By heat balance analysis of the whole regenerative system, which is regarded as a closed thermodynamic system, the calculation model on the influence of HPs removal on heat economy of unit is derived.

以汽轮机功率方程和锅炉吸热量方程为基础，并将机组的整个回热系统视为一闭口热力系统，通过对其的热平衡分析，得到了高加切除对机组热经济性影响的计算模型。

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Setting up an energy balance analysis model of heavy oil gathering system and gives evaluation index and calculation formula.

建立了稠油集输系统的能量平衡分析模型，给出了评价指标及其计算公式。

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The technique of the implementation of ec based on MIDAS is discussed from the aspects of the system structure model, the emphasis of system design and the technique of load balance.

从系统体系结构模型、系统设计要点、负载平衡技术等方面探讨了实现基于MIDAS的电子商务系统的有关技术问题。

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