膜的透過性 的英文怎麼說
中文拼音 [módetòuguòxìng]
膜的透過性
英文
membrane flux- 膜 : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
- 的 : 4次方是 The fourth power of 2 is direction
- 透 : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 透過 : filtering
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Combined the above results, there existed significant correlation among chlorophyll a fluorescence parameters ( fv / fo, fv / fm, yield, qp, qn and mda contents, plasma membrane permeability in euonymus japonicus " zhuzi " seedlings
葉綠素熒光a參數與mda含量及質膜相對透性的的相關性分析表明,低溫脅迫下, ps原初光能轉化受抑製程度與膜脂過氧化存在一定的關系。A charged mosaic membrane with ideal selectivity has apparently advantage over the conventional nanofiltration ( nf ) membrane, which can be used to concentrate the monovalent salts and bivalent salts
我們知道,傳統的納濾膜僅僅能透過一價鹽,而在化學工業中對於二價鹽的選擇性傳遞有時尤為重要。Coating ' s transparent and abrasive characters are measured by spectrophotometer and abrasion instrument and sway pole sclerometer. as a result, lacquer ' s abrasion - resistant performance improved 100 % adding 15 % nano - alumina. nano composite coating improved pmma base 2. 75 times
用分光光度計、耐磨儀及擺桿硬度計測定了塗料的透明性和耐磨性,添加15 %的納米al2o3 ,塗膜的耐磨性能提高了100 % ,納米復合塗料對底材有機玻璃的耐磨性能提高了2 . 75倍,可見光透過率在80 %左右。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。Using molecular imprinting method, the 1, 3 - dimethylxanthine theophylline, tho molecular recognition membranes, containing an segments as membrane formation sites and aa segments as functional sites, were prepared by the phase inversion technique. here, tho was selected as a template molecule. the hydrogen bonding between aa segments and the tho templates was measured by ft - ir and nmr. the tho templates can be removed from the membrane through washing with acetic acid aqueous solution. the permeation of tho through the membranes is far more than that of 1, 3, 7 - trimethylxanthine caffeine, caf, which demonstrated the function of tho molecular recognition of the membrane. the results also show that the increase of the tho templates concentration in the cast solution caused an increase of tho amounts taken into the copolymer membrane
Ft - ir及nmr測試結果表明:制備的高分子膜中, tho模板分子和膜中的丙烯酸功能殘基存在著氫鍵鍵合作用。大量的極性醋酸水溶液可抽出膜中的模板分子。 tho溶液和與模板分子具有相似結構的1 , 3 , 7 -三甲基黃嘌呤咖啡因, caf溶液的基質透過實驗結果:進入膜結構中tho分子的量遠大於caf分子,這表明制備的高分子膜具有tho分子識別功能。Furthermore, the growth of escherichia coli tg1 and staphyloccus aureur atcc25923 were not under the influence of apss. the switching pulse induced a perceptible sustained transmembrane current on the planar lipid bilayer after unpurified aps added
機理研究表明未經純化的aps作用於脂質平面膜,可以形成跨膜電流,提示活性成分可能通過改變脂質雙層膜通透性抗菌。The results showed that temperature of freezing storage had influences on the zein films, which led to the changes of mechanical properties, equilibrium moisture content ( emc ), water vapor permeability ( wvp )
結果表明:蛋白膜的機械特性、平衡水分含量和水蒸氣透過率隨凍藏溫度的變化而發生變化。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。A polyaniline / polyisoprene composite film with permselectivity was synthesized by electrochemical method for the first time, which can determine selectively h2o2 in the presence of electroactive interferent ascorbic acid
採用電化學方法首次制備了具有特殊滲透選擇性的聚苯胺/聚異戊二烯復合膜,它能在抗壞血酸存在下讓過氧化氫選擇透過。Gas permeability tester and mechanical folding device were developed to study the barrier property and deformation failure behaviors. the surface characterization, chemical structure, optical, mechanical properties of pet coated with dlc have been investigated by x - ray photoelectron spectroscopy ( xps ), contact angle measurement, light transmission analysis, nanoindentation and friction wear tests
通過x射線光電子譜分析、接觸角測定、光學透過率分析、納米壓痕、摩擦磨損試驗、機械彎折試驗、氣體透過率試驗,對膜層的表面特徵,光學、力學及氣體阻隔性能進行了系統的研究。The who classification states that acute lymphocytic leukemia ( all ) should be classified by the pattern of reactivity of cell to a panel of lineage - associated antibodies and, where possible, genetic abnormalities. the expression of cd antigens on leukocytes is currently determined by flow cytimertry, which is expensive and labor - intensive, requiring 5 - 20ul quantities of fluores - cently labeled antibodies and allowing concurrent analysis for a limited number of cd antigens, usually three to four. from clinical point of view, an efficient method is required for analysis of a large number of samples in a single experiment
