研究了十六烷基三甲基溴化铵（CTAB）和十二烷基磺酸钠（AS）复配体系在稀溶液区的相行为。

The phase behavior of cetyltrimethylammonium bromide(CTAB) and sodium dodecyl sulfonate(AS) mixed system in dilute aqueous solution region has been studied.

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结果表明该体系同传统的正、负离子表面活性荆复配体系相似，在一定的混合比范围内出现了液晶区和双水相区。

Results show that just as the conventional anionic and cationic aqueous solutions, present system can form liquid crystal and aqueous two-phase system (ATPS) under certain mixing ratio.

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