水基凝膠 的英文怎麼說
中文拼音 [shuǐjīníngjiāo]
水基凝膠
英文
aqueous gel-
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。But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry. moreover some people modified the result by the grain coefficient in the derivation of theory. but this assume had more difference on the observed phenomena in the experiment, so it was not perfect in theoretical speaking
關于絮凝的理論基礎在國外研究得比較多,但在過去的研究中,人們大都是將水中的膠體顆粒抽象為球形,用已有的膠體化學理論去加以解釋,並在理論推導中引入顆粒系數加以修正,這與實際實驗所觀察到的現象有較大的差別,從理論上說,是很不完善的。Yh series inorganic gel can be used alone. or mix use with thickening agent such as cardoxymethyl cellulose, hydroxy ethyl cellulose, cmhpc, will acquire best rheological property. it has been found that this kind of product should avoid mix using with the polyurethane thickening agent
2 . yh系列水性膨潤土無機凝膠產品可單獨使用或於其它增稠劑如羧甲基纖維素,羧乙基纖維素,甲基纖維素及其改性物,堿溶漲丙烯酸類等配合使用,能夠使體協獲得最佳流變性能。Synthesis and characteristics of interpenetrating network hydrogels of poly acrylamide poly - n - isopropylacrylamide
聚異丙基丙烯酰胺互穿網路水凝膠的制備與性能First, three isozymic systems ( lactate dehydrogenase ( ldh ), esteraes ( est ), malate dehydrogenase ( mdh ) ) extracted from threepopulations of mandarinfishes were detected by discontinuous vertical plate polyacrylamide gel electrophoresis ( page ). several loci were tested but none polymorphic locus was detected in qiupu river population. the results showed that : ldh can be used as biochemical markers to identify these three populations of mandarinfishes
首先,本試驗採用聚丙烯酰胺凝膠電泳( page )對我省三個水域鱖魚群體3種同工酶( ldh 、 est 、 mdh )的不同基因座位進行了檢測,結果表明: ldh同工酶可以作為區分秋浦河鱖魚、長江鱖魚兩個群體與萬佛湖鱖魚群體的生化遺傳標記;其次,運用rapd技術分析了三群體鱖魚的基因組dna的多態性。Microbiology of food and animal feeding stuffs. horizontal method for the enumeration of coagulase - positive staphylococci staphylococcus aureus and other species. part 2 : technique using rabbit plasma fibrinogen agar
食品和動物飼料微生物學.凝膠水平計數方法.陽性葡萄球菌和其它屬.第2部分:兔原生質血纖蛋白質瓊脂培養基技術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。The bsa rejection increases as / decreases. the hydrophilicity of the surface of pvdf hollow - fiber membranes has been greatly improved and the antifouling ability increased obviously
Pvdf基膜表面引入pamps長鏈分子或者pamps凝膠層,親水性大為改善,抗污染能力明顯提高。This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved
第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,制備了對水中鉛離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。Mps can be dissolved without problems in the water - phase of water - in - oil or oil - in - water emulsions, as well as in most common water based gel systems
Mps (多磺酸粘多糖)不但能輕易地溶解於水包油的水相態或油包水的乳液態,而且能輕易地溶解于以水為基質的凝膠系統。Some novel bioelastomers, especially degradable bioelastomer, including network polyester, polyhydroxyalkanoate, poly ( ether ester ), polypetide, poly ( ortho ester ) and hydrogel, were reviewed
摘要綜述了網路型聚酯、聚羥基烷基酸酯、聚醚酯、聚肽、聚原酸酯和水凝膠等新型生物彈性體的研究進展。In this paper, the history, basic process and characteristic of the sol - gel theory and technology are first introduced in brief. then it presents the newly research progresses and the applications of the sol - gel method in preparing bulk, fiber, coatings and films, powder and complex materials. then the kind of sio2 - zro2 gel bulk glass - ceramic is prepared by using sol - gel method and the water - exchanging method