我們設計了一種新型的細胞晶元,其原理是充分利用玻片的硬度高,透明性好的特點,應用細胞膜表面不同的抗原物質,與包被在玻片上的不同抗體發生特異性結合,通過一次實驗可以將被測細胞懸液中不同膜表型的細胞分離、固定在同一張玻片的不同特定區域,保持了細胞的完整性及活性,又可通過簡單的操作一次將多細胞懸液進行免疫分群。The preparation of composite membranes in this dissertation can optimize the separation function and improve the antifouling ability of the membranes while not change the properties of the pvdf radicle membranes. the pvdf - g - pamps hollow - fiber grafted composite membrane was prepared through surface chemical grafting
本文採用制備中空纖維復合膜的方法,在不改變pvdf基膜材料本體性能的基礎上,發揮基膜材料和分離功能層膜材料的優點,得到高分離功能、高透過通量的智能復合膜。The enhancement of water wettability, better optical transparency, and higher wear resistance have been found after the samples were treated under high rf power, bias voltage and gas pressure conditions
在較高射頻功率、基板負偏壓、反應氣體壓強狀態下制備膜層的潤濕性、耐磨損性較好,而光學透過率較低。Nuclear particle track - etched anti - counterfeit marking is a new weapon against fake products. the mark is manufactured by intricate high technology in state - controlled sensitive nuclear facilities which ensures that the mark can not be copied. the pattern of the mark is characterized by its permeability, and can be distinguished from fakes by using a transparent liquid ( e. g. water ), colored pen or chemical reagent. the technique has passed the official health safety examination and poses no danger of nuclear irradiation
用核粒子照射塑料薄膜形成徑跡,再經化學試劑蝕刻和成像技術,得到由微米級微孔組成的圖案.這種圖案具有物質透過特性.用這種方法生產的核徑跡防偽標志,具備核尖端技術不易擴散,製作設備不易得到,產品用其他方法難以偽造,防偽識別簡單、快速、可靠等特點.此種標志已經通過放射性安全檢測,可以用於各種商品(包括食品)的包裝Al - doped zno ( azo ) thin films are emerging as an alternative potential candidate for ito ( sn - doped in2o3 ) films recently not only because of their comparable optical and electrical properties ( high optical transparency in the visible range, infrared reflectance and low d. c. resistivity ) to ito films, but also because of their higher thermal and chemical stability under the exposure to hydrogen plasma than ito
Al摻雜的zno薄膜,由於具有與ito ( in _ 2o _ 3中適量摻雜sn )薄膜相比擬的對可見光的高透過率和高電導,又因其在氫等離子體中的高穩定性等優點,已成為替代ito透明導電薄膜的研究熱點。In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good
本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別,在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠(以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠,相應的薄膜為1 ~ #薄膜, nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜) ,在通過組裝薄膜並用透射電鏡( tem )觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率,得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜,而第一種溶膠不適于用此法鍍膜的結論,用傅立葉紅外光譜( ft - ir )研究了溶膠組成;用差熱失重分析儀( dta - tg )對膠體進行了熱分析。The results showed that sf was grafted onto the surface of pu membranes ; pu membranes modified with sf have good flexibility as well as their hydrophilicity was improved, and certain water vapor permeability
結果表明:經過上述工藝處理后,絲素蛋白已接枝在聚氨酯膜的表面;絲素改性后,聚氨酯膜不僅表面親水性提高,而且仍具有良好的柔韌性和一定的透汽性。This special membrane is a porous hydrophobic membrane, which means that water vapor can pass through it, but drops of water cannot. by passing hot seawater through one side of the membrane, only the water vapor generated from the seawater passes through, the water vapor is then cooled by the cool water on the other side of the membrane, forming water drops, resulting in freshwater
在膜蒸餾過程中,被加熱的鹹水產生水蒸汽,水蒸汽透過膜,膜的特點是允許蒸汽透過而液態水卻不能通過,透過的水蒸汽遇到溫度較低的表面后冷凝,冷凝的水滴由於膜的特殊性不能透過膜而返回,將其進行收集便得到淡水。By varying the temperature and ethonal concentration of the feed solutions, the sepraration performance agreed with conventional pervaporation law, the suitable operating temeratue is determined at 40. the mechanism of composition of polyanion and polycation was characterized by ir and sem
通過改變進料液溫度和乙醇濃度的實驗,表明該復合膜的分離性能符合一般滲透汽化膜的分離規律,並確定了最佳操作溫度為40 。The results indicate the even blended, clear suspensions owned a good stability and flowability, and can used as casting membrane solutions. both the stability of active carbon power suspensions and the integration properties of membrane being made from them were bad. coagulant bath temperature had a strong influence on pu, pes composite flat membrane
結果表明,經過充分分散的sio _ 2填充聚合物鑄膜液,均勻透明,具有較好的穩定性和流動性,適于用作平板膜和中空纖維膜的原料液;而活性炭粉填充聚合物鑄膜液穩定性較差,所得膜的綜合性能也差於sio _ 2填充膜。分享友人