How To Use Oxygen In A Sentence
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The ether gradually absorbs oxygen from the atmosphere, being converted into acetic acid; this, by its superior affinities, reacts on the iodide present, converting it into acetate, with liberation of hydriodic acid; while this latter, under the influence of the atmospheric oxygen, is very rapidly converted into water and iodine.
Notes and Queries, Number 227, March 4, 1854 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc.
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Instead of leaving, the fish crowded towards the back of the Redondo Beach marina and used all the oxygen in the water, marine experts have said.
Millions of sardines die in Californian marina
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Many metals are readily oxidized by oxygen in the atmosphere.
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To avoid having sodium react with oxygen or water vapor in the air, it is usually stored under kerosene, naphtha, or some other organic liquid with which it does not react.
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Iron, in contrast, combines with elements such as oxygen and sulphur to make mineral ores.
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The decrease in myocardial oxygen consumption was evidenced by a gradual decline in atrioventricular oxygen difference, indicating a decrease in myocardial oxygen uptake relative to supply.
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Aerogels had been largely forgotten when, in the late 1970s, the French government approached Stanislaus Teichner at Universite Claud Bernard, Lyon seeking a method for storing oxygen and rocket fuels in porous materials.
A Real Spinoff that NASA Has Seemingly Forgotten About - NASA Watch
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In this crucible I have mixed together just one ounce of sugar and one and one-eighth ounces of solidified oxygen, solidified by the force of chemical affinity and bound up in a white salt called chlorate of potash.
Religion and Chemistry
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Thus, local oxygen partial pressure at the alveolar level is much higher than in other vital organs such as heart, liver, and brain.
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Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
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His throat burned for oxygen and he felt his ribs compressing, compacting, and ready to break.
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These calories are used to: replenish your glycogen (the way you store fuel in your muscles and liver) and oxygen stores. resynthesize phosphagen (ATP-PC). remove lactate. repair the wear and tear on your muscles caused by exercise (and these patch kits are made up of protein, which is costly in terms of calories). return your increased ventilation, blood circulation and body temperature to pre-exercise levels. hormones exercise induces (which also require protein).
Chicagotribune.com -
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Heart failure means that the heart muscle is not pumping well enough to meet the need for oxygen-rich blood.
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As I understand, its the oxidization that is a problem, so if you did what they do with winesavers and the like -- replace oxygen in container with food grade nitrogen, you should slow the process down.
The Coffee Geek’s Guide To Storing Beans | Lifehacker Australia
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Harbor seals have muscles rich in myoglobin, an oxygen carrying molecule.
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The protons recombine with the oxygen in the air that's also flowing through the fuel cell and is then expelled as water vapor.
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The red blood cell is finally a small bag containing haemoglobin molecules for transporting oxygen.
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On oxygen 24-hours-a-day, the 54-year-old suffers from cryptogenic fibrosing alveolitis.
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The majority of the oxygen supplied to the cell is utilized by the mitochondria to make a chemical known as adenosine triphosphate, or ATP.
Forever Young
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He needed an oxygen machine to help him breathe and a team of nurses to roll him over in bed.
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High PO2 levels help produce an efficient decompression profile providing they are balanced against oxygen toxicity.
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These superconductors usually contain more oxygen atoms than predicted by valence theory.
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Enhanced algae growth in the reservoir consumes the oxygen in the epilimnion and, as it decays, the mass sinks to the already oxygen-deficient hypolimnion, where decay processes reduce the oxygen concentration even further, resulting in acid conditions at lower levels and the dissolution of minerals from the reservoir bed.
Chapter 8
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Preliminary analysis: death from overdose of coldsleep drugs, combined with oxygen starvation and dehydration when cocoon failed to properly deploy.
The City Who Fought
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This exercise involves the assembly of a glucose biosensor with the glucose oxidase immobilised within a membrane at the surface of polarographic oxygen electrode.
Archive 2004-12-01
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Many fishes have trouble surviving as lakes’ temperatures rise and dissolved-oxygen levels fall, but the arapaima thrives because it breathes atmospheric oxygen through its mouth.
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Create more red blood cells and oxygenate your body.
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Combustion, or burning, is a chemical process involving carbon, hydrogen and oxygen.
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Hyperimmune responses, either at the initial immunisation challenge or in the amplification of immune response, can be observed in cellular mechanisms such as basophil degranulation, or at a molecular level, with changes in the levels of messengers such as leukotrienes; reduction of the intensity of these mechanisms are described in terms of molecular pharmacology, such as selective or nonselective inhibition of lipoxygenases.
