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.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.Nonionic surface - active agents include polyoxyethylene condensates, sucrose e...
Shakespeare's Henry IV Pt 2莎士比亚《亨利四世》下篇This same feature is incorporated in the S - IV and the S - IVB stages.S -IV 和S-IVB级包括了一些同样的特点.Typical composition of the auto exhausts is given in Table IV - 6 .汽车尾气的典型成分示于表Ⅳ ...