聚乙烯基質 的英文怎麼說
中文拼音 [jùyǐxījīzhí]
聚乙烯基質
英文
pem-
( 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 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物,與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜,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。In this article, the bellcore method was used to prepare polymer electrolyte membrane based on pvdf - hfp, and polymer electrolyte membranes under different conditions were prepared by changing sorts of solvents 、 ratio of dbp and solvent. effects of ratio of plasticizer and solvent on the liquid uptake 、 sem 、 mechanism capability 、 ionic conductivity 、 electrochemical stability window of polymer electrolyte membrane were also studied. through optimizing the preparation technics, the integrated effects of additives such as pc 、 ec 、 dbp and nanophase al2o3 on the ionic conductivity 、 liquid uptake were studied
本文以聚偏氟乙烯-六氟丙烯共聚物pvdf - hfp為基質,採用bellcore制膜法制備了pvdf - hfp聚合物電解質膜,通過改變增塑劑dbp的含量、溶劑的種類及溶劑的含量制備了不同條件下的聚合物電解質膜,分別研究了增塑劑含量、溶劑含量等對聚合物電解質膜的吸液率、表面形貌、機械性能、離子電導率、電化學穩定窗口等的影響;對制備工藝進行了優化,研究了各種添加劑如pc 、 ec 、 dbp及納米al2o3對聚合物電解質膜的離子電導率、吸液率等性能的綜合影響。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 ,採用聚乙烯醇縮丁醛為輔助固酶膜基質修飾鉑絲電極,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。Based on detecting old fuel gas pipe material, corrosion condition, soil corrodibility and corrosion mechanism, this dissertation posed coating protection method that polythene gummed tape preservation layer can be used to the old pipes and polythene interlayer preservation layer can be used to new pipes
本論文在細致考察了舊燃氣管道材質、腐蝕狀況、土壤腐蝕性和腐蝕機理的基礎上,提出對于舊管道採用膠帶防腐層,新管道宜採用聚乙烯「夾克」防腐層的塗層防護措施。N - vinylpymolidone - co - 2 - hydroxyethyl methacrylate ( nw - co - hema ) copolymer had been widely studied and used as soft contact lens and controlled - releasing materials in foreign countrys. but this hydrogel material ' s oxygen penetration capability was closely correlated to its equation water content. when the hydrogel had high equation water content, its oxygen penetration capability was improved, but its mechanism performance was droped
N -乙烯基吡咯烷酮( nvp )和甲基丙烯酸-羥己酯( hema )的共聚物水凝膠作為軟質接觸透鏡材料(隱形眼鏡)和藥物釋控材料,在國外已經得到深入研究和應用,但是這種水凝膠材料的氧氣透過性能與其平衡含水量密切相關,水凝膠含水量較高,其氧氣透過性能有所提高,但材料的機械性能下降。In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films
在實驗中採用高能輻射技術,先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上,后經氯磺酸磺化反應引入磺酸基團,合成了滿足燃料電池性能要求的質子交換膜。The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇( pva ) 、聚乙烯基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙烯酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對石墨在水中分散性和穩定性的影響。Abstract : water solution polymerization and precipitation polymerization of ethenyl radical monomers were carried out at same conditions, and the differences between the products in molecular weight and other aspects were investigated
文摘:針對目前溶液聚合體系中、後期粘度高,熱擴散不利,從而影響分子量提高的問題,進行乙烯基類單體在同等條件的水溶液聚合及沉澱聚合,比較了獲得的聚合物產物在分子量及應用性質上的差異。Polypropylene membrane complete membrane medium that two sweet - smelling base ethane impregnated
Fm表示用二芳基乙烷浸漬的聚丙烯薄膜全膜介質。The results indicate that the sort of walling material is the most important factor in bond capacity of mortar, the mixed quantity of polymer and mortar strength follows, and there is a remarkable increase in mortar bond strength when the mixed quantity of pvb and mc is 20 % ~ 30 % and 0. 05 % ~ 0. 1 % respectively
