第二部分是研究由于沥青质和胶质在石英砂上的吸附，石英砂润湿性发生改变后的润湿性测定。
The second is about wettability measurement of quartz sands due to adsorption of asphaltene and resin.
在前人工作基础上，建立了一种定量测定油藏岩石润湿性的新方法，即经改进的自吸速率法。
On the basis of previous work, a new method for the determination of wettability of reservoir rocks, which can be designated as the modified method of spontaneous imbibition, has been established.
沉降体积和接触角的测定结果说明改性粒子在液体石蜡中的润湿性和疏水性得到了提高；
The results of sediment volume and contact angle demonstrated the wettability in the paraffin liquid and hydrophobicity of the modified particles were improved;
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