Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun metrology Symbol for the millipascal, an SI unit of pressure and stress equal to 10−3 pascals.

Etymologies

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Examples

  • The vapor pressure above the solid reaches 1 atm (0.1 mPa) at 133°F (56°C), the sublimation temperature.

    Uranium hexafluoride 2007

  • Solidification occurs exothermically when the pressure falls below 1.5 atm (0.15 mPa).

    Uranium hexafluoride 2007

  • For UF6 to be handled as a liquid, the pressure must be in excess of 0.15 mPa (1.5 atm) and the temperature above 147°F (64°C) because the sublimation temperature lies below the triple point.

    Uranium hexafluoride 2007

  • Only the gaseous phase exists above 446°F (230°C), the critical temperature, at which the critical pressure is 45.5 atm (4.61 mPa).

    Uranium hexafluoride 2007

  • Vapor Pressure Data for Atrazine p/mPa p/mPa t/°C na (this work) b (Grayson and Fosbraey, 1982) 40 2 0.67 0.75 50 3 2.2 2.9 60 3 9.5 10 70 3 30 35 80 5 98 110

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