結果表明:塊體類別是最主要的影響因素,其次是聚合物摻量和砂漿強度;當聚乙烯醇縮丁醛和甲基纖維素的摻量分別為水泥質量的20 % ~ 30 %和0 . 05 % ~ 0 . 1 %時,可較大幅度提高砂漿的黏結強度。This article is about the polymer separator full of holes, we research the performance of the separator, including making two kinds separters that produce wth complete different methods : spreading the separator, pvdf as the basic material, dbp as the plasticizing agent, nm sio2 as the inorganic addition and acetone as the solvent, and make separator on the special machine ; dipping in the separator so that intensify the seprater, its dip liquor is as the liqure as the spreading separator, and dip the base material pp / pe / pp into the liquor for more than 2 hours
本文對多孔聚合物電解質隔膜進行了綜合研究。以聚偏氟乙烯( pvdf )為基體,鄰苯二甲酸二丁酯( dbp )為增塑劑,納米sio2為無機添加劑,丙酮為溶劑,在流延機上塗布得到了聚合物電解質隔膜。以流延法制備隔膜的漿料為處理液,將基體材料pp / pe / pp浸泡在處理液中2h以上,制備出強化電解質隔膜。Basic properties of various polyethylene polymerized by metallocene catalysts and various branched polyethylene polymerized by oligomerization cocatalysts were researched, and the results show that metallocene branched polyethylene polymerized by oligomerization cocatalysts have high molecular weight, broad molecular weight distribution, and good tensile properties compared to metallocene - based polyethylenes prepared using mono - metallocene and bi - metallocene catalysts
摘要研究了不同茂金屬催化劑聚合的茂金屬聚乙烯及不同齊聚共聚催化劑聚合的茂金屬支化聚乙烯的基本性能,結果表明:以齊聚共聚催化劑體系的茂金屬支化聚乙烯比以單、雙茂金屬催化劑的茂金屬聚乙烯相對分子質量高、相對分子質量分佈寬,拉伸性能優良。This gives huanyu most advantages in paint industry in china. huanyu is engaged in the environment protection at all times, for example, in the area of reuse of waste polymerisates, in the area of making aqueous paint to restrict voc let out. especially in the reuse of polymerisates, by degradation, the macromolecule become oligomer which can be used as materials in paint resin manufacturing, both pet flack, grain, silk, bottle, block appearance and ps espccially in bubble form be widely used in huanyu. besides, huanyu has been using waste pe, pvc, pp to make aqueous paint package, the output reached 1 million size 5 gallons in 2000
公司主要產品包括:醇酸硝基聚酯聚氨酯氨基環氧陰極電泳氯化橡膠丙烯酸苯乙烯瀝青內外墻乳膠漆等12大系列, 1000多個花色品種,年生產塗料油漆2 . 6萬噸,產品的各項性能指標均達到或超過國家標準,並先後榮獲「中國綠色建材產品」 「中國環保產品質量信得過重點品牌」 「山東省名牌產品」 「山東省技術監督局免檢產品」 「濰坊市技術監督局免檢產品」等榮譽稱號。Theoretical studies of structures, electronic spectra and nonlinear second - order optical properties of two diacetyleny - substituted 60 fullerene
亞苯基乙烯撐二聚物的電子性質和非線性光學性質的理論研究Team a is made of carboxyl styrene, crylic acid assemble matter ; team b is made of silicate cement, quality quarts grit and special active chemical matter
組分是由羧基苯乙烯、丙烯酸共聚物等組成; b組份是由硅酸鹽水泥、精選的石英砂及特種活性化學物質等組成。The copolymerizations of p - methylstyrene and styrene, styrene and ethylene were also investigated using some of these catalytic systems. the three kinds of catalysts showed their own polymerization principles. the changes of polymerization activity and polymer properties depended on the structure of complexes, different polymerization conditions such as the catalyst concentration, the molar ratio of al to ti, the polymerization temperature and reaction time
三類催化劑催化苯乙烯和p -甲基苯乙烯均聚時都有各自一定的聚合規律,不同的配體結構,聚合條件催化劑濃度、鋁鈦比、聚合溫度和反應時間對聚合活性以及聚合物的性質有很大影響。On the basis of the mentioned analysis, i bring up with systematic measures for quality insurance of pe pipe engineering
在此基礎上,提出一套針對聚乙烯燃氣管道工程的質量保障措施。Pant doped with h4siw12o40 was obtained in the pam aqueous solution and glycol solution, respectively
以聚丙烯酸胺為反應基質,分別在聚丙烯酰胺的水、乙二醇溶液中制備了摻雜態導電聚苯胺。On the basis of surveying of the relative literature about the modification of pvc, two kinds of fibers were used to improve pvc, the light, low cost / wood fiber / pvc composites were made. using diabase fiber instead of glass fiber reinforce pvc in order to resolve the difficult process problem. the wood fiber was treated, the configuration and the mechanical properties of the wood fiber / pvc composite were studied
本文在查閱了大量國內外有關聚氯乙烯( pvc )改性的文獻資料的基礎上,採用兩種纖維對pvc進行了改性研究,用木纖維改性pvc制備輕質低成本的pvc材料,用輝綠巖代替玻璃纖維擬解決玻璃纖維增強pvc製品難加工的問題。分享友人