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High and ultra-high vacuum applications require seals that do not allow leaks. O-rings can break down over time, due to aging and exposure to radiation. Metallic seals can damage sealing surfaces, making replacement of the original seal very difficult.
The disclosed technologies are directed to the smart control of a system that integrates underground TES into geothermal heat pumps.
A novel approach was applied for the preparation of polymer membranes having CO2-philic group for CO2 separation.