查询词典 surfactant

The invention adopts surfactant of amphipathic block copolymer as structure-directing agent to be dissolved in alcohol solvent, and niobium sources and aqueous solution of inorganic salts are added as structural promoter to be stirred for a certain period of time in the room temperature to form colloid; the colloid is then heated and volatilized under low temperature to remove the solvent and dried and calcined under high temperature to obtain the mesoporous columbium oxide.

本发明将双亲性嵌段高分子表面活性剂作为结构导向剂溶解于醇类溶剂中，加入铌源和无机盐类水溶液作为结构促进剂，在室温下搅拌一段时间后形成胶体，低温下加热挥发除去溶剂，经干燥、高温焙烧而成。

The binary system containing the alkanolamide/HPAM and the three compound combination system containing alkanolamide/HPAM/alkali which was prepared, the interfacial tension between Daqing crude oil and system was researched, the compatibleness between alkanolamide surfactant of different carbon numbers and oily sewage was investigated.

配制了烷醇酰胺/HPAM二元驱油体系、烷醇酰胺/HPAM/碱三元驱油体系，考察了体系与大庆四厂原油的界面张力，研究了不同碳链长度的烷醇酰胺表面活性剂与大庆四厂油水的配伍性。

The surfactant-protein interaction was studied by conductometer in this work. According to experimental results, two models of the interactions between surfactants and proteins were deduced. One is hydrophobic interaction model; the other is electrostatic force model.

较系统地研究了溶液中离子型表面活性剂与蛋白质相互作用时电导率的变化，并根据实验现象得出表面活性剂与蛋白质作用的两种模式－疏水作用模式和电荷作用模式。

Therefore, we studied two levels of biochemistry processing water leakage again in turn after the ozone tower, the ceramic filter the tower and the activated charcoal tower union depth processing craft again, this place principle craft its COD remove rate was 72.8%, anionic surfactant medicinal preparation remove rate was 90.9%, petroleum class remove rate was 78.8%, the total phosphorus and total nitrogen remove rate separately was 73.8% and 82.7%, the final water leakage might directly use in the city afforests, flushes the restroom, eliminates and washes the vehicle and so on, had the good environment, the society and the economic efficiency.

为此，我们又研究了二级生化处理出水再依次经过臭氧塔、陶滤塔与活性炭塔的联合深度处理工艺，该处理工艺其COD去除率为72.8%，阴离子表面活性剂去除率为90.9%，石油类的去除率为78.8%，总磷和总氮的去除率分别为73.8%和82.7%，最后出水可直接用于城市绿化、冲厕、扫除及洗车等，具有良好的环境、社会和经济效益。

The color reaction of the cationic dye crystal violet, with anionic surfactant, sodium dodecyl sulfate was studied in this paper.

本文研究了碱性染料与阴离子表面活性剂十二烷基硫酸钠的显色反应。

Application of the material characteristics of the absorption spectra were studied under different conditions of crystal violet and the anionic surfactant sodium dodecyl sulfate to form ion-association complex of the purple of the optical properties.

应用物质的吸收光谱特性，研究了不同的条件下结晶紫与阴离子表面活性剂十二烷基磺酸钠形成的紫色离子缔合物的光学特性。

In this paper, for the first time, introducing Gemini surfactant to application of oil field. Adoptting method different from ordinary method which evaluatesthe fracturing fluids" capacity of suspending proppant--recur to densimeter toquantificationally test the viscoelastic surfactants fracturing fluids" capacity of suspension.

本文首次将双子表面活性剂引入油田应用中，并采用了不同于常规评价悬浮性能的方法—借用液体密度计对压裂液配方的悬浮性进行定量测试。

Experimental study of depressurization and augmented injection with surfactant of low concentration is carried out in several low permeability oilfields.

在绝对渗透率难以改变的客观条件下，通过改变油、水及岩石间的界面张力，从而改善油、水渗流性，提高水相渗透率，降低低渗透油层注入压力，并在一些低渗透油田开展了低浓度活性剂降压增注试验研究，取得了一定的效果。

The properties of this surfactant were examined by numbers, including surface tension, foaming power, wetting power, emulsification, detergence, dispersion ability, stability in hard water and thermal stability.

对产物双十二烷基乙氧基二硫酸酯钠进行系统的性能研究，包括表面张力、泡沫力、润湿力、乳化力、去污力、分散力、在硬水中的稳定性和热稳定性等。

The surfactant was suitable to compound detergent for heavy oil contamination, showing strong detergence, moderate foam, fine stability, innocuity, and low-cost merit.

该表面活性剂适合配置重油污型的洗涤剂，具有去油污力强，泡沫适中，稳定性能良好，无毒，成本低廉等优点。

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。