助表面活性剂

表面活性剂和助表面活性剂对镍的缓蚀作用

Effect of Surfactant and Cosurfactant on the Protecting Corrosion for Nickel

考察了表面活性剂浓度、助表面活性剂的种类及浓度、内水相盐度及pH值等因素对微乳液最大增溶水量的影响。

Effect of many factors , such as surfactant concentration , the kinds and concentration of cosurfactant , inner water phase salinity and pH value , on water content of the microemulsion were studied .

乳状液液膜体系中助表面活性剂LA的作用及其应用研究

Study on the Function of Cosurfactant LA in Emulsion Liquid Membrane System and Its Application

在萃取实验中，我们考察了接触时间、助表面活性剂浓度、表面活性剂浓度、水相pH值、离子强度和种类、温度等对萃取的影响。

Forward extraction process parameters such as contact time , the surfactant concentration , co-solvent concentration , pH , ionic strength and species of the initial aqueous phase were investigated .

在十六烷基三甲基溴化铵（CTAB）与硝酸形成的胶束体系中，分别加入正戊醇与正辛胺作助表面活性剂，合成出介孔二氧化硅。

Mesoporous silica was synthesized and templated by mixed micelles of cetyltrimethylammonium bromide ( CTAB ), n pentanol or n octylamine and nitric acid .

助表面活性剂正丁醇可作为缓蚀调节剂，其加入可控制金属镍在HCl水溶液中的腐蚀速率。

The cosurfactant butanol can be used as inhibiting adjuster , and can control and change the corrosive rate of Ni in HCl ( aq ) solution .

微乳液是由表面活性剂、助表面活性剂、油和水以一定比例组成的热力学稳定体系，粒径在10～200nm之间，界面张力极低。

Microemulsion that consist of surfactants , cosurfactant , oil and water at a certain percentage is a thermodynamic stable system with the particle radius of 10 ~ 200nm . Its interfacial tension is very low .

自乳化药物传递系统（SEDDS）是由油、表面活性剂和助表面活性剂组成的均一混合物，当它进入胃肠道遇到水相介质可在轻微搅拌和胃肠的蠕动下自发乳化形成乳剂。

Self-emulsifying drug delivery systems ( SEDDS ) are homogeneous mixtures of oils , surfactants and cosolvent , which are emulsified in aqueous media under conditions of gentle stirring and digestive motility that would be encountered in the gastrointestinal tract .

离子液体既可以充当溶剂，也可以充当盐、表面活性剂以及助表面活性剂等角色。

Ionic liquid can act as solvent , also as salts , surfactants and co-surfactants .

以有机酸为助表面活性剂的微乳液研究

Microemulsion with organic acid as cosurfactant

在此基础上，通过进一步筛选助表面活性剂，确定了5%S-氰戊菊酯微乳剂的稳定配方。

On the basis , 5 % esfenvalerate microemulsion formulation was determined by screening cosurfactant furthermore . 2 .

本文选用聚氧乙烯醚类非离子表面活性剂，配合醇类助表面活性剂在非极性有机溶剂中形成了反胶束溶液。

In this paper , polyoxyethylene ethers nonionic surfactants were applied with cosurfactants to form reverse micelles in organic solvent .

采用表面活性剂和助表面活性剂将含油样品乳化成微乳液，用紫外分光光度计直接在水相中进行了炼油厂“三泥”治理过程中污水中油含量的二阶导数法直接测定。

A method for the direct determination of oil content in refinery wastewater by second-order derivative ultraviolet spectrophotometry was proposed .

微乳液是热力学稳定，宏观均相，光学透明或半透明的溶液，它由水、油和表面活性剂组成，往往微乳液的形成有助表面活性剂的参加。

A microemulsion is a thermodynamically stable , isotropic , optically transparent solution consisting of water , oil and a surfactant .

研究了水相氢离子浓度，表面活性剂，助表面活性剂浓度等对微乳液导电性能的影响。

The effects of H + concentration in water phase , concentrations of surfactant and cosurfactant on the microemulsion conductivity were studied .

方法：使用不同纯度的卵磷脂作为表面活性剂，无水乙醇为助表面活性剂，十四酸异丙酯为油相制备液晶。

Methods : LC was prepared with lecithin of various purity as surfactant , isopropyl myristate as oil phase and anhydrous alcohol as co-surfactant .

