atmospheric gas


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atmospheric gas

[¦at·mə¦sfir·ik ′gas]
(meteorology)
One of the constituents of air, which is a gaseous mixture primarily of nitrogen, oxygen, argon, carbon dioxide, water vapor, ozone, neon, helium, krypton, methane, hydrogen, and nitrous oxide.
References in periodicals archive ?
Atmospheric gas fired commercial cast iron boiler, LP gas, boiler efficiencies shall comply with federal and requirements; natural draft venting, manual reset high limit control: float and probe type low water cut off; gauge glass and fittings; pressure guage; 15 PSI fasety valve; existing metasys controls shall be reinstalled on new boiler: contractor is responsible for clean up and disposal of old boiler.
Called Versalite, the cup is PP-based and is produced by a proprietary process in which a cellular structure is created the during sheet extrusion process using atmospheric gas.
These molecules only exist for a few hours and then revert back to the original atmospheric gas, leaving a bacteria-free product.
One technique being investigated is cold atmospheric gas plasma technology.
They measured 18 PAHs in the atmospheric gas and particle phases and monitored the PAHs for 1 year, and they used toxic equivalence factors to calculate benzo[a]pyrene (BaP) equivalents for individual PAHs and the World Health Organization (WHO) unit risk for BaP to estimate lifetime cancer risks.
It shows figures and carriages on the wide cobbled road of the dock where sailing ships are moored and atmospheric gas lamps shine on pavements and shops.
It shows figures and carriages on the wide cobbled road of the dock, where sailing ships are moored and atmospheric gas lamps shine on pavements and shops.
On the evidence, a simple causal link between atmospheric gas levels and global temperature seems unlikely: high carbon dioxide levels have not prevented temperatures falling; temperatures were high while carbon dioxide levels were low; temperature changes preceded those in carbon dioxide levels.
With the reduction of atmospheric gas pickup, the fluidity of the molten alloys increased due to reductions in dissolved oxygen.
D) As a comet speeds through the atmosphere, friction with atmospheric gas molecules sparks the comet to ignite.
OCS is an atmospheric gas that is gaining interest as a useful tracer to assess gross photosynthesis activity in plant canopies; plants uptake OCS and CO2 during respiration, but only generate CO2 by photosynthesis.
While physics textbooks correctly explain that short wavelengths of sunlight, such as the ones that we see as blue, more readily ricochet off atmospheric gas molecules into our eyes than do other solar wavelengths, that's only a partial answer, says electrical engineer Glenn S.

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