查询词典 surfactant

In the system,cetyltrimethylammonium bromide was used as surfactant,octane was used as solvent and butanol was used as co-solvent.

在反胶束体系中采用十六烷基三甲基溴化铵作为表面活性剂，正辛烷和丁醇作为溶剂及助溶剂。

It has been shown that the nonionic surfactant has marked inhibiting effect on the corrosion of carbon steel.

结果表明，平平加0-20对碳钢在酸中的腐蚀具有一定的抑制作用。

3The adsorption of carboxylate on oil sand increases to maximum and then decreases with the increasing of surfactant concentration.

改性植物羧酸盐SNHD吸附量随着活性剂浓度的增加出现一最大值，然后下降。

The results showed that the low interface tension is contributed by the carboxylate surfactant,but the transient process is caused by the interface active agents produced from the reaction between base in water and organic acid in crude oil.

结果表明，低界面张力主要是石油羧酸盐活性剂的贡献，而动态LIFT过程是由水相中碱与原油中的有机酸反应生成的界面活性物质引起的。

The preparation process includes the following steps: dissolving activator and RE oxide in the molar ratio of 0.01-0.02 in concentrated nitric acid and heating to dry, dissolving the obtain RE nitrate in deionized water to obtain solution of RE nitrate; dissolving soluble tungstate and surfactant in deionized water to obtain tungstate solution; mixing the RE nitrate solution and the tungstate solution through stirring to reaction for 25-60 min to obtain white precipitate; hydrothermal reaction of the precipitate in a reaction kettle at 100-260 deg.c for 24-72 hr; centrifugally separating, washing and drying to obtain the product.

浓硝酸的加入量保证稀土氧化物溶解就可以，过量的硝酸可以加热除去；将可溶性钨酸盐和表面活性剂溶解于去离子水中，得到钨酸盐溶液，表面活剂性的加入量为反应原料重量的0-30wt％；将稀土硝酸盐溶液加入到钨酸盐溶液中搅拌，发生沉淀反应，磁力搅拌时间为25-60分钟，得到白色沉淀；将含有沉淀物的溶液作为前驱物加入到反应釜中，发生水热反应，反应温度为100-260℃，反应时间为24～72小时；离心分离，洗涤，干燥，即得所需产物。

Meanwhile, few surfactant\|2 formed monolayers and a paraffin complex with the chain straight...

此外 ，还使得有机粘土的含水量和吸湿率较原土有显著降低。

Of all chemicals, surfactant and chelator are well received for their properties of solubilization, mobilization and chelation, and so on.

当前对表面活性剂去除土壤中重金属污染的研究多处在实验室阶段，且主要是用在实验室柱淋洗和批试验中，不能有效地应用于实际。

In Chapter 2, enantioseparations of four pairs of neutral and poorly water-soluble organophosphorus pesticides enantiomers were achieved by using natural chiral surfactant sodium cholate either with sodium dodecyl sulphate or with γ-cyclodextrin in nonaqueous solvent or aqueous-organic solvent systems.

第二章在非水介质或水相/有机介质中，或将天然表面活性剂胆酸钠与阴离子表面活性剂十二烷基硫酸钠构成混合手性胶束，或将胆酸钠与γ-环糊精构成二元手性协同体系，用于中性疏水有机磷农药对映体的手性拆分。

It also demonstrates that using enzymes in other processes in beamhouse will result in decreasing of operation time and the dosage of hazardous materials such as sodium sulfide, surfactant etc, increasing of amount of fixed chrome in leather and raising yield of leather and qualities.

利用生物酶技术进行绵羊服装革生产时，应注意选择合适的复鞣、加脂剂，进行适当的配伍，并选择合适的加料顺序和方法，以得到最佳的坯革质量。选择合适的整理方式、涂饰材料和涂饰方法对绵羊服装革的外观和内在质量也很重要。

Some relative researches for the removal of surfactant in the chunnel of molecular sieves were investigated.

并对介孔分子筛孔道內表面活性剂去除进行了相关研究。

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。