活性剂

A mathematical model of the semibatch foam fractionation of surfactants was developed. Foam bed is assumed to consist of equal dodecahedral bubbles at any cross section.

本文建立了间歇式泡沫分离水中表面活性剂的模型，假设所有气泡均为正十二面体，在塔的每一截面上，泡沫半径均一。

In the absence of electric double layer forces, an expression for induction time is obtained.

在忽略双电层作用的情形下，得到了感应时间与表面活性剂扩散速率、粒子以及气泡大小等因素之间的关系式。

This text mainly studied a not- symmetry type a quarter a 铵 salt double a with live sub- surface to synthesize and token, measuresed the surface tension of its aqueous solution, and compute it critical gum to tie a density.

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。

Results showed that more than 72% PAH at soil/oil ratio of 1:1 was removed from high (200 mg/Kg) and low (50 mg/Kg) PAH contaminated soil with the equilibrium time 24 h. It was estimated that soybean oil can remove more than 70% PAH from 4200 mg/Kg contaminated soil. If a sequence of double extraction of the

结果显示，土壤和大豆油於 1：1 比例，平衡时间为 24 小时条件下，对於 anthracene (50， 200 mg/Kg)土壤脱附效率皆为 72%，计算萃取 4200 mg/Kg 的污染土壤，其萃取效率仍可维持於 70%优於 SDS、TX-100、Tween 80 等界面活性剂。

According to these experimental results quantitative models for foam drayage and relationship among superficial gas velocity, gas hold-up in bubble zone and surfactant concentration were obtained.

并在此基础上，由实验结果得到了关于泡沫排液的定量模型，以及鼓泡区内气含率、空塔气速、溶液表面活性剂浓度等参数之间的定量关系。

The process is carried out by taking organic acid and sulfoxide chloride as raw materials, acyl chloride synthesizing, reacting ethylenediamine with sodium chloroacetate to synthesize intermediate sodium EDDA, and reacting it with acyl chloride to synthesize the final product.

所述双子烷基羧酸盐表面活性剂是由以下方法制得的，以有机酸和氯化亚砜为原料首先进行酰氯的合成，再用乙二胺与氯乙酸钠反应合成中间体乙二胺二乙酸钠，将中间体乙二胺二乙酸钠与酰氯反应合成终产物。

They can reduce partial pressure of H2 in electric arc and source of H2 in pool.

四种活性剂都能降低电弧中氢的分压，减少熔池中氢的来源。

Surfactants can adsorb to the surface of SAMs and change its structure and properties. So they have been the focus in electrochemistry and electroanalysis, especially the new types of surfactants, gemini surfactants.

表面活性剂能够在自组装膜表面发生吸附，从而改变自组装膜的结构和性质，因此在电化学分析中有较广泛的应用。

This study was performed to investigate the electrochemical oxidation of anionic surfactants.

该研究调查了氧化的阴离子表面活性剂。

Nanometer Ag film is deposited on the interface of surface active agent and electrolyte by electrodeposition process.

采用电沉积方法在表面活性剂与电解液的界面上制备了银纳米膜。

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。