活性剂

Compared with control plant growing in NS with phenanthrene alone, phenanthrene level in cucumber root decreased but above-ground phenanthrene level remained un-affected in NS with phenanthrene and Tween 80 at supra-CMC.

在含有菲和表面活性剂的营养液中培养黄瓜幼苗时，大于CMC的Tween 80处理使黄瓜根中菲含量下降，而地上部分菲含量受营养液中表面活性剂的影响不显著。

A series of liquid laundry detergents with high efficient detergency were formulated by choosing appropriate anionic surfactants and nonionic surfactants.

以提高洗衣液的去污力为目标，通过调整阴离子表面活性剂和非离子表面活性剂之间的比例，设计配制了一系列的洗衣液样品，分别测定各种配方20℃时洗涤国标污布前后的表面反射率，从而得到相应的去污比。

The synergic effects between 1,4-Bis(α-alkylpyridinium)butane/hexane Dibromide gemini surfactantsand sodium dodecyl benzoic sulfatehave been studied,the effect of the ratio of GPS/SDBS on the surface tension and critical micellar concentrationof the mixture have been investigated.

研究了溴化1，4/1，6-双-α-烷基吡啶丁烷/己烷双子表面活性剂与普通阴离子表面活性剂十二烷基苯磺酸钠之间的协同效应，考察了二者复配比例对体系表面张力和临界胶束浓度的影响。

The variation of particle size in dispersed phase was determined by the changeable value of interface tension.

本文认为，两相之间的界面张力是影响分散体系最终结果的内在因素，界面张力的变化从根本上决定着分散体系中分散相粒子的大小；表面活性剂分子在界面上的排列方式是影响界面张力的主要因素；临界胶束浓度CMC是决定界面上表面活性剂分子排列情况的定量判据。

The influence of pH value and surface surfactant coating on the dispersibility and stability of water-based Fe3O4 magnetic fluid was also studied.

制备了水基Fe3O4铁氧体磁流体，研究了载液pH值、表面活性剂包覆等对磁流体分散性及稳定性的影响以及纳米颗粒与表面活性剂之间的结合。

As a result, When different inorganic electrolyte and combined use of ionic and nonionic surfactants are applied,excellent dispersion system of alkalescent aqueous medium can be obtained.

结果表明：添加无机电解质及组合使用离子型表面活性剂和非离子型表面活性剂可以使纳米CeO2在弱碱性水介质中保持良好的分散性。

Double son quarter the 铵 salt surface live is a type of new double with live sub- surfaces, it is pass to unite to connect 基 regiment 2 two close body at head 基 or tight depend head the 基 conjunction get up of compound.

双子季铵盐表面活性剂是一类新型的双子表面活性剂，它是通过联接基团将两个两亲体在头基处或紧靠头基处连接起来的化合物。

The authors , through research of the wettability of surfactants on coal dust , putout a dustfall agent with good performanc discussed the influence of inorganicelectrolytes and temperature on the wettability of surfactants .

本文通过研究表面活性剂对煤尘的润湿性，提出了性能优良的降尘剂；并讨论了无机电解质及温度对表面活性剂润湿能力的影响。

Gemini surfactants are novel surfactant with especial molecule structure, which are made up of at least two hydrophilic groups and two hydrophobic groups. They are connected at the level of the head groups by a spacer groups through chemical bond (covalent bond or electrovalent bond).

孪连表面活性剂是一种结构较为特殊的新型表面活性剂，其分子中至少含有两个亲水基和两条疏水链，在其亲水基或靠近亲水基处，由联接基团通过化学键联接在一起。

ADPODS posses stable Surface chemical properties when dissolved in 10% sulfuric acid, 10% sodium hydroxide or 10% sodium chloride aqueous solutions. ADPODS s emulsifiability and detergency at 650mg/L water hardness are very good.4 The micellar aggregation number of C16-MADS was determined by molecule fluorescence probe method.

采用分子荧光探针法测定了C_(12)-MADS与C_(16)-MADS的胶团聚集数，在一定的表面活性剂溶液浓度1.25×10~(-2～1.10×10~(-1)mol·L~(-1)范围内，N_m随浓度的增大而线性增大；体系温度和NaCl浓度对N_m的影响极小；胶团内核的微极性明显大于传统阴离子表面活性剂。

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。