聚乙烯乙醇膜 的英文怎麼說

中文拼音 [chún]
聚乙烯乙醇膜 英文
pav membrane
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  • : Ⅰ名詞1 [書面語] (含酒精多的酒) mellow wine; good wine2 [化學] (有機化合物的一大類 含羥基的烴化...
  • : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
  • 聚乙烯 : polytene; formale; polyethylene; polythene聚乙烯薄膜 polyethylene film; 聚乙烯撐 polyvinylene; 聚...
  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?有機復合納濾為出發點,首先在al _ 2o _ 3多孔微濾上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾作為無機?有機復合納濾的基;選用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sio _ 2 ? al _ 2o _ 3復合納濾;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面合法制備了酰胺sio _ 2 ? al _ 2o _ 3復合納濾,並對影響性能的諸多因素進行系統研究。
  2. Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid , methylacrylic acid , esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water , anti acidity or bascity and brightness in the products of same type

    以丙酸、丙酸酯、甲基丙酸、甲基丙酸酯等作為基料,在引發劑的存在下,以水或作溶劑進行合,加入苯、醋酸等改性,合成了3種不同的水溶性丙酸改性樹脂,並對其性能進行了測定.結果表明:這3種樹脂的粘度、水溶解性、乾燥后的吸脹性、抗酸堿性、光亮度等性能均優于同類產品
  3. 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與縮丁醛( pvb )共混,醚化- cd與ca共混的滲透汽化性能,獲得了比較理想的滲透通量。
  4. ( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime

    ( 3 )用強熒光基團2 -氨基苯並蒽酮與對丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙酸羥酯、丙酰胺、環二丙酸酯共制得光極,制備了一種苯並蒽酮schiff堿光化學傳感器,可用於單質碘的測定。
  5. Study of the preparation of pva composite nanofiltration membrane

    復合的制備
  6. Several kinds of fillers, i. e., phenol - formaldehyde, alkyd, polyester, polyurethane and poly - vinyl - acetate, were tried to coat surface of wheat straw board ( wsb ) in this paper

    摘要對麥?人造板表面分別試驗了酚醛樹脂、酸樹脂、酯樹脂、氨酯、醋酸酯膩子,塗刮膩子后再噴塗丙酸漆,並測定漆附著力。
  7. It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. good character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film

    是一種水溶性高分子合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用合物助劑建築塗料用粘合劑以及製成薄後作為包裝材料等方面,日益顯示出其良好的使用性能。
  8. It is also used as adhesion agent to replace starch. pva is widely used in textile, paper making, building materials, packing, glass, and medicine. sound character of service has been displaying when it is used as textile warp size, fabric finishing agent, reagent and additive in polymerization for industry of fine chemicals, adhesion agent for construction coating, and packing material film

    pva是一種水溶性高分子合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作合反應的乳化劑和分散劑,同時可取代澱粉等作為膠粘劑,廣泛應用於紡織造紙建築材料包裝玻璃醫藥等行業,在作為紡織用經紗漿料織物整理劑精細化工用合物助劑建築塗料用粘合劑以及製成薄後作為包裝材料等方面,日益顯示出其良好的使用性能。
  9. The obtained biosensor exhibits high sensitivity, excellent reproductivity and good stability with substantially improved performance. part two describes the manufacture and characterization of glucose oxidase - silver sol - polyvinyl butyral modified platinum electrodes with tris ( 2, 2 ' - bipyridyl ) cobalt ( iii ) perchlorate as an electron transfer mediator in the glucose solution

    用納米ag溶膠固定god ,採用縮丁醛為輔助固酶基質修飾鉑絲電極,並以葡萄糖溶液中的co恤pyh ( cio4 ) 3為電子媒介體組成葡萄糖氧化酶生物傳感器。
  10. 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

    為了改善和優化醚碸超濾(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,以醚碸( pes )為主要成材料,以二甲基亞碸為溶劑,並添加一定分子量的致孔劑( pvp ,吡咯烷酮)以及一定分子量的添加劑( peg ,)按照一定配比在一定溫度下製成透明均一的鑄液,靜置脫泡后在一定的工藝條件下製成醚碸平板和中空纖維,然後通過測試的結構和性能來評估其用於血液過濾中的前景。
  11. The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene

