| 1. | Cationics are usually quaternary ammomium salts .
阳离子表面活性剂通常为季铵盐类。 |
| 2. | Development of detergents has required optimization of the surfactants structure .
发展洗涤剂时，要求使用最恰当的表面活性剂结构。 |
| 3. | The nonpolar segments of surfactants include straight-chain and branched alkyl groups .
非极性表面活性剂链段包括直链和支链的烷基。 |
| 4. | Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides .
非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物。 |
| 5. | Nonionic surface-active agents include polyoxyethylene condensates, sucrose esters and alkyl amine oxides .
非离子型表面活性剂有聚氧乙烯缩合物，糖酯和烷基胺氧化物。 |
| 6. | Nonsurfactant additives known as "builders" have long been used to improve detergent action of surfactants .
非表面活性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。 |
| 7. | The particle number increased with surfactant and initiator concentration though the data are insufficient for evaluating the nature of these relationships .
粒子数随表面活性剂和引发剂的浓度而增加，虽然数据还不足以评价这些关系的本质。 |
| 8. | The quality of the surfactant is also very important
表面活性剂的品质同样重要。 |
| 9. | Surface active agents - test method for alkaline stability
表面活性剂耐碱性测试法 |
| 10. | Surface active agents . measurement of foaming power
表面活性剂.起泡能力的测定 |
