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unit-code to use in template symbols shown in output ... torr: Torr Torr 1.0 Torr (0.13 kPa) millimetre of mercury: mmHg mmHg 1.0 ...
The relationship between the torr and the millimeter of mercury is: 1 Torr = 0.999 999 857 533 699... mmHg; 1 mmHg = 1.000 000 142 466 321... Torr; The difference between one millimeter of mercury and one torr, as well as between one atmosphere (101.325 kPa) and 760 mmHg (101.3250144354 kPa), is less than one part in seven million (or less than ...
Firstly, as the air enters the lungs, it is humidified by the upper airway and thus the partial pressure of water vapour (47 mmHg) reduces the oxygen partial pressure to about 150 mmHg. The rest of the difference is due to the continual uptake of oxygen by the pulmonary capillaries , and the continual diffusion of CO 2 out of the capillaries ...
Values are given in terms of temperature necessary to reach the specified pressure. Valid results within the quoted ranges from most equations are included in the table for comparison.
Blood pressure fluctuation (40 mmHg) between heartbeats for a typical healthy adult [44] [45] 6.3 kPa 0.9 psi Pressure where water boils at normal human body temperature (37 °C), the pressure below which humans absolutely cannot survive (Armstrong limit) [46] +9.8 kPa +1.4 psi Lung pressure that a typical person can exert (74 mmHg) [47] 10 4 Pa
The table says that 1 Torr = 1 mmHg. One of the main points of the article is that 1 Torr is not equal to1 mmHg. While it is true that 1 Torr almost equals 1 mmHg, the two units are not identical. Among the many articles in Wikipedia that deal with pressure, some contain copies of this table while others do not. An example of the former is ...
Before 1918, many professionals and scientists using the metric system of units defined the standard reference conditions of temperature and pressure for expressing gas volumes as being 15 °C (288.15 K; 59.00 °F) and 101.325 kPa (1.00 atm; 760 Torr).
Reference Kelvin Celsius Fahrenheit Comments 1 H hydrogen (H 2) ; use: 13.99 K: −259.16 °C: −434.49 °F WEL: 14.01 K: −259.14 °C: −434.45 °F CRC: −259.16 °C: LNG