• Thumbnail for Free-air concentration enrichment
    Free-Air Carbon dioxide Enrichment (FACE) is a method used by ecologists and plant biologists that raises the concentration of CO2 in a specified area...
    7 KB (885 words) - 18:59, 17 April 2025
  • Thumbnail for CO2 fertilization effect
    environments. In free-air carbon dioxide enrichment (FACE) experiments plants are grown in field plots and the CO2 concentration of the surrounding air is artificially...
    31 KB (4,918 words) - 18:08, 23 June 2025
  • Fluorophore-assisted carbohydrate electrophoresis, a biochemical technology Free-air concentration enrichment, a technology to test the effect of rising CO2-levels on the...
    6 KB (775 words) - 15:27, 15 September 2024
  • Look up enrichment or enrich in Wiktionary, the free dictionary. Enrichment or enriched may refer to: Data enrichment, appending data with context from...
    1 KB (181 words) - 23:32, 20 July 2024
  • French Eurodif enrichment plant, with Iran's holding entitling it to 10% of the enriched uranium output. Countries that had enrichment programs in the...
    48 KB (5,599 words) - 18:05, 26 June 2025
  • Carbon dioxide enrichment can mean: CO2 fertilization effect Free-air concentration enrichment (FACE) For use in greenhouses see Greenhouse#Carbon dioxide...
    235 bytes (55 words) - 23:01, 5 January 2022
  • Thumbnail for Effects of climate change on agriculture
    potassium. Studies using Free-Air Concentration Enrichment have also shown that increases in CO2 lead to decreased concentrations of micronutrients in crop...
    159 KB (22,496 words) - 15:38, 19 May 2025
  • Extensive experiments growing plants under elevated CO2 using Free-Air Concentration Enrichment have shown that photosynthetic efficiency does indeed increase...
    32 KB (4,002 words) - 03:47, 1 June 2025
  • Thumbnail for Lisa Ainsworth
    is a lead investigator of SoyFACE (Free Air Concentration Enrichment). As part of SoyFACE Ainsworth leads an open-air laboratory that allows her to grow...
    12 KB (1,132 words) - 09:11, 15 March 2025
  • Nitrox (redirect from Enriched Air Nitrox)
    International (ANDI) uses the term "SafeAir", which they define as any oxygen-enriched air mixture with O2 concentrations between 22% and 50% that meet their...
    58 KB (7,281 words) - 03:28, 16 June 2025
  • Thumbnail for Donald R. Ort
    Editorial Board for PNAS. Ort helped found the SoyFACE (Soybean Free-Air Concentration Enrichment) research facility to study the effect of rising atmospheric...
    11 KB (920 words) - 12:36, 13 April 2024
  • Thumbnail for Carbon dioxide
    Carbon dioxide (redirect from Fixed air)
    water-use efficiency. Studies using FACE have shown that CO2 enrichment leads to decreased concentrations of micronutrients in crop plants. This may have knock-on...
    112 KB (12,765 words) - 01:05, 19 June 2025
  • Thumbnail for Reinhart Ceulemans
    different techniques such as growth chambers, open-top chambers, Free-air concentration enrichment (FACE) within the framework of the European funded research...
    15 KB (1,663 words) - 05:18, 21 May 2025
  • Thumbnail for Atmospheric methane
    Atmospheric methane is the methane present in Earth's atmosphere. The concentration of atmospheric methane is increasing due to methane emissions, and is...
    54 KB (6,515 words) - 10:17, 27 May 2025
  • Thumbnail for Uranium
    Uranium (section Enrichment)
    is the cheapest and leading enrichment process. The gaseous diffusion process had been the leading method for enrichment and was used in the Manhattan...
    110 KB (12,420 words) - 00:06, 26 May 2025
  • Thumbnail for Oxygen
    Oxygen (redirect from Free oxygen)
    released as a byproduct. Oxygen is too chemically reactive to remain a free element in air without being continuously replenished by the photosynthetic activities...
    120 KB (12,359 words) - 04:52, 21 June 2025
  • Thumbnail for Ozone
    Ozone (category Air pollution)
    reminiscent of chlorine, and detectable by many people at concentrations of as little as 0.1 ppm in air. Ozone's O3 structure was determined in 1865. The molecule...
    150 KB (18,253 words) - 20:07, 25 June 2025
  • to find extremely small leaks in the gas diffusion process of uranium enrichment plants. It typically uses a vacuum chamber in which a sealed container...
    9 KB (1,366 words) - 21:02, 29 May 2025
  • Thumbnail for Greenhouse
    dioxide concentration. Carbon dioxide enrichment can also reduce greenhouse water usage by a significant fraction by mitigating the total air-flow needed...
    47 KB (5,453 words) - 02:45, 5 June 2025
  • Thumbnail for Carbon dioxide in Earth's atmosphere
    one of three main greenhouse gases in the atmosphere of Earth. The concentration of carbon dioxide (CO2) in the atmosphere reached 427 ppm (0.0427%)...
    81 KB (10,748 words) - 08:39, 24 June 2025
  • Thumbnail for High pressure jet
    pressure jet develops, the concentration of its components will dilute as air entrainment increases, allowing an enrichment of oxygen within the jet. Assuming...
    31 KB (3,561 words) - 20:44, 10 May 2025
  • changes in upwelling intensity). Drawing on the experience of Free Air CO2 Enrichment (FACE) experiments used to investigate the response of terrestrial...
    13 KB (1,932 words) - 12:45, 10 November 2022
  • Thumbnail for Theresienstadt Ghetto
    1944, which greatly exceeded that in other Nazi concentration camps and ghettos. The inmates were free from the usual rules of Nazi censorship and the...
    69 KB (8,127 words) - 19:10, 24 May 2025
  • Thumbnail for Humidity
    Humidity (redirect from Air humidity)
    Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity...
    72 KB (7,516 words) - 18:05, 26 June 2025
  • Thumbnail for Hypoxia (medicine)
    2017. Retrieved 10 December 2022. West, John B. (1995). "Oxygen Enrichment of Room Air to Relieve the Hypoxia of High Altitude". Respiration Physiology...
    108 KB (11,681 words) - 04:10, 3 June 2025
  • Thumbnail for Rare-earth element
    respiratory systems. Research from Baotou, China shows that the fluoride concentration in the air near REE mines is higher than the limit value from WHO, but the...
    157 KB (16,756 words) - 20:55, 22 June 2025
  • Thumbnail for Nitrogen
    Nitrogen (redirect from Noxious air)
    be somewhat alleviated by isotopic enrichment of 15N by chemical exchange or fractional distillation. 15N-enriched compounds have the advantage that under...
    107 KB (12,510 words) - 18:45, 25 June 2025
  • Thumbnail for Oxy-fuel combustion process
    fuel power plants with an oxygen-enriched gas mix instead of air. Almost all of the nitrogen is removed from input air, yielding a stream that is approximately...
    13 KB (1,606 words) - 06:16, 9 April 2025
  • Thumbnail for Abdul Qadeer Khan
    Nederland of the, British-German-Dutch uranium enrichment consortium, URENCO which was operating a uranium enrichment plant in Almelo and employed gaseous centrifuge...
    102 KB (9,643 words) - 09:02, 22 June 2025
  • Thumbnail for Diethylzinc
    through an enrichment centrifuge. The pyrophoricity of diethylzinc can be used to test the inert atmosphere inside a glovebox. An oxygen concentration of only...
    12 KB (1,163 words) - 07:53, 23 May 2025