查询词典 surfactants

We investigated the saturated solubilities of NMD in various vehicles and the coeffect between all kinds of oils and surfactants.

本实验中我们考察了尼莫地平在各种介质中的饱和溶解度，以及各种油相与乳化剂配伍情况。

Analyze the reason of LAS(12-s-12) and different surfactants combinate create different synergistic effect.

分析了LAS(12-s-12)与不同类型表面活性剂复配产生不同协同效应的原因。

Results indicate that as the molecular mass of polyethylene glycol increases, the conductance is increased obviously, and the surface tension is decreased from 36.28 mN/m to 31.30 mN/m, while the cloud point is increased from 39.6 ℃ to 58.9 ℃. Their emulsifying abilities to BA, MMA and BMA are superior to that of OP-10, and the surfactants is homopolymerize or copolymerize with acrylate at 70 ℃ under the initiation of AIBN.

结果表明，随聚乙烯醇分子量的增加，非离子表面活性剂的电导率显著增加、表面张力由36.28 mN/m降低至31.30 mN/m、浊点由39.6 ℃增加至58.9 ℃，对丙烯酸丁酯、甲基丙烯酸甲酯和甲基丙烯酸丁酯的乳化能力均优于常用乳化剂OP-10，以AIBN作引发剂在70 ℃下既能均聚又可与丙烯酸酯进行共聚反应。

The bleach boosting comprounds are ideally suited for inclusion into bleaching compositions including those with detersive surfactants and enzymes.

该漂白增效化合物理想地适合于引入包含洗涤表面活性剂和酶的漂白组合物中。

Chapter four. Two glucosamide-based trisiloxane Gemini surfactants which were connected with the short carbon chain dialcohol diglycidyl ether spacer were synthesized and their properties were determined. These compounds were structurally characterized by their 1H and 13C NMR spectra and elemental analysis.

界面性能通过K12表面张力仪测定，在临界聚集浓度CAC为1一3、10一5时可以显著地降低水的表面张力值至约21 mN/m，比连接基为低碳链二缩水甘油醚的略低，其CAC值随着乙氧基数的增加而增加，其CAC值比相应的单体低1~2个数量级，而且有两个CAC值。

This task mostly synthesis dialkyl disulfonic sodium diphenyl methane and dialkyl disulfonic sodium diphenyl aether gemini surfactants.

本论文合成了二苯甲烷类与二苯醚类两类双烷基双磺酸基阴离子双子表面活性剂。

We used phospholipid, Epikuron 200, and cholesterol as material to prepare liposome formulation, and discuss the effect of liposome formulation which contain phospholipid and cholesterol or the mix of ionic surfactants such as stearylamine, dicetyl phosphate and nonionic surfactant such as Tween 80. For the three group that physical properties of drug entrapment efficiency, particle size and stability of formulation on day 0, 14, 21 and 30 were respectively compared, and further, we were sieve out optimization of formulation.

我们利用Epikuron 200之磷脂质，以及胆固醇作为制备微脂粒处方之材料，并探讨处方不加或分别加入表面修饰剂stearylaminem与dicetyl phosphate以及非离子界面活性剂Tween 80对处方之影响，且比较此三组微脂粒的物理性质，包含包埋率、粒径大小以及处方在第0、14、21、30天之安定性的变化，进一步筛选出理想之处方。

The effect of short chain monohydric alcohols (ethanol, n-butanol) and dihydric alcohols (ethyleneglycol, 1,4-butanediol) on the aqueous two-phase system of cationic and anionic surfactants is studied.

研究了短链一元醇和二元醇(乙二醇、1，4-丁二醇)对正负离子表面活性剂混合溶液(十二烷基硫酸钠-十六烷基三甲基溴化铵-水)双水相的影响。

Structure has been shown to be of the utmost importance in the solution properties of aqueous dimeric surfactants.

在此基础上，本论文以壬基酚为原料，合成得到一系列Gemini阳离子表面活性剂及其中间体。

This paper mainly studied the synthesis and characterization of some dissymmetric bis-quaternary ammonium gemini surfactants, then determined the surface tensions of their water solutions, finally calculated their critical micelle concentrations and build a surface tension-concentration model.

本文主要研究了非对称型季铵盐双子表面活性剂的合成与表征，测定了其水溶液的表面张力，并计算出其临界胶束浓度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。