The onset temperature difference of thermoacoustic Stirling prime movers is a very important parameter for utilizing low quality heat energy.
热声机械作为一种新型的能量转化装置，讨论其起振温差对于利用低品位能源具有非常重要的意义。
Low radiation glass is a high quality and energy saving construction material, reducing both the let-in of Ultraviolet ray and let-out of heat in the room.
低辐射玻璃既可防止紫外线的照入，又可减少室内热量的外泄，是一种节省能源的非常理想的建筑用品。
The special feature of microwave extraction technique over traditional heat extraction is short time, low temperature, low energy consumption and high product quality.
微波辐射提取技术与传统加热提取技术相比，具有提取时间短、温度低、耗能低、品质高等优良特性。
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