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N the ratio of the power emitted by a source of radiation to the power consumed by it 辐射效率 ( symbol: η)
Passive heating and cooling with thermal mass and insulation, Geothermal, radiant cooling and heating along with solar and photovoltaic panels contribute to the house's energy efficiency.
采用保温隔热材料被动供暖和制冷，同时利用太阳能板和光电板采集地热能和光辐射能制冷与采暖，提高了房屋的能源效率。
The project also entailed the upgrading of insulation and the addition of a high-efficiency radiant floor heating system.
项目还升级了绝缘材料，并增加了高效的辐射地板采暖系统。
It mentions the ways of improving radiant tube's thermal efficiency. It summarizes the designation and lectotype of radiant tube.
介绍了各种提高辐射管热效率的途径，对辐射管的设计与选型做了总结。
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