pore membrane 中文意思是什麼

pore membrane 解釋
多孔膜
  • pore : vi 1 注視，細看。2 用心閱讀；細心研究 （on over）。3 沉思，默想。vt 因凝視過度而使（眼睛）疲勞。 ...
  • 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。
  1. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。
  2. Another question discussed was the pore shape correction. the equivalent pore radius of the elongated microcrack membrane pore was corrected by the correlation present in the study on the stomata diffusion of monocotyledons

    這合理地解釋了在膜接觸器氣液分離過程中，氣液接觸面積等於整個中空纖維膜的表面積而不是孔面積這一實驗現象。
  3. Generally, the membrane thickness is much larger than the pore dimension. therefore, the resistance of the pore channel was the control resistance of the membrane diffusion process. while the existences of the stephen diffusion and pore interaction well explained the reason why the total membrane surface would be used as the interfacial area through where the mass transport took place

    盡管由於膜的厚度比孔的尺寸要大很多， stephen擴散以及孔之間的相互作用對通過膜的總擴散阻力影響很小，但它們存在的結果是使整個膜表面的氣體濃度趨於一致。
  4. Fabricating the nanoporous silicon membrane with nanotechnology and bio - mems technology, the thickness of membrane, pore size and distribution, geometry shape and porosity can precisely controlled

    摘要採用納米技術和生物微電子機械繫統技術制備納米多孔硅膜，可準確控制膜的厚度、幾何形狀、孔大小、孔分佈和孔隙率。
  5. Preparation and pore structure control of carbon membrane

    炭膜制備及其孔結構調控
  6. Sem, afm, epma micrographs indicate that pore size distribution of membranes is narrow ; thickness of membrane is about l - 2um and gradual interface between membrane and substrate is continuous and uniformity

    Sem分析發現膜面較為平整、無開裂且晶粒輪廓清晰，孔徑分佈較窄，膜厚大約在1 2 m之間，膜與基體的界面連續較均勻。
  7. 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。
  8. For membrane contactor process, the binary gas mixture diffusion through the pore channel should be considered as a transition diffusion of the absorbed momentum a through the stagnant momentum b. and the process would consist three steps : transition diffusion through the pore channel, stephen diffusion in the pore edge, and the pore interaction in the membrane surface

    對于孔形狀為近似橢圓形的聚丙烯微孔膜，在研究擴散問題時，其等效孔徑可採用葉孔擴散問題中的孔形狀校正公式來計算。在膜接觸器中，氣體通過微孔膜的擴散機理為過渡擴散，其擴散過程包括通過孔道主體的過渡擴散、微孔膜出口處孔道邊緣的stephen擴散以及孔之間的相互作用。
  9. On the basis of study on structure and mass transfer, ideal model of membrane structure was built up, in which skin layer should be as thin as possible ensure resisting water to pass though membrane ; finger pore should be as long as possible in the membrane ; proper pore size ; loose sponge tissue

    首先對利用相轉化法制備的微孔膜形態結構進行研究，確定傳導阻力較小的理想結構模型，緻密層在能阻止微孔被浸潤的情況下盡可能薄；指狀孔在膜厚方向所佔比例盡可能大；孔徑大小適宜；海綿狀組織結構疏鬆。
  10. Standard test methods for pore size characteristics of membrane filters by bubble point and mean flow pore test

    用起泡點和氣孔平均流量法測定膜過濾器孔隙尺寸特點的標準試驗方法
  11. 2 functions of max bubble pore size of support most and powder size of membrane layers is d = 2d

    2 、在刷塗工藝條件下，用hdh鈦粉制備的多孔鈦膜，支撐體最大氣泡孔徑d與膜層粉末粒度d關系存在d = 2d關系。
  12. The dry temperature of the metal membrane rangs from 50 c to 60 c, dry time of metal membrane is 10 minutes ; the rate of heat - up is 5 v / 30mins ; the pore size and permeability of metal membrane reduce with the sintered temperature of metal membrane rising. when sintered temperature is over 1000, the influence of sintered temperature to pore size is small

