The theory of the maximal exergy efficiency analysis was discussed and the design formulae of the different design methods were deduced.
对半导体多级制冷器不同的设计方法作了介绍，提出了最大（火用）效率分析的设计方案，导出了各种设计方案的设计公式。
Through analysis and calculation of heat efficiency and Exergy efficiency, the paper proves this Exergy theory is far more accurate to reflect the actual feature of energy using.
通过(火用)平衡与热平衡的对比分析和热效率与(火用)效率的分析计算，论述了(火用)平衡能更科学、更准确地反映轮窑实际用能状况。
Following an analysis of its exergy efficiency, it is pointed out that natural gas can not be rationally utilized by such a way of energy consumption.
通过分析其效率，指出这种用能方式没有充分合理地利用天然气，提出了热能梯级利用的参考建议。
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