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Noun1.CO2 - a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
blackdamp, chokedamp - the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life
dioxide - an oxide containing two atoms of oxygen in the molecule
greenhouse emission, greenhouse gas - a gas that contributes to the greenhouse effect by absorbing infrared radiation
References in periodicals archive ?
By an intelligent superimposed control, the supplied fresh air quantity in connection with a measurement of the CO2 content in the room air without intervention in the existing heating / ventilation control occupation-dependent and
The outcome of the proposed work is smoke with reduced CO2 content, when compared to the existing method.
For sustainable construction solutions concrete is the material of choice if the embodied CO2 content is considered.
In the 400,000 years up to the Industrial Revolution - from ice ages to warming - the CO2 content of the atmosphere has ranged from 180ppm to 280ppm.
In the production of beer, carbonated soft drinks and wine, the CO2 content is a key quality parameter and decisive to the products taste.
Additionally, compared to input fuel, the New Fuel has better characteristics such as: higher flashpoint; increased cetane; higher gross calorific value; substantially reduced CO2 content by as much as 70%; and cuts in Sulfur, Nitrogen and other Greenhouse emissions by as much as 60% -- exceeding the environmental benefits of virtually all other hydrocarbon-based fuels.
Organic matter also increases the CO2 content of the external and internal CO2 will increase the rate of photosynthesis [6].
Note up to 14,000-ft high, at this point, given the present CO2 content in the northern hemisphere.
However, the US remains the only nation to have discovered naturally occurring CO2 sources apart from natural gas collections with a high CO2 content.
The Qatargas Group made a presentation on the process technology challenge of addressing the increase of acid gas concentration in the feed gas to Qatargas 1 facilities, by delivering a new Acid Gas Removal Unit (AGR4) and new Sulphur Recovery Unit (SRU4) to remove the expected increase in H2S and CO2 content in order to maintain the current production plateau of Qatargas 1.
Trainees keep track of oil and gas characteristics including hydrocarbon dew point, water dew point, H2S and CO2 content, oil RVP, and water-in-oil, to keep gas and oil products on-spec.
The CO2 content of Kuala Langsa gas is considered a key uncertainty worthy of further investigation.