air equivalent

air equivalent

[′er i′kwiv·ə·lənt]
(nucleonics)
A measure of the effectiveness of an absorber of nuclear radiation, equal to the thickness of a layer of air at standard pressure and temperature that absorbs the same fraction of radiation or results in the same energy loss as does the absorber.
References in periodicals archive ?
Finally, the hand dryer - if still on the wall - gave out a feeble waft of lukewarm air equivalent to letting an asthmatic llama breathe on your hands.
Airport employees are also deserving of a proper working environment that includes indoor air equivalent to 100% clean outside air.
And the LCA Mark II is the real in the sense that it will have much more powerful engine, better radar, it will have air to air equivalent capability.
But lift is generated by deflecting downward a mass of air equivalent to the mass of the airplane.
Just as people air-kiss Cilla Black on the telly, instead of a proper smooch, perhaps this is Thommo bringing in the air equivalent of the Glasgow Kiss.
The pilots were breathing air equivalent to 18,000 feet for 13 minutes for each display, so they were slightly hypoxic.
The alternative MCL (AMCL) is to be set at a level which would "result in contribution of radon from drinking water to radon levels in indoor air equivalent to the national average concentration of radon in outdoor air.
The reduction of approximately 50,000 tons of smog-forming pollutants is also the clean air equivalent of taking almost half of Connecticut's cars, 1.