Air Conditioning, Heating & Refrigeration News5d
Teaching A2Ls: A Guide for Refrigeration Instructors
As A2Ls become more popular, students and technicians need to be trained on how to handle these mildly flammable refrigerants ...
Study reveals possible effects of air quality changes associated with global warming on human airways
From sweltering hot summer days to frigid winter nights, many people can experience exacerbations in respiratory symptoms of ...
EurekAlert!9d
Global warming can lead to inflammation in human airways, new research shows
Researchers say that as the Earth’s atmosphere heats up, with relative humidity staying mostly the same, a property of the atmosphere called vapor pressure deficit (VPD) increases at a rapid rate. VPD ...
C&EN16d
Enhancing Liquid–Vapor Phase-Change Heat Transfer with Micro/Nano-Structured Surfaces
This continues until the surface is covered by a vapor blanket, which leads to a soaring surface temperature. This sudden temperature rise is termed the CHF, (48) and it has been the subject of much ...
HvacrNews-Coowor25d
SIKELAN Refrigeration Compressor ADW51, L series,R134A LBP, 220V, Freezer/refrigerator compressor
SIKELAN Refrigeration Compressor R134a 110-120V 60HZ MD-GQR16TZD 200 Piece (Min.Order) SIKELAN Refrigeration Compressor R134a 110-120V 60HZ MQ-GQR11TZD 200 Piece (Min.Order) ADW51 R134a 220v SIKELAN ...
verywellhealth26d
When Is Low Blood Pressure Dangerous?
Healthcare providers consider low blood pressure (hypotension)—a reading below 90/60 millimeters of mercury (mm Hg)—benign, or not harmful, because it rarely causes symptoms. However, some people with ...