在经典极限下，导出了循环的有限时间热力学性能界限和优化准则。
The finite time thermodynamic performance bound and optimization criterion for these cycles are derived.
给出电冰箱排水管设计应遵循的准则，同时从热力学和流体力学的角度推导出风冷冰箱排水管开口尺寸的计算公式。
Discusses the principle of drainpipe design for refrigerator, and also gives the formula of opening size of drainpipe of air-cooled refrigerator based on thermodynamics and hydrodynamics.
给出了燃气轮机热电联产系统热力学分析（能量平衡分析和分析）评价准则及计算式。
The paper presents a thermodynamic(energy balance and exergy analysis) evaluation criterion and calculation formulae for cogeneration systems of gas turbines.
从结冰过程的基本方程出发，并要求在缩比相似准则中满足几何尺寸、流场、水滴运动及撞击特性、结冰过程的热力学特性等相似，推导出一种适合结冰试验的相似准则。
To achieve similarity in ice accretion, it is necessary for the scale test to simulate the geometry, the flow field, the drop trajectories, the total water catch and the heat transfer.
给出了燃气轮机热电联产系统热力学分析（能量平衡分析和分析）评价准则及计算式。
Through theory and experimental analyzses, the electrochemical integrated test method and evaluation standard analyzing system of the steel corrosion in concrete are put forward.
给出了燃气轮机热电联产系统热力学分析（能量平衡分析和分析）评价准则及计算式。
Through theory and experimental analyzses, the electrochemical integrated test method and evaluation standard analyzing system of the steel corrosion in concrete are put forward.
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