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  2. Liquid oxygen - Wikipedia

    en.wikipedia.org/wiki/Liquid_oxygen

    Liquid oxygen has a clear cyan color and is strongly paramagnetic: it can be suspended between the poles of a powerful horseshoe magnet. [2] Liquid oxygen has a density of 1.141 kg/L (1.141 g/ml), slightly denser than liquid water, and is cryogenic with a freezing point of 54.36 K (−218.79 °C; −361.82 °F) and a boiling point of 90.19 K (−182.96 °C; −297.33 °F) at 1 bar (14.5 psi).

  3. Pressure coefficient - Wikipedia

    en.wikipedia.org/wiki/Pressure_coefficient

    The coefficient of lift for a two-dimensional airfoil section with strictly horizontal surfaces can be calculated from the coefficient of pressure distribution by integration, or calculating the area between the lines on the distribution. This expression is not suitable for direct numeric integration using the panel method of lift approximation ...

  4. Oxygen compatibility - Wikipedia

    en.wikipedia.org/wiki/Oxygen_compatibility

    Oxygen cleaning is a necessary, but not always a sufficient condition for high partial pressure or high concentration oxygen service. The materials used must also be oxygen compatible at all expected service conditions. Aluminium and titanium components are specifically not suitable for oxygen service. [2]

  5. Oxygen equivalent - Wikipedia

    en.wikipedia.org/wiki/Oxygen_Equivalent

    Oxygen equivalent compares the relative amount of oxygen available for respiration at a variable pressure to that available at SATP.As external respiration depends on the exchange of gases due to partial pressures across a semipermeable membrane and normally occurs at SATP, an oxygen equivalent may aid in recognizing and managing variable oxygen availability during procedures such as ...

  6. Oxygen storage - Wikipedia

    en.wikipedia.org/wiki/Oxygen_storage

    Methods of oxygen storage for subsequent use span many approaches, including high pressures in oxygen tanks, cryogenics, oxygen-rich compounds and reaction mixtures, and chemical compounds that reversibly release oxygen upon heating or pressure change. O 2 is the second most important industrial gas.

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  8. 3 economic factors Walmart’s CFO says could drive ... - AOL

    www.aol.com/finance/3-economic-factors-walmart...

    Walmart U.S. comp sales were up 4.9% compared to the same time last year, and e-commerce up 24%, led by pickup and delivery. The company raised its full-year earning per share outlook to $6.40-$6. ...

  9. Dimensionless numbers in fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Dimensionless_numbers_in...

    Dimensionless numbers (or characteristic numbers) have an important role in analyzing the behavior of fluids and their flow as well as in other transport phenomena. [1] They include the Reynolds and the Mach numbers, which describe as ratios the relative magnitude of fluid and physical system characteristics, such as density, viscosity, speed of sound, and flow speed.