Citizendium, the Citizens' Compendium - Recent changes [en]
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But if some of the organic carbon is taken out, some of the oxygen is surplus to requirements.
Eating the Sun: How Plants Power the Planet
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These materials contain planes in which copper and oxygen atoms are chemically bonded to each other.
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The mangroves' waterlogged roots decayed into peat, and the peat's acidity and lack of oxygen kept the wood from rotting.
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Cyclohexanone monooxygenase 1.14.13.22 1 Nomenclature EC number 1.14.13.22 Systematic name cyclohexanone: NADPH: oxygen oxidoreductase (6-hydroxylating, 1,2-lacto - nizing) Recommended name cyclohexanone monooxygenase Synonyms CHMO
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Jackson and three companions plan to climb K2 without bottled oxygen, but it is the descent that is most tricky.
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A molecule of water is made up of two atoms of hydrogen and one atom of oxygen.
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When oxygen is supplied to a flame it burns faster; the same thing happens to our body when we walk aerobically.
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The sample was pretreated with HCI and NaOH before organic carbon was extracted using an oxygen plasma.
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The patient didn't seem to be getting enough oxygen.
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An agent for eliminating singlet oxygen which comprises a colloidal solution of a platinum group metal; and a composition comprising the agent as an effective component.
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In the oxygen-deprived nightmare that is Nordic skiing, it helps to be a freak of nature.
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Finally, as we are running full out, our lungs are taking in oxygen as fast as they can to feed this whole process.
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The fumigation and oxygenation apparatus comprises a large stone jar with a glass funnel and a pipe leading into the room.
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These metabolites cause hemoglobin to be oxidized to methemoglobin which is unable to transport oxygen. 3 The presence of significant amounts of methemoglobin causes normal hemoglobin to hold on tighter to oxygen.
Phenazopyridine
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Further exposure to oxygen converts the acetaldehyde to acetic acid, the acidic component of wine vinegar, the wine-maker's bête noire.
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In this way heart rate, respiration rate, oxygen consumption, and muscle tension all reduce without conscious effort.
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These tiny blue-green algae refashioned their world by excreting oxygen while using hydrogen from water.
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The products of this reaction are oxygen (O2), water, and carbohydrates, such as starches and sugars (Figure 5.5).
5. How plants live and grow
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Plant roots need oxygen for the uptake of water and nutrients and so do not penetrate below the water table (apart from those such as mangrove types with special adaptations).
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AGB stars in which the abundance of carbon atoms exceeds that of oxygen atoms have chemistries dominated by carbon and are known as carbon stars.
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These bacteria are all facultative aerobes, meaning that they are oxygen tolerant.
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He was given oxygen by medical staff before walking unaided to an ambulance.
Times, Sunday Times
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Was dissolved oxygen in the water greater than 80% of saturation?
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A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.
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Lastly, this is the simplest transition yet disclosed from the succinyl to furfural grouping, being effected by a regulated proportion of oxygen, and under conditions of reaction which may be described as of the mildest.
Researches on Cellulose 1895-1900
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Paul Bert, in his remarkable studies on the influence of barometric pressure on the phenomena of life, has recognized the fact that compressed oxygen is fatal to certain ferments, whilst under similar conditions it does not interfere with the action of those substances classed under the name of soluble ferments, such as diastase (the ferment which inverts cane sugar), emulsin and others.
VI. The Physiological Theory of Fermentation. Reply to the Critical Observations of Liebig, Published in 1870
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He notes a case where a user inhaled the gas from a mask directly attached to a medical gas tank, lost consciousness, and subsequently died from oxygen deprivation.
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During the eight and a half minutes of main engine burn time, those pumps will have moved about 528,600 gallons of liquid hydrogen and oxygen.
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Oxygen Concentrator , Breast Pump, Ultrasonic Nebuliser, Compressor Nebuliser, Oxygen Mask Sets Pumps and Pumping Equipment.
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It is ravaging the ecosystem because it consumes large quantities of oxygen, suffocating other marine life.
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For instance, the critical temperature of a high - Tc superconductor is quite sensitive to its oxygen pressure.
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Blood then courses down through the descending aorta and comes back to the placenta where it gets oxygenated again by way of two umbilical arteries.
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As molecular _vis viva_ the waves disappear, but in so doing they re-endow the atoms of oxygen and hydrogen with tension.
