This paper introduces a new type of solar water-heater, which works with direct-circulate compounded form. It can raise heat efficiency.
介绍了一种全新的太阳能热水器，采用直流—循环复合工作方式，提高了效率。
The calculating results show that optimized operation parameters and processing line may raise heat efficiency, reduce cool consumption and production costs. It is used easily for the factory.
计算实例表明优化后的工况参数及流路可提高热回收率，降低冷耗及生产成本，易于在工厂实现。
Finding ways to boost the temperature of heat exchanger fluids would raise operating efficiency, too.
设法提高热能转换器的温度将可提高经营效率。
Another effect of this invention is that it can most raise the efficiency of the heat exchanger.
本发明所能达到的另一效果是能够最大限度地提高热交换器的效率。
Heat exchange efficiency varies greatly with different structures of heat exchangers. Partial modification of the tubular heat exchanger can raise its heat exchange efficiency.
换热器的结构型式不同，其换热效率差别很大。对管壳式换热器结构做出局部改动，可以提高换热效率。
The machine is enabled to raise efficiency and effective rate of energy, to save power, to decrease created heat and load of the cooling system.
以此提高液压挖掘机的工作效率和能量利用率，节省能源，减少发热，降低冷却系统负荷。
The circular utilization of the flue gas can lower the air pollution caused by the waste gas exhaust and raise the heat efficiency of furnace and kiln.
又由于烟道废气大部份处于循环利用状态，从而降低了废气排放导致的空气污染，同时避免了废气排放导致的热能损失，可有效提高炉窑的热效率。
The gas engine with higher efficiency should be selected to raise the exergy efficiency of gas engine-driven heat pump.
为提高燃气机热泵的火用效率，应选用效率高的燃气发动机。
This paper discusses the effectiveness of substituting elliptic pipe bundles for round heat pipes to raise the heat exchange efficiency and prevent soot deposit and corrosion of heat exchangers.
摘要为解决圆形热管换热器换热效率低、积灰和腐蚀严重的问题，应用椭圆管束进行了改造。
Using the mechanism can control the evaporation pressure effectively, raise the heat transferring efficiency of the evaporator and control the pressure in the high-pressure side.
使用本装置，不仅可以有效控制蒸发压力，提高蒸发器的传热效率，同时可以控制高压侧的压力。
Using the mechanism can control the evaporation pressure effectively, raise the heat transferring efficiency of the evaporator and control the pressure in the high-pressure side.
使用本装置，不仅可以有效控制蒸发压力，提高蒸发器的传热效率，同时可以控制高压侧的压力。
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