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汉语拼音：biǎo miàn huó xìng jì

能显著降低溶液表面张力的物质。其分子常由亲水基团和疏水基团组成。在液体中趋向集中于该液体和另一相的交界面而起润湿、乳化、分散等作用。有阴离子型、阳离子型、非离子型和两性型等不同类型的表面活性剂。常用作洗涤剂、乳化剂、分散剂、润湿剂、发泡剂等。

• The micelles'solubilizing technology was one of the important effects of surfactants.

  胶束增溶技术是表面活性剂的一个重要作用。

• When ultrasound irradiates the oil and the surface active agent is mixed into, the emulsion is stable and its viscosity is smaller.

  在原油中掺入表面活性剂，再经超声处理后，形成的乳状液比较稳定，其粘度也较小。

• Nonsurfactant additives known as "builders" have long been used to improve detergent action of surfactants.

  剂的添加剂称作助洗剂，长期以来用以改进表面活性剂的去污作用。

• In terms of its different hydrophilic group, surface-active agent can be classified into cationic, anionic and non-ionic surfactants.

  根据亲水基团的不同，表面活性剂从化学角度可分为阳离子、阴离子、非离子及两性表面活性剂。

• CdS nano film is deposited at the interface of the surface active agents and the electrolyte by the method of electrodeposition.

  采用电沉积方法在表面活性剂和电解液的界面制备了硫化镉纳米膜。

• Soil columns are used for the dynamic study of the cationic surface activator's effect on clay for intercepting water borne oil.

  本文用土柱装置进行了阳离子表面活性剂对粘土截留水中油类影响的动态研究。

• It must be innocuity, and has no stimulation, no side-effect and noninteracting with medicine.

  医药中表面活性剂必须无毒、无刺激、无副作用且不影响药性。

• Adding surfactant will be able to improve solution's viscoelasticity and sweeping volume as well.

  加入表面活性剂可以使聚合物溶液的粘弹性得到改善，更有助于提高体系的波及体积；

• In November 2002, the name was changed to Sasol (China) Chemical Co. Ltd. after the company has become a fully owned Sasol subsidiary.

  2002年11月公司成为沙索烯烃和表面活性剂的全资子公司后更名为沙索（中国）化学有限公司。