Those are (somewhat outdated) pressure units.
The pressure is measured in inches of Mercury.
The SI unit is pascal (Pa) equal to 1 N/m2.
blood pressure
air pressure
Pressure. Usually atmospheric pressure.
hemoglobin
negative pressure is measured in negative inches of mercury
It refers to the atmospheric pressure which, in this case, is measured in inches of mercury on a mercury barometer
-24.43 inches of mercury.
24.34 inches of mercury = 618.2 Torr
32 inches of mercury = 1,083.52 millibars.
pressure
pressure
It is measured in inches of Mercury, millibars, and hectoPascals.
millibars and inches in mercury
Pressure is often measured in inches of mercury when describing barometric pressure in weather reports. This term is also known as "inches of mercury vacuum".
It is measured in inches of mercury (inHg)
NO ... Barometric Pressure is measured in Centimeters or Inches (of Mercury.) Temperature is measured in Degrees Fahrenheit or Degrees Centigrade.
QNH is measured in inches of mercury whereas Altimeter is measured in millibars or hectopascals.
It refers to the atmospheric pressure which, in this case, is measured in inches of Mercury on a mercury barometer
It is measured in inches of Mercury, millibars, and hectoPascals.
negative pressure is measured in negative inches of mercury
vacuum is measured in pressure. To get a vacuum you need a negative pressure. that would be inches of mercury hg