The axial dispersion in chromatography models was discussed with vector method and the effect of diffusion on the bulk flow flux with its partial quantity form was pointed too.
用矢量方法讨论了色谱模型中的轴向扩散项，指出轴向扩散项是扩散通量以分量的形式在主体流动通量上的页献。
The paper puts forward impact factor analysis of the reliability in bulk power system using power flow tracing method on the basic of power flow tracing load-shedding model.
本文在潮流跟踪负荷削减模型基础上，提出了大电力系统可靠性影响因素分析的潮流跟踪法。
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