Tissue to Air Ratio — Tissue Air Ratio (TAR) is a term used in radiotherapy treatment planning to help calculate absorbed dose to water in conditions other than those directly measured. Definition The TAR at a point in a water phantom irradiated by a photon beam is… … Wikipedia
fuel air ratio — See fuel air ratio … Dictionary of automotive terms
Air-fuel ratio — (AFR) is the mass ratio of air to fuel present during combustion. When all the fuel is combined with all the free oxygen, typically within a vehicle s combustion chamber,the mixture is chemically balanced and this AFR is called the stoichiometric … Wikipedia
fuel-air ratio — The amount of fuel in comparison with the amount of air. This is the reciprocal of the air fuel ratio … Dictionary of automotive terms
ratio — A fixed relationship between things in number, quantity or degree. For example, if the fuel mixture contains one part of gas for fifteen parts of air, the ratio would be 15 to 1. See a/f ratio a/f ratio air fuel ratio air fuel ratio air ratio… … Dictionary of automotive terms
air-fuel ratio — (A/F ratio) The mass of air supplied to the engine divided by the mass of fuel supplied in the same period of time. The stoichiometric, or chemically correct, air fuel ratio is the exact ratio necessary to burn all the carbon and hydrogen in the… … Dictionary of automotive terms
air — [1] Abbreviation for air conditioner. [2] A bicycling or motorcycling term describing the space or gap between the tires and the ground when the bike takes a jump. Both tires must be off the ground before it can be called air as in the expression … Dictionary of automotive terms
Air pressurized water — extinguishers or APW are types of fire extinguishers that extinguish burning material by absorbing heat . They contain 2.5 gallons of water or water with a wetting agent which is applied by means of a 1/2 inch hose with a smooth bore nozzle… … Wikipedia
Air Florida Flight 90 — Salvage operations on January 19, 1982 Accident summary Date January 13, 1982 Type … Wikipedia
Air entrainment — is the intentional creation of tiny air bubbles in concrete. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface active substance, a type of chemical that includes detergents) … Wikipedia