Hydrofluoroalkanes (HFAs) are used for pharmaceutical and medicinal purposes, especially as aerosol propellants in inhalers.
With a suitable medical excipient added, HFAs can serve as drugs for the treatment of human respiratory diseases. Density measurement allows determining the correct compositions.
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UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...