Based on the component analysis, a new calculation method for the volume factor of formation crude oil was proposed by cubicequationofstate.
在组分分析的基础上，采用立方型状态方程建立了计算原油体积系数的新方法。
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This, from another aspect, confirms that the proposed hard-body equationofstate represents repulsive pressure term ofcubicequationofstate for real liquids with good precision.