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...
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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
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...
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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...
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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
Marine isotope stages (redirect from Oxygen isotope stage)
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
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
Isotope analysis (section Oxygen-18)
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
The oxygen–hemoglobin dissociation curve, also called the oxyhemoglobin dissociation curve or oxygen dissociation curve (ODC), is a curve that plots the...
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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...
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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
describes the global annual average relationship between hydrogen and oxygen isotope (oxygen-18 and deuterium) ratios in natural meteoric waters. The GMWL was...
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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...
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effects can be sensed over time by studying the concentration of the Oxygen-18 isotope within caves. After the cyclone has occurred, devastation often...
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Oxygen Not Included is a survival simulation video game developed and published by Klei Entertainment. After being released on Steam's early access since...
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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...
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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...
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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
Heavy water (redirect from Heavy-oxygen 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
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...
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30 January 2016. "After Action Hero Biju Anu Emmanuel in Telugu Movie Oxygen". 18 December 2015. "Sivakarthikeyan is thrilled about Namma Veettu Pillai...
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VO2 max (redirect from Maximum Oxygen Uptake)
V̇O2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during...
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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
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...
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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
Hypoxia (medicine) (redirect from Oxygen starvation)
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