N2

Science / Tides and Currents / N2: Larger lunar elliptic semi diurnal constituent. Speed = 2T– 3s + 2h + p = 28.439,729,5° per solar hour.
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2N2

Science / Tides and Currents / 2N2: Lunar elliptic semi diurnal second-order constituent. Speed = 2T– 4s + 2h + 2p = 27.895,354,8° per solar hour. MORE

Nitrogen (N2)

Science / Weather / Nitrogen (N2): A colorless, tasteless, odorless gas that is the most abundant constituent of dry air. It comprises 78.09%. MORE

Nitrogen (N)

Science / Periodic Table of Elements / Nitrogen (N): Atomic number: 7, Atomic mass: 14.0067 g.mol -1, Electronegativity: 3.0, Density: 1.25*10-3 g.cm-3 at 20°C, Melting point: -210 °C, Boiling point: -195.8 °C, Vanderwaals radius: 0.092 nm, Ionic rad MORE

Age Of Parallax Inequality

Science / Tides and Currents / Age Of Parallax Inequality: The time interval be tween perigee of the Moon and the maximum effect of parallax upon range of tide or speed of the tidal current. This age may be computed from the harmonic constants by the formula: MORE

Air

Science / Weather / Air: This is considered the mixture of gases that make up the earth's atmosphere. The principal gases that compose dry air are Nitrogen (N2) at 78.09%, Oxygen (O2) at 20.946%, Argon (A) at 0.93%, and Carbo MORE

Nitrous Oxide

Health / Dentistry / Nitrous Oxide: A controlled mixture of nitrogen and oxygen gases (N2O) that is inhaled by the patient in order to decrease sensitivity to pain. Also referred to as laughing gas. MORE