    在刷塗工藝條件下，用hdh鈦粉制備的多孔金屬膜的乾燥溫度為50 ? 60 ，乾燥時間為10分鐘；升溫以5v / 30min進行；多孔金屬膜的孔徑隨著燒結溫度的升高而降低，當燒結溫度在1000以上時燒結溫度對孔徑的影響較小。
  13. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究
  14. A single molecule of rta is able to depurinate 1500 - 2000 ribosomes per minute. ricin b chain ( rtb ) is a galactose - specific lectin which binds to the receptors on cell surfaces, and may enhance rta translocation by forming a pore in the membrane of intracellular organelles. ricin enters the cells by receptor - mediated endocytosis

    內吞進入細胞的蓖麻毒素一部分返回到膜表面，一部分經早期內體至晚期內體，最後在溶酶體中降解，只有一小部分約5到達高爾基體，隨后逆轉運到粗面內質網，在那裡rta才和rtb解離，游離出有催化活性的rta 。
  15. Effect of pore size distribution on mass transfer in direct contact membrane distillation

    膜孔徑分佈對直接接觸式膜蒸餾傳質速率的影響
  16. This is due to three reasons : ( 1 ) sio2 influenced the phase behavior of suspensions, shifted the bimodal to lower nonsolvltil concentrations, so that it changed the skin characteristics and pore structure. ( 2 ) there was a kind of interfaeial micro - void ( this is the spaces between the phase of polymer matrix and distributive sio2 particles or ca phase ) existing in the membrane. this enhanced interconnectivity of the membrane pores

    原因在於： sio _ 2影響鑄膜液的分相條件，繼而影響膜的表皮成孔性和膜孔結構； sio _ 2在膜基質中的存在，使平板膜變為多相結構，相與相之間的界面空隙形成了界面微孔，增加了膜孔的連通性： sio _ 2表面有許多si - oh基團，增加了膜的親水性。
  17. A method to back analysis the distribution pattern of negative pore - water pressure along vertical drainage line was proposed. some practical vacuum preloading projects were analyzed. the results showed that distribution patterns of negative pore - water pressure along the vertical drainage line were uniform and the magnitude was about half of the vacuum degree under the membrane

    提出由現場實測資料反分析豎向排水體中的負壓分佈的方法，通過對若干工程實例的反分析，認為真空預壓下負壓分佈沿豎向排水體的分佈基本均布，其值約在膜下真空度的50左右。
  18. This is to say, pu composite hollow fiber membranes pore size can become large with transmembrane pressure increasing, and can recover completely with transmembrane pressure reverting to original pressure at a specification condition. from the hagen - poiseuille equal ion, pu composite hollow fiber membrane pore radius magnification was calculated. in our experiment, the variation of membrane pore radius attained to much six times larger than the primitive membrane pore radius

    根據一般非變形膜的純水通量一壓力差的直線關系，首次提出了孔徑變化分離膜的純水通量一壓力差的曲線關系，並根據hagenf公式，理論上計算出了幾種pu復合中空纖維膜最大變形時的膜孔徑為原始膜孔徑的倍數，最小膜孔徑變化也達到原始孔徑的一倍多，最大膜孔徑變化達到原始孔徑的六倍多。
  19. In this paper, the structure and properties of polyurethane ( pu ) - sio2, polyethersulfone ( pes ) - sio2 composite membrane. including composite flat membrane and composite hollow fiber membrane, and responsivity of composite pu hollow fiber membrane pore size to pressure were studied

    本文對sio _ 2填充聚氨酯（ pu ） 、聚醚碸（ pes ）復合膜，包括平板膜和中空纖維膜的結構和性能及pu復合中空纖維膜的壓力響應性進行了研究。
  20. Test method for pore size characteristics of membrane filters using automated liquid porosimeter

    用自動液體孔率計檢驗薄膜過濾器的孔徑特性的測試方法
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