摘要
研究了由一种负离子表面活性剂和两种正离子表面活性剂组成的三元体系，得到了一些相容规律，同时测定了部分二元体系表面张力的下降值．
This paper analysed the tribasic system consisting of one anion surfactant andtwo canon surfactants, generalized their interdepending regularities and measured the decreased value of the surface tension of some binary systems.
