It gives the quantitative analysis formula of RH based on linear regression, which can be used to determine RH during the biosurfactant chemical flooding hereafter.

• 并通过线性回归，得出RH定量分析的公式，较好地解决了RH的检测问题，为今后开展生物表面活性剂化学驱中如何检测RH提供了一种较为准确的方法。