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2. Subcooling - Wikipedia

   en.wikipedia.org/wiki/Subcooling

   Subcooling then is accomplished simultaneously with superheating, allowing heat to flow from subcooling refrigerant at higher pressure (liquid) to superheating refrigerant at lower pressure (gas). This creates an energetic equivalence between the subcooling and the superheating phenomena where there is little or no energy loss .

3. R-410A - Wikipedia

   en.wikipedia.org/wiki/R-410A

   R-410A is a refrigerant used in air conditioning and heat pump applications. It is a zeotropic but near-azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125). R-410A is sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A.

4. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.

5. Refrigerant - Wikipedia

   en.wikipedia.org/wiki/Refrigerant

   Promoted as climate-friendly substitute for R-134a and R-410A, but still with high climate impact. Has excellent heat transfer and pressure drop performance, both in condensation and vaporisation. [66] It has an atmospheric lifetime of nearly 5 years. [67] Currently used in residential and commercial air-conditioners and heat pumps. R-134a HFC ...

6. Choking emergency? How to do the Heimlich maneuver - AOL

   www.aol.com/choking-emergency-heimlich-maneuver...

   Next, thrust in an inward and upward motion on the diaphragm. This will force air out of the lungs and remove the blockage. Repeat these abdominal thrusts up to five times, the doctor advised.

7. R-454B - Wikipedia

   en.wikipedia.org/wiki/R-454B

   Because of its reduced global warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. [2] [3] [4] R-454B has a GWP of 466, which is 78 percent lower than R-410A's GWP of 2088. [2] R-454B is non-toxic and mildly flammable, with an ASHRAE safety classification of A2L. In the United States, it is ...

8. Insufficient sleep and high blood pressure may raise risk of ...

   www.aol.com/insufficient-sleep-high-blood...

   People with high blood pressure who slept for shorter durations were more likely to show poor cognitive function and increased levels of markers of brain aging and injury, a new study has found.

9. At What Age Do Men Stop Being Intimately Active? - AOL

   www.aol.com/age-men-stop-being-intimately...

   High blood pressure. Cardiovascular disease. Type 2 diabetes. Obesity and sleep apnea. If you have a chronic disease or other health issues that could affect your intimacy function, make sure to ...