atmospheric gas

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 ?
In current research, raw shell eggs inoculated with Salmonella serotype Enteritidis were placed in plastic containers filled with dry air (22% oxygen, 78% nitrogen) and modified atmospheric gas (65% oxygen, 30% carbon dioxide, 5% nitrogen).
MKS Instruments' Cirrus 3-XD Atmospheric gas analysis system is available in both benchtop and rack-mounted models.
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.
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.
At this point, the background hum of marketing just feels natural--maybe advertising is really just some atmospheric gas we've all learned to breathe.
D) As a comet speeds through the atmosphere, friction with atmospheric gas molecules sparks the comet to ignite.
Although oxidizing gases in the atmosphere would at first destroy the toxic gas, Pavlov notes, the hydrogen sulfide would consume all the atmospheric gas available to convert it.

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