Researchers in China developed a large-scale PV-thermal heat pump system using a liquid overfeed method that reportedly improves both thermal and electrical efficiency. Field tests showed up to a 4.81 ...
COLLEGE POINT, N.Y. — ComStar International Inc. has announced a new refrigerant for ice rink managers to comply with the phaseout of R-22 refrigerant. The company said its replacement refrigerant is ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback