表面活性剂的

The drag-reducer used in the present test is cetyltrimethyl ammonium chloride surfactant combining with the same weight concentration sodium salicylate.

本次试验所用的减阻剂为十六烷基三甲基氯化铵表面活性剂，同时配以等质量浓度的水杨酸钠。

The aqueous foaming composition comprises a carbonised saccharide mixture, a surfactant, water and optionally further agents including thickeners, solvents, stabilisers, buffers, corrosion inhibitors and preservatives.

该含水发泡组合物包含碳化糖混合物、表面活性剂、水和任选的其它试剂，所述的试剂包括增稠剂、溶剂、稳定剂、缓冲剂、腐蚀抑制剂和防腐剂。

Choosing the main components of a liquid detergent :surfactants is a key factor in confecting liquid detergent .

液体洗涤剂的主要组分是表面活性剂，其选择是配制液体洗涤剂的关键。

Results of the studies have comfirmed that surfactants cause the NAPLs to desorb from soil strongly and enhances the transferability of NAPLs through soil by improving their dissolution in liquid and fluid ability in soil. So the efficiency of pump-treat method can be improved by the surfactants.

大量研究表明，表面活性剂能促进NAPLs从土壤颗粒中解吸，并通过增溶和增流作用改善NAPLs在土壤中的溶解和迁移能力，进而提高抽出处理法的去除效率。

Under the catalysis of ammonia, tetraethoxysilane hydrolysed and polymerized to form the silica nanoparticles.

将环己烷、正己醇和表面活性剂Triton X-100按一定体积比(12.3∶1.04∶1)混合均匀，形成清澈透明的溶液；将适量的四羧基铝酞菁溶解到浓氨水中，加入到上述混合溶液中，形成反向胶束。

The effects of the shear rate of the magnetic fluid, the volume fraction of the suspended magnetic particles, concentration of surfactants and the external magnetic field strength as well as the orientation on the viscosity of the magnetic fluid are analyzed.

采用毛细法粘度计测量了水基Fe铁磁流体和水基Fe_3O_4铁磁流体的粘度，分析了不同剪切速率、磁性粒子体积份额、表面活性剂含量、温度以及外加磁场强度和方向等因素对铁磁流体粘度的影响。

The results indicated that methyl cellulose (MC20) was a suitable surfactant to control the particle morphology of atorvastatin calcium.

研究结果表明：表面活性剂甲基纤维素(MC20)可以有效地控制颗粒形貌；改变溶液浓度及体系温度可以调整颗粒大小；混悬液经喷雾干燥得到的干粉是粒度分布均匀的团粒状类球形颗粒，粒径约为1μm。

It was found that the adding of non-ionic surfactant increased the activity and stability of enzymes.

原因是非离子表面活性剂分子降低了反胶束离子层的电荷密度，减弱了可导致酶变性的静电相互作用。

A type of novel non-ionic Gemini surfactant was synthesized from dimer which was obtained from nonyl-phenyl and formaldehyde.

以壬基酚和甲醛的二聚体为原料，合成了一种新型结构的非离子双子表面活性剂，总收率为20%。

The relationship between the structure of amphiphiles and the formation of vesicles had been analyzed in a systematic way.

结合实验结果和前人的理论，系统地总结了不同类型表面活性剂及其混合体系形成囊泡的条件和规律。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新