本文首先簡要介紹了溶膠?凝膠理論和技術的歷史背景、基本工藝過程及特點,並著重評述了溶膠?凝膠技術在制備塊狀、纖維、薄膜與塗層、粉末和復合材料方面的最新研究進展及其應用;採用溶膠?凝膠法與水置換法制備了尺寸較大的sio _ 2 - zro _ 2系玻璃-陶瓷,採用分步水解法制備了摻釹sio _ 2 - al _ 2o _ 3激光玻璃-陶瓷。In order to low the concentration of oh in material, sio2 and sio2 - zro2 gel glasses were fabricated by non - hydrolytic sol - gel ( nhg ) process. the structures of gel glasses were characterized by ir spectra. the concentration of si - oh in sio2 gel glasses fabricated by nhg was estimated and lower than that by hydrolytic sol - gel
材料中的殘余羚基( oh )可強烈碎滅近紅外發光,為有效降低材料中的羚基含量,採用無水瘩膠一凝膠工藝制備了5102 、 5102一zro :凝膠玻璃,用紅外光譜對其結構進行了表徵,並且估算了510 :凝膠玻璃中的si一oh含量。It is found that changing of catalyst and solvent will influence the relatively reaction velocity of hydrolysis and polycondensation and therefore change the pore structure of resulted silica gel glass matrix. as the result, the ideal prescription for silica gel glass matrix is proposed
確證通過調整催化劑和溶劑的種類及控制乾燥化學試劑的添加,可以改變水解和縮聚反應的相對速率,有效實現對硅氧凝膠玻璃基質孔結構的裁剪與設浙江大學博士學位論文計。In order to study the direct relation between oil - base drilling fluid performance and cement job quality, a new developed evaluation method ( artificial core method ) was adopted ; the effects of the oil - base drilling fluid system and its main components on the shear cementing strengths of the first and second interfaces in cementing operation were investigated ; and those of the different mix slurry ratios on the gel strength, initial set time, final set time of slurry and the compressive strength of bond cement were examined too
摘要為了研究油基鉆井液性能和固井質量之間的直接關系,採用新建立的評價方法人工巖心法,考察了油基鉆井液體系及其主要組分對固井作業中第一、第二界面剪切膠結強度的影響規律,以及不同混漿比例下對水泥漿膠凝強度、初凝時間、終凝時間和水泥石抗壓強度的影響規律。Phase transition of poly n - isopropylacrylamide hydrogels determined by fluorescence probe technique
異丙基丙烯酰胺水凝膠的相轉變The recombinant plasmid was translated into e. coli dh5 and the bacteria was induced with iptg. it was demonstrated by sds - page and western blot that a 22ku protein which was equal to chicken ifn - y protein in molecular weight was expressed in e. coli dh5
將重組質粒轉化大腸桿菌dh5 ,於37誘導培養8h , sds - page凝膠電泳表明該基因在大腸桿菌中獲得了高水平表達,表達的雞ifn -融合蛋白分子量約為22ku 。The achievement of this paper verifies that after - treatment technology with such pile has the functions of drainage solidification, cementing, vertical strengthen and change, which applies a new way to dealing with soft ground in freeway and other hostile foundation especially with bridge foot protection and flop at bridgehead
本文研究證明,無砂混凝土小樁后處理技術具有排水固結、膠結、豎向增強、置換等綜合作用,為高速公路軟基及其它不良地基特別是橋梁基礎加固以及橋頭跳車處理等提供了一條新的途徑。Methods : in the present experiment, acid dehydroxy amino acid analysis and isoelectric focusing in polyacylamide gels were used and the amino acid composition and isoelectric point of porcine platelet - derived growth factor were studied
方法:用酸水解及聚丙烯酰胺凝膠等電聚焦的方法測定豬血小板衍生生長因子的氨基酸含量、組成成分和等電點。( 2 ) using the monomer containing the element of nitrogen or silicon, the organic gels doped uniformly by nitrogen or silicon were synthesized and carbonized into nitrogen or silicon - doped carbon xerogels. the carbon xerogels doped by metal elements of cadmium, cerium and zirconium were also prepared by uniformly introducing into cadmium, cerium and zirconium in the synthesis of organic gels precursor. the performance of lithium ion storage and behavior of charge and discharge of these doped carbon anode materials were studied, and the effects of the level of doped elements on the structure of carbon materials, furthermore on the act of storing lithium ions were accompanyingly analysed
( 2 )通過利用含氮、含硅單體合成氮、硅元素均勻摻雜的有機凝膠,以及在前體合成中均勻引入cd 、 ce和zr金屬元素的方法,制備了氮、硅及cd 、 ce和zr均勻摻雜的多孔碳陽極材料,考察了這種摻雜碳陽極材料的儲鋰性能和充放電過程,分析了摻雜元素水平對碳材料結構,從而對其儲鋰行為的影響,並進一步分析了基於有機凝膠的多孔碳陽極材料的儲鋰機制。分享友人