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  2. Useful conversions and formulas for air dispersion modeling

    en.wikipedia.org/wiki/Useful_conversions_and...

    For example, such a regulation might limit the concentration of NOx to 55 ppmv in a dry combustion exhaust gas corrected to 3 volume percent O 2. As another example, a regulation might limit the concentration of particulate matter to 0.1 grain per standard cubic foot (i.e., scf) of dry exhaust gas corrected to 12 volume percent CO 2.

  3. Lifting gas - Wikipedia

    en.wikipedia.org/wiki/Lifting_gas

    The air is either supplied from diving cylinders or pumped through a hose from the diver's ship on the surface. Submarines use ballast tanks and trim tanks with air to regulate their buoyancy, essentially making them underwater "airships". Bathyscaphes are a type of deep-sea submersibles that use gasoline as the "lifting gas".

  4. Moisture removal efficiency - Wikipedia

    en.wikipedia.org/wiki/Moisture_removal_efficiency

    DOAS Diagram. Moisture Removal Efficiency (MRE) is a measure of the energy efficiency of any dehumidification process. Moisture removal efficiency is the water vapor removed from air at a defined inlet air temperature and humidity, divided by the total energy consumed by the dehumidification equipment during the same time period, including all fan and pump energy needed to move air and fluids ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Density of air - Wikipedia

    en.wikipedia.org/wiki/Density_of_air

    At IUPAC standard temperature and pressure (0 °C and 100 kPa), dry air has a density of approximately 1.2754 kg/m 3. At 20 °C and 101.325 kPa, dry air has a density of 1.2041 kg/m 3. At 70 °F and 14.696 psi, dry air has a density of 0.074887 lb/ft 3.

  7. NYT ‘Connections’ Hints and Answers Today, Friday, December 13

    www.aol.com/nyt-connections-hints-answers-today...

    Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...

  8. Deposition (aerosol physics) - Wikipedia

    en.wikipedia.org/wiki/Deposition_(aerosol_physics)

    Dry deposition is caused by: Impaction. This is when small particles interfacing a bigger obstacle are not able to follow the curved streamlines of the flow due to their inertia, so they hit or impact the droplet. The larger the masses of the small particles facing the big one, the greater the displacement from the flow streamline.

  9. Dolphins claim ex-Seahawks LB Tyrel Dodson after surprising ...

    www.aol.com/sports/dolphins-claim-ex-seahawks-lb...

    Dodson joined the Seahawks this past summer on a one-year, $4.26 million deal and he shined initially. Dodson led the team with 71 tackles in nine games.