• Oxygen-18 (18 O, Ω) is a natural, stable isotope of oxygen and one of the environmental isotopes. 18 O is an important precursor for the production of...
    9 KB (1,021 words) - 15:51, 20 May 2024
  • Thumbnail for Oxygen
    Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal...
    114 KB (11,791 words) - 10:30, 23 June 2024
  • Thumbnail for Liquid oxygen
    Liquid oxygen, sometimes abbreviated as LOX or LOXygen, is a clear light sky-blue liquid form of dioxygen O2. It was used as the oxidizer in the first...
    11 KB (1,147 words) - 02:41, 29 June 2024
  • Thumbnail for Fluorine-18
    electron capture 3.3% of the time. Both modes of decay yield stable oxygen-18. 18 F is a natural trace radioisotope produced by cosmic ray spallation...
    8 KB (872 words) - 14:54, 6 February 2024
  • Thumbnail for Oxygen therapy
    Oxygen therapy, also referred to as supplemental oxygen, is the use of oxygen as medical treatment. Supplemental oxygen can also refer to the use of oxygen...
    66 KB (7,102 words) - 04:34, 26 June 2024
  • Thumbnail for Marine isotope stages
    marine oxygen-isotope stages, or oxygen isotope stages (OIS), are alternating warm and cool periods in the Earth's paleoclimate, deduced from oxygen isotope...
    17 KB (2,215 words) - 15:18, 23 June 2024
  • There are three known stable isotopes of oxygen (8O): 16 O , 17 O , and 18 O . Radioactive isotopes ranging from 11 O to 28 O have also been characterized...
    25 KB (2,079 words) - 03:39, 25 June 2024
  • contains about 5% less oxygen-18 and 42.8% less deuterium than VSMOW. A scale based on VSMOW and SLAP is used to report oxygen-18 and deuterium concentrations...
    21 KB (2,411 words) - 22:12, 26 June 2024
  • Thumbnail for Oxygen toxicity
    Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O 2) at increased partial pressures. Severe cases can...
    117 KB (11,913 words) - 12:40, 24 June 2024
  • Thumbnail for Isotope analysis
    region for 10 years or longer, the isotopic oxygen ratios in the bone hydroxyapatite would reflect the oxygen ratios present in that region. Teeth are not...
    36 KB (4,422 words) - 15:46, 29 June 2024
  • Thumbnail for Oxygen–hemoglobin dissociation curve
    The oxygen–hemoglobin dissociation curve, also called the oxyhemoglobin dissociation curve or oxygen dissociation curve (ODC), is a curve that plots the...
    23 KB (2,858 words) - 08:08, 28 June 2024
  • when ethyl propionate with an oxygen-18 labeled ethoxy group is treated with sodium hydroxide (NaOH), the oxygen-18 is completely absent from the sodium...
    18 KB (2,269 words) - 02:00, 19 June 2024
  • An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an...
    26 KB (3,108 words) - 00:28, 7 June 2024
  • Thumbnail for Global meteoric water line
    describes the global annual average relationship between hydrogen and oxygen isotope (oxygen-18 and deuterium) ratios in natural meteoric waters. The GMWL was...
    10 KB (1,096 words) - 10:15, 30 April 2024
  • uppercase letter Ω is used as a symbol: In chemistry: For oxygen-18, a natural, stable isotope of oxygen For omega loop, a protein structural motif consisting...
    16 KB (1,692 words) - 00:05, 11 May 2024
  • Thumbnail for Effects of tropical cyclones
    effects can be sensed over time by studying the concentration of the Oxygen-18 isotope within caves. After the cyclone has occurred, devastation often...
    32 KB (3,510 words) - 20:52, 27 March 2024
  • Oxygen Not Included is a survival simulation video game developed and published by Klei Entertainment. After being released on Steam's early access since...
    9 KB (883 words) - 20:21, 30 November 2023
  • with heavy but non-radioactive forms of each element (deuterium, 2H; and oxygen-18, 18O). In theory, radioactive heavy isotopes of the elements could be...
    12 KB (1,905 words) - 20:19, 6 June 2024
  • Δ18O (redirect from Delta-O-18)
    paleoceanography δ18O or delta-O-18 is a measure of the deviation in ratio of stable isotopes oxygen-18 (18O) and oxygen-16 (16O). It is commonly used as...
    10 KB (1,096 words) - 01:15, 19 June 2024
  • Thumbnail for Radioisotope thermoelectric generator
    with the oxygen-18 and oxygen-17 present in the oxide. The normal amount of oxygen-18 present in the natural form is 0.204% while that of oxygen-17 is 0...
    64 KB (7,010 words) - 00:33, 30 June 2024
  • Thumbnail for Heavy water
    (homoisotopic) heavy water molecules. Water enriched in the heavier oxygen isotopes 17 O and 18 O is also commercially available. It is "heavy water" as it is...
    82 KB (9,705 words) - 21:51, 17 June 2024
  • Thumbnail for Blood
    Blood (redirect from Oxygen transport)
    other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic waste products away from those same...
    58 KB (6,555 words) - 16:51, 27 June 2024
  • Oxygen-17 (17O) is a low-abundance, natural, stable isotope of oxygen (0.0373% in seawater; approximately twice as abundant as deuterium). As the only...
    5 KB (546 words) - 23:48, 14 June 2023
  • Thumbnail for Anu Emmanuel
    30 January 2016. "After Action Hero Biju Anu Emmanuel in Telugu Movie Oxygen". 18 December 2015. "Sivakarthikeyan is thrilled about Namma Veettu Pillai...
    12 KB (797 words) - 21:17, 14 June 2024
  • V̇O2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during...
    33 KB (3,470 words) - 18:16, 16 June 2024
  • Thumbnail for Basic oxygen steelmaking
    Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz-Donawitz steelmaking or the oxygen converter process, is a method of primary steelmaking...
    14 KB (1,894 words) - 13:45, 26 May 2024
  • Thumbnail for Oxygen scavenger
    Oxygen scavengers or oxygen absorbers are added to enclosed packaging to help remove or decrease the level of oxygen in the package. They are used to help...
    10 KB (1,000 words) - 09:10, 10 June 2024
  • Thumbnail for Biochemical oxygen demand
    Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed...
    31 KB (4,218 words) - 11:08, 20 May 2024
  • Thumbnail for Hypoxia (medicine)
    condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level. Hypoxia may be classified as either generalized...
    107 KB (11,638 words) - 03:42, 17 June 2024
  • calcium, 41.4% of oxygen, 18.5% of phosphorus, and 0.2% of hydrogen by mass. Chondroitin sulfate is a sugar made up primarily of oxygen and carbon. Bone...
    21 KB (2,502 words) - 13:26, 17 May 2024