親水親溶性 的英文怎麼說
中文拼音 [qīnshuǐqīnróngxìng]
親水親溶性
英文
amphipathy-
A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate
對稀溶液中溶質的固/液吸附體系，首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附，也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此，吸附質的表面相濃度cs具有真實濃度的含義，相應地，計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨（ dtab ）和溴代十六烷基三甲銨（ ctab ）與羊毛纖維構成的液/固體系分配系數等，為溶質吸附的熱力學研究奠定了基礎Unicolor and lilium asiatic hybrids or cultivars in lilium asiatic hybrids were researched with their parents by karyotype, soluble protein, esterase isoenzyme and peroxidase isoenzyme. the results provided identification markers of cytology and biochemistry for hybridization at the early stage in lily breeding programs. the cluster analysis according to similarity coefficient of soluble protein and peroxidase showed that " yellow " and " omega " have the most closest relation in lilium asiatic hybrids
本研究對百合屬幾個植物的親緣關系進行了可溶性蛋白質、過氧化物酶同工酶分析，同時對亞洲百合雜交系內雜交及其與原種系間的雜交後代進行了核型、可溶性蛋白質、過氧化物酶和酯酶同工酶分析，以期為百合屬植物親緣關系分析提供生化依據，以及為雜交後代的早期鑒定提供細胞學、生化水平的檢測指標。Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon
採用高錳酸鉀氧化預處理的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。An amphiphilic compound has a polar head which dissolves in water ( hydrophilic ) and a water insoluble organic tail
雙親分子有一個能溶解在水中的極性基團和一個疏水尾。A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity
報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑（溴化十二烷基三乙銨/十二烷基硫酸鈉）分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基，研究蛋白質在雙水相體系中的親和分配.結果表明，在該體系中，表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成，不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性2 ) basis of upon studies, we have also designed and sythesized the mutation ii of the cmiv that been greatly changed in the 3 " of the gene comparing with nature cmiv : the ht gf3 ( the third loop region of htgf2 specifically binding to egfr receptor ) was fused to 3 " of gene of cmiv through a flexible linker. the gene of the mutation ii of cmiv was sequenced and clonged to the vector of ptxfus to fuse to the 3 " of gene of thioredoxin
二、在以上研究的基礎上，對cmiv抗菌肽的c端進行較大的改造，即將與腫瘤細胞過度表達的表皮生長因子受體（ egfr ）具有高親和性的因子多肽tgf _ 3通過疏水柔性接頭連接在抗菌肽cmiv的c端，設計完整的基因，並在大腸桿菌中利用ptxfus表達載體與硫氧還蛋白進行可溶性融合蛋白表達。It is the especial congregate structure of polymer matrix that is necessary for the forming of three - dimensional interpenetrate network between the polymer and copper. the mma unites lead to the advantage of improving fiexibity of the film, destroying the formal arrangement of macromolecule chain in polymer and decreasing the degree of crystallization. the ita unites help the solvolyzed copper ion transfer in the film and benefite the forming and establishment of the networks of polymer matrix
聚合物基體特殊的聚集態結構是互穿立體網路形成的必要條件，皿m的加入有利於破壞丙烯睹大分子鏈的規整性，使結晶度降低，提高聚合物的柔韌性，含親水基團的單體（ ita 、 as ）存在有利於降低離子遷移的界面能，提供溶劑化銅離子遷移的途徑以及聚合物基體網路結構的形成和穩定。Our goal is to establish a simple and effective empirical approach to calculate the conformational entropy and the binding free energy by analysis of j : protein interface. three variables of the binding interface information of 20 protein complexes, including the binding accessible number ( nb ), hydrophilic pair ( n ^, ) and apolar solvent - accessible surface areas ( & asaapol ) are analyzed
本論文在此分析了20組蛋白質二聚體分子的結合界面三個有效的參數信息，即界面殘基側鏈可接觸數（ n _ b ） 、親水對數（ n _ （ pair ） ）和非極性溶劑可接近表面積的變化（ asa _ （ apol ） ） 。Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process
將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值In addition, the preparation of aqueous starch microgel with aqueous solution as reaction environment has been studied. the results show that the important factors affecting the formation of starch microgel are surfactant content, concentration of starch and conversion efficiency of cross - linking reaction
另外，本論文研究了用水溶液作為反應環境制備親水性澱粉微凝膠，研究得到表面活性劑含量、澱粉液濃度及交聯反應的轉化率是影響澱粉微凝膠形成的主要因素。The research discovered that the nitric acid oxidation may remarkably increase, the activated charcoal surface acidic groups and bases the content, enhances the activated charcoal the superficial water affinity, falls to the phpzc value, and creates the activated charcoal structure to cave in the reduction which accumulates with the relative surface. thus in the activated charcoal adsorption drinking water has the slight pollutant performance to have the serious influence
研究發現:硝酸氧化可顯著增加活性炭表面酸性基團的含量，提高活性炭的表面親水性，降低phpzc （水溶液中固體表面凈電荷為零時的ph值）值，並造成活性炭結構塌陷和比表面積的減少。使活性炭吸附飲用水中有機物的能力大大降低。Henan road technologies limited is a pure chemical production of fine chemicals mainly to study the high - tech enterprises, is the production of carbon jimiji surface - active agents, and conventional carbon surface active agent than its spot, more pro - oil base, a number of lower - level critical jiaoshu concentrations may increase as the number of levels of reactive surface in the extremely low concentrations of an outstanding performance, and some anions and surface active agent hunrong without precipitation
河南省道純化工技術有限公司是一家以研究生產精細化學品為主的高新技術企業，現生產多種吉米奇陽離子表面活性劑，與常規陽離子表面活性劑相比，其親水、親油基更多，可成數量級降低臨界膠束濃度，可成數量級提高表面活性，在極低濃度下即具有優異的性能，並可和部分陰離子表面活性劑混溶而不沉澱。Easy to dissolve in the water, contains water the ethyl alcohol and contains water trimethylene glycol and so on water affinity the solvent, assumes the bright blue color, does not dissolve in the organic solvent
深藍色粉末易溶於水，含水乙醇及含水丙二醇等親水性溶劑，呈鮮明藍色，不溶於有機溶劑分享友人