    本文對兩類有機有機混合體系進行了滲透汽化過程的研究,其一為醋酸纖維素( ca )及ca -醋酸物( eva )復合用於甲基特丁基醚( mtbe )中少量甲( 5 meoh )的脫除,探討鑄混合溶劑及后處理技術對分離性能的影響。其二為運用適當的材料及添加劑去除間二甲苯( mx )中的少量對二甲苯( 10 px ) 。
  12. 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的透氣性影響不大。
  13. The mechanism for optical storage in these materials has been attributed to a statistical reorientation of the azobenzene chromophors perpendicular to the polarization of the incident electric field of the pump laser beam. the photoinduced birefringence and holographic storage in methyl orange dyes ( mo ) doped polyvinyl alcohol ( pva ) films were reported firstly in this thesis. the relationship between the photoinduced birefringence and the dye content and pumping power was investigated by using the writing light of 532 nm ( double - frequency of nd : yag laser ) and the reading light of 632. 8 nm

    本文研究了甲基橙( mo )偶氮苯染料摻雜( pva )薄的光致雙折射和全息光存儲特性,利用yag激光2倍頻( 532nm )作為寫入光, he ? ne激光( 632 . 8nm )作為讀出光,研究含有不同染料濃度pva薄的光致雙折射特性,探討了光致雙折射和泵浦光功率的關系,實現了全息光存儲,所得光柵生長曲線包含快過程和慢過程,快過程以異構相位光柵的生長為主,慢過程以取向光柵的生長為主,對此實驗結果本文給出了合理的理論解釋。
  14. In the experiments, the degree of swelling of pva and sa blended homogeneous membranes has been researched. in the 90wt % isopropanol solution, the membrane ' s degree of swelling increases with the pva content in the homogeneous membrane increase. the effect about several crosslinking agents to the membrane separation performance has been studied

    在試驗中,本文首先考察了與海藻酸鈉共混,在90wt的異丙水溶液中的溶脹度,發現不同共混比對的分離性能有一定的影響,隨著中pva含量的上升,的溶脹度增大。
  15. Combining sio2 / al2o3 ultrafiltration ( uf ) membrane and pva ( pa ) / sio2 - a12o3 nf membrane, the purification and concentration process of erythromycin ( er ) could be achieved more efficiently such as, energy saving, higher recovery rate and potency of the product as the lower temperature condition by using the uf - nf composite system

    在對紅黴素的分離提純研究中, 5102 / a1203無機超濾酞胺) / s102一a12o3復合納濾混合分離體系對模擬紅黴素發酵液中的紅黴素具有較好的分離提取效果。
  16. Under the conditions of operation pressure about 0. 8mpa and feed temperature 20 ?, the rejection performance of er feed solution is about 98 %. ftir and sem are used to analyses the structure and component of membranes

    結果表明, 5102 / a120 :無機超濾/ 510 :一a1203復合納濾混合分離體系對紅黴素的提取率可達98 % 。
  17. The effection of several crosslinking agents on poly ( vinylalcohol ) was studied in this paper, in addition to the varied factors which affected the properties of the crosslinked films

    摘要研究了不同交聯劑對的交聯效果,並付影響交聯性能的各種因素進行分析。
  18. It is also found that the concentrations of reactant, catalyst, the time and temperature of action and the working conditions have perceptible effects on its membrane performances. in this paper, the application of these membranes is also introduced

    探討了原料濃度、交聯劑種類和濃度、催化劑、添加劑、反應時間和反應溫度對性能的影響,初步計算了/ 5102一a12o3復合納濾層的阻力。
  19. Conductive polymer composite film of polyaniline / poly ( vinyl alcohol ) ( pan / pva ) was synthesized with an in - situ polymerization. the conductivity of the composite film was determinated to be 4. 36 s - cm ' 1. thermal stabilities of this composite film and pure pan were investigated by baking polymers in air atmosphere at 200 * c

    通過現場合制備出苯胺與的復合,產物電導率達4 . 36s ? cm ~ ( - 1 ) ,掃描電鏡研究結果表明,隨合時間和靜置時間的延長,表面的苯胺層緻密、均勻。
  20. In the paper, blend composed membranes with different ratio of pva and sa have been prepared supported by hollow fiber ultrafiltration membrane of polysufone. the characterization of the blend membranes has been studied in the dehydration of methanol, isopropanol, n - butanol and tert - butanol. the influencing factors of operating temperature, feed concentration, and feed speed rate have been researched

    此外,實驗中還制備與海藻酸鈉腈平板復合,分別對甲進行滲透汽化脫水實驗,發現以腈為底的平板復合的分離因子比碸為底的中空纖維復合的高。
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