torr


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torr

 [tor]
a unit of pressure equal to one millimeter of mercury (mm Hg), or 133.3 pascals.

torr

(tōr),
A unit of pressure sufficient to support a 1-mm column of mercury at 0°C against the standard acceleration of gravity at 45° north latitude (980.621 cm/s2); equivalent to 1333.224 dynes/cm2, 1.333224 millibars, 1.35951 cm of H2O, 133.3224 newtons/m2 (or Pa); 1 atmosphere (atm) equals 760 Torr.
[Evangelista Torricelli]

Torricelli,

Evangelista, Italian scientist, 1608-1647.
torr - a unit of pressure.
torricellian vacuum - a vacuum above the mercury in a barometer tube.
References in periodicals archive ?
After calculations it was concluded that standard deviation confidence interval is 4.1 [+ or -] 0.16E-04 Torr. This approach shows vacuum gauge possible inaccuracy interval, which should be considered performing coating deposition process.
Caption: Figure 3: (a) Rate constants of total and various reaction channels at 293 K in a pressure range from 1 Torr to 7600 Torr.
The large values of plasma density for arc current 70 A and C[H.sub.4] ambient pressure 300 torr show that large number of electrons carrying same energy (i.e., average energy), and the dominant heating mechanism at these particular experimental conditions is ohmic heating mechanism.
The details in nanostructures for the NCD films grown under the working pressure of 40 Torr were investigated by TEM and XPS as shown in Figure 4.
Bouteloua eriopoda (Torr.) Torr., 6745; 6786 US, 6821 ANSM, BRIT, NMC; 8097 BRIT, 8100 ANSM; 8193, 8930; 8949 ANSM, BRIT; 9031 NMC; 9056a US.
(26) For its part, the CPGB issued Torr's laudatory booklet Tom Mann; while the journalist Hutt, educated at Cambridge and the Lenin School, penned a Labour Monthly article emphasising Mann's proletarian working skills as an engineer.
The normal P(A-a)O2 gradient, which is age-specific, is about 10 to 15 torr when a person breathes room air.
Presstek had to clean up 1,500 gallons of sulfuric add, as well as empty tanks of some 3,000 to 5,000 gallons of other hazardous chemicals, Torr said.
Quatre pressions differentes, partant de 60 Torr a la pression atmospherique, et deux temperatures d'air de reacteur differentes de 130[degrees]C et 420[degrees]C, sont considerees.
The total atmospheric pressure at 10,000 feet is not 199 torr, but closer to 500 torr.
Antiquarian Torr provided Victorian England the first and most authoritative guide to the Greek island off the coast of Asia Minor, with this and a volume on modern Rhodes.