采用拱背非均布荷载作用模式，利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
利用压汞曲线计算出来的分数维来定量表征储集层微观孔隙结构的非均质性；
The fractal dimension calculated from mercury injection curves is used for quantitative characterization of heterogeneity in micro-porosity structure of reservoir.
将烃源岩非均质性的概念引入到生、排烃数值模拟过程中，利用韵律层的概念，推导出这3种排烃地质模型的数学模型。
The mathematical models of these 3 kinds of hydrocarbon-expulsion geologic models are derived from the concept of rhythmic layering and source rock heterogeneity.
应用推荐