亲水亲油平衡值确定所形成的乳状液的类型，并取决于表面活性剂的化学成份。
The hydrophilic-lipophilic balance determines the type of emulsion formed and is controlled by the chemical composition of the surfactant.
文中分析了形成稳定乳状液的机理。
The mechanism of forming stable emulsing liquid was analysed.
乳状液的形成改善了流度比，调整了注采剖面，提高了稠油采收率。
The improved mobility ratio and the adjusted cut plane by the emulsion enhanced the heavy crude recovery efficiency.
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