制冷剂R290的国内研究进展_暖通空调在线 关键词：R290,天然制冷剂,替代, [gap=569]Keywords：R290,natural refrigerant,substitute,,
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The natural refrigerant CO2 transcritical cycle technology has a broad application foreground. Improvement of cycle system performance is the key for the CO2 transcritical cycle technology popularization.
采用自然工质CO2的跨临界循环技术具有广阔的应用前景,而提高CO2跨临界制冷循环系统性能是推广此技术应用的关键。
参考来源 - CO·2,447,543篇论文数据，部分数据来源于NoteExpress
For long term consideration, natural refrigerant is the most satisfied substitutes.
从长远角度考虑，自然工质替代人工工质已经成为必然。
The thesis studied the situation of performance matching for natural refrigerant propane (R290) instead of R22 in minitype room air conditioners.
本文研究了自然工质丙烷(R290)替代r 22在小型家用空调的性能匹配情况。
As an increasing need for protecting the environment, a new type of the heat pump water heater with the natural refrigerant CO_2 will appear in water heater market.
随着人们环保意识的增强，以天然制冷剂CO_2为工质的热泵热水器将作为一种新型产品进入热水器市场。
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