對膜的滲氫系數幾乎無影響;膜的滲氫系數隨著溫度的升高而下降,井巨呈指數關系:根據對實驗數據所作滲氫系數與溫度關系曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0
  19. More emphases are put on the progress of membrane bio - reactor processes, performances, factors affecting membrane flux, and membrane washing

    處理效果、透水量影響因素、膜清洗方法等方面的研究進展情況。
  20. Bacteria, turbidity and ha are removed by the sieving mechanism of size exclusion which depends on the membrane mwco. the decline of the membrane flux is mainly attributed to the cake layer formation, but the ha cake layer leads to much worse membrane flux decline than turbidity cake layer does

    超濾對細菌、濁度和腐植酸的去除機理主要是膜的機械篩分,濾餅層的形成是膜滲透通量下降的主要原因,但腐植酸對膜滲透通量下降的影響遠大於濁度物質。
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