聚孔烯 的英文怎麼說

中文拼音 [jùkǒngxī]
聚孔烯 英文
polyvinyl
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 烯 : 名詞[化學] （有機化合物的一類） alkene; olefince
  1. Closed cell polyethylene foam backer rod

    密封微孔聚乙烯泡沫墊棒
  2. 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。
  3. Practice for hdpe manholes for subsurface applications

    地下高密度聚乙烯人孔慣例
  4. Microporous polyethylene separator for lead acid storage batteries

    鉛酸蓄電池微孔聚乙烯隔板
  5. 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。
  6. When they were respectively used as separator in zn / k2feo4 battery, the percent of capacity of the cathode active material na2feo4 were : microfiber glass mat ' s : 93 % ; polyethylene ' s : 68 % ; polypropylene ' s : 56 % ; polyvinyl chloride ' s : 47 % ; vinylon ' s : 38 % ; soapnated cellulose acetate ' s : 24 %. although five of them ( not concluding soapnated cellulose acetate ) had very weak or weaker reductivity as separator in super - iron battery, for which th ey were more suitable to being separator in super - iron battery

    作為隔膜用於zn k _ 2feo _ 4實驗電池，正極活性物質k _ 2feo _ 4的放電容量效率分別為復合玻璃纖維膜93 、輻射接枝聚乙烯膜68 、改性聚丙烯微孔膜56 、聚氯乙烯微孔膜47 、維尼綸無紡布38 、皂化再生纖維素膜24 。
  7. Perforated steel skeleton polyethylene composite pipes for industry

    工業用孔網鋼骨架聚乙烯復合管
  8. Fittings of perforated steel skeleton polyethylene composite pipes for industry

    工業用孔網鋼骨架聚乙烯復合管件
  9. 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。
  10. Preparation of flat sheet microporous membranes from ipp via tips for membrane distillation

    熱致相分離法制備膜蒸餾用聚丙烯平板微孔膜
  11. Standard specification for selection of porous polyethylene for use in surgical implants

    外科植入物用多孔聚乙烯的選擇
  12. Finally, the reason that the performances of new construction putty were improved was analyzed from the point of micro by sem, edxa and mip. the result and phenomena were explained in the course of experiment, the mechanism about shrinkage at early age and anti - cracking of polypropylene fiber were discussed elementary

    最後，本文藉助掃描電鏡（ sem ）和能譜分析（ edxa ）及汞壓力測孔法（ mip ）等現代測試分析手段，從細觀的角度分析了新型外墻膩子粉性能改善的原因，並初步探討了聚丙烯纖維膩子的塑性收縮及阻裂增韌機理。
  13. Powders are scattered in dispersant by the high - energy dispersing technology ; viscidity of dispersant is great, density of dispersant close particle density. polyvinyl alcohol is choosed as dispersant, and concentration of polyvinyl alcohol ranges from 3wt % to 7wt % ; the concentration of particle is 0. 4g / cm3. 4 the consolidation technology includes dry, the rate of heat - up and sintered

    分散採用高能量的分散技術；分散劑選擇粘度大，密度與懸浮粒子密度相近的分散劑；對于鈦粉、不銹鋼粉，其分散劑選擇聚乙烯醇，聚乙烯醇的濃度范圍在3wt ? 7wt ；在刷塗工藝條件下懸浮液的最佳濃度為0 . 4g / cm ~ 3 ，懸浮液濃度對多孔金屬膜的透氣性影響不大。
  14. 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。
  15. This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )

    本文主要對聚丙烯腈（ pan ）二甲基甲酰胺（ dmf ） 、 pan二甲基已酰胺（ dmac ）體系進行電紡絲，調節靜電壓（ 20 50kv ） 、噴頭孔徑（ 0 . 5 0 . 8mm ） 、接收距離（ 15 25cm ） 、溶液濃度（ 6wt 14wt ）等過程參數，制得pan納米纖維，纖維平均直徑在200 1000nm ；詳細分析了過程參數對纖維細度、形態等的影響，認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響，其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。
  16. 3 ) raman and ir spectroscopy techniques have been used to study kaolinite - organic intercalation mechanism. during the intercalation reaction, the original hydrogen bonds between the al ( o, oh ) (, octahedral hydroxyl groups and the sio4 tetrahedral oxygens were broken, and the new hydrogen bonds between organic molecular and kaolinite were formed

    甲酰胺和聚丙烯酰胺以c = o基與高嶺石內表面羥基形成氫鍵， nh基與高嶺石si - o基形成氫鍵並部分嵌入高嶺石的復三方孔洞。
  17. In this thesis, a system of supported liquid membrane selected composed of tbp as carrier, kerosene as the solvent and polypropylene as membrane support material

    本工作採用的支撐液膜體系，是以磷酸三丁酯（ tbp ）為載體，煤油作為膜溶劑，多孔性聚丙烯膜為支撐膜材料。
  18. Elements of the system include latex - impregnated and synthetic bonded forms, spiral and perfect - bound notebooks, esd - safe transplex and polypropylene clipboards, three - ring binders and tabs, refills, document holders, cleanroom pens, labels and self - binders and tabs, refills, document holders, cleanroom pens, labels and self - adhesive notepads

    該系列產品包括用乳膠和合成材料處理過的紙張、筆記本、防靜電聚丙烯書寫板、三孔裝訂夾、分頁紙、文件夾、專用筆、標簽和自粘邊箋紙。
  19. Prefabricated high density polyethylene manholes for use in sewerage systems ; dimensions and technical delivery conditions

    排污系統用高密度預制聚乙烯管道檢修孔.第3部分:尺寸
  20. Prefabricated glass fibre reinforced plastic manholes for use in sewerage systems ; dimensions and technical delivery conditions

    排污系統用高密度預制聚乙烯管道檢修孔.第5部分:尺寸
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