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Solar cannot totally replace the need for gas or electric heating as there are sometimes days when there is little sunlight. When averaged over a year, a correctly sized solar system can provide 60%-70% of a household's hot water nee...
When the solar-heated water (or,... C Marken,D Puffer - 《Home Power》 被引量: 0发表: 2008年 Adsorption-based antifreeze system for loop heat pipes A storage tank using the RD-type silica gel as adsorbent material was designed. It is a passive system, which does not require mechanical...
This invention relates to organic acid corrosion inhibitors for use in antifreeze coolant compositions. The corrosion inhibitors comprise a C8 mono-carboxylic acid component, or isomers and
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heated with hot water or steam water. For the section where the lining was leaking, local heating was performed on the surface [9]. Tunnel seepage was not only a problem of waterproof and drainage engineering construction but also a loophole in management [10]. Therefore, to solve the ...