不同助表面活性剂对药用微乳形成的影响微乳黏膜给药系统的应用与研究进展

Basic study on different co-surfactant O / W pharmaceutical microemulsions Recent advances in the development and application of microemulsion in mucous membrane drug delivery system

介绍了微乳液的概念、制备、形成理论及助表面活性剂在微乳液中的作用。

This paper introduces the conception , preparation and the theory of formation of microemulsion , especially , referred to the effect of cosurfactant in microemulsion .

主要针对胜利石油磺酸盐与助表面活性剂的二元驱体系中，研究其在油藏条件下，驱油体系的静、动态吸附规律与色谱分离特征。

The static and dynamic adsorption law and chromatographic separation character of flooding system of Shengli petroleum sulfonate ( SLPS ) and assistant surfactant have been studied .

微乳液是两种互不相溶液体在表面活性剂（有时还需助表面活性剂）作用下自发形成的均一透明、热力学稳定的分散体系。

Microemulsions are transparent , thermodynamically stable dispersions made up of two liquids , incompatible with each other , stabilized by surfactants ( sometimes cosurfactants are needed ) .

探讨了汽油微乳体系中，不同乳化方式、表面活性剂的配比、助表面活性剂对掺水量和稳定性的影响；

The influence of different emulsion process , mixture ratio of surface active agent and cosurfactant to the watering quantity and stability in the petrol microemulsion system was discussed .

讨论了盐浓度、助表面活性剂等对微乳液体系相态的影响，对影响体系界面张力的因素也进行了探讨。

The influences of salt concentration , cosurfactant on the phase behavior of the microemulsion system were discussed , and the factors influencing the surface tension were also discussed .

石油磺酸盐与助表面活性剂存在一定色谱分离，且二元驱中聚合物的加入加大了这种色谱分离效应。

There is chromatographic separation in some extant when inject SLPS and assistant surfactant together , the effect of chromatographic separation is more obvious when adding HPAM in flooding system .

该微乳酸体系是把常规酸与油、表面活性剂以及助表面活性剂混合在一起形成一种均匀、透明的体系，具有很高的稳定性。

The " micro-lactic acid " system is the conventional acid and oil , surfactant and cosurfactant mixed together to form a homogeneous , transparent system , with high stability .

微乳液是由水，油，表面活性剂与助表面活性剂在适当比例自发形成的一种透明或半透明的，低粘度的，各向同性且热力学稳定的油水混合体系。

Microemulsion , which are made from water , an organic solvent , a surfactant and a cosurfactant , are transparent , low viscosity , isotropic and thermodynamically stable dispersion systems .

微乳液一般是由表面活性剂、助表面活性剂、油和水在适当的比例下自发形成的透明或半透明、低粘度和各向同性的热力学稳定体系。

Microemulsions are normally formed spontaneously by surfactants , co-surfactants , oil and water in appropriate proportions , which are usually isotropic transparent or translucent system with low viscosity and are thermodynamically stable .

目前已上市的雷帕霉素制剂主要是口服微乳制剂，服用前需要加水乳化成乳剂，其中含有大量表面活性剂及助表面活性剂，长期频繁口服给药，可能会造成胃肠道粘膜损伤。

At present , the marketed formulation of RAPA is emulsion , which contains considerable quantities of surfactants and co-surfactants , which may cause mucosa damage of the gastrointestinal tract for frequent long-term use .

研究结果表明：当助表面活性剂与阳离子表面活性剂的质量比为2时，制得的微乳汽油中掺水量最适宜燃烧；

The result indicates that , when the mass ratio of the cosurfactant to the cationic surface active agent is 2 ∶ 1 , the watering quantity of the petrol microemulsion is most suitable to combustion ;

微乳是一种流动的、透明的、热力学稳定的油水混合系统，由表面活性剂和助表面活性剂共同起稳定作用。其中助表面活性剂通常为短链醇、胺或其他较弱的双亲分子。

Microemulsions are fluid , transparent , thermodynamically stable oil and water systems , stabilized by a surfactant usually in conjunction with a cosurfactant , which may be a short chain alcohol , amine or other weakly amphiphilic molecule .

表面活性剂复配一定量的助表面活性剂，比乳化剂的表面活性更高些。乳化降粘技术降粘幅度大，使用简单易行，但后续处理工艺难度大，增加了成本支出。

Surfactants with a certain amount of cosurfactant would be higher than emulsifier surfactant . A large range of reduction is emulsion viscosity , simple of use ; but the post-processing technique is very difficult so that cost much .