Fragments of science, V. 1-2
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Energy is generated by the reaction of hydrogen and oxygen across a catalytic membrane.
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Blood doping increases the volume of oxygen available to muscles.
Times, Sunday Times
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Yet I am undeniably attractive, stylish and able to yomp around the countryside for hours on end without needing an oxygen tent.
Feeling curvy? Or just fat?
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The partial negative charge on the oxygen atom makes it susceptible to acid catalysis.
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~ When the quantitative synthesis of water is carried out in the eudiometer as described above, the water vapor formed by the union of the hydrogen and oxygen at once condenses.
An Elementary Study of Chemistry
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Iron likewise combines with a considerable variety of substances other than oxygen; and some of these compounds, as for instance iron carbonate (siderite), iron silicate (chamosite, glauconite, etc.), and iron sulphide (pyrite), are locally mined as iron ores.
The Economic Aspect of Geology
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He will have to spend hours before his leap inhaling pure oxygen to dispel any traces of nitrogen from his blood due to the thinness of the air at 40,000 m.
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These drugs can slow the force of contraction of the heart and dilate the coronary arteries, thus reducing the demand for oxygen and increasing supply to the heart.
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This atomic chlorine reacts readily with ozone to produce chlorine monoxide and molecular oxygen.
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Whoever made the original choice of plants did a splendid job, leaving us a mix of marginals, surface-leaved and submerged oxygenating plants, all of which I would highly recommend to fellow novice pond keepers.
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And a walk-in closet once filled with medical equipment including oxygen tanks is seen to be empty.
The Sun
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This means that your flesh is doomed to meet the oxygen deficit!
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To complete the cycle, oxygen is necessary.
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The right side of the heart receives deoxygenated blood though the veins.
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An interesting variant of normal photosynthesis is the simultaneous photoevolution of molecular hydrogen and oxygen by certain unicellular algae and in vitro cell-free preparations.
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To the right of my bed is the "oxygen dilutor" button and above me are 101 knobs and buttons for radio traffic control.
The Local - Sweden's news in English
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Wearing a mask to accelerate his oxygen intake, he sometimes would be joined by a therapist who worked on his leg, massaging the tissue.
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Juveniles have no need to move because they are oxygen requirements are unknown for this group of organisms and circulation is limited to the movement of fluid through the large pseudocoel.
Featured Articles - Encyclopedia of Earth
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Orozco fell to his knees, seeking the undepleted oxygen that stays close to the ground; Moland fell on top of him.
Earth, Wind And Wildfire
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Most of your mass is carbon, oxygen, hydrogen, sulfur, plus some nitrogen and phosphorous.
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The free oxygen then burnt with the graphite core, which then reacted with the hydrogen.
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It turns out that the gradient in oxygen, declining to zero in the sulfurous sediments beneath the surface, is an electric gradient as well, and that the worms use this to advantage in producing metabolic fuel.
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Gibson, D.T.: Regio - and stereospecific oxidation of fluorene, dibenzofuran, and dibenzothiophene by naphthalene dioxygenase from Pseudomonas sp. strain NCIB 9816-4.
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The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
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That leaves the oxygen with a very friendly bond dangling, and it likes to hook up with its nearby carbon buddy, to form what is called the carbonyl bond.
Alcohol
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Like oxygen bottles on Everest and increasing Himalayan tourism, bolting is something which has to be controlled.
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Gray matter burns through a fifth of the body's oxygen, while its natural protectants against oxidative stress, which are imperfect to begin with, only weaken as you get older.
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Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
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These solutions included, in addition to the artificial kidney, Europe's first blood bank, oxygenators and an artificial heart.
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Feel the oxygen entering the lungs then blow the air out again.
Times, Sunday Times
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As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian.
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All forms of hypertension can constrict the blood vessels in the uterus that supply the fetus with oxygen and nutrients.
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Symptoms of the severe stage include oliguria (decreased urine output), hypoxemia (low partial pressure of oxygen in the blood), low platelet count, trouble breathing, areas of mottled skin or a sudden change in mental state or condition.
EHow - Health How To's
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Until now Zak, who can't eat and is fed through tubes in his stomach, only had to go on oxygen at night after his oxygen levels dropped sapping him of energy.
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The rainforests have almost no net effect on the world's oxygen levels, since decaying plant matter in the rainforests uses about as much oxygen as the rainforests produce.
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I'm taking a bit of a liberty here by omitting alcohols, ethers, and other oxygenated compounds, partly because, ethanol and MTBE notwithstanding, they still don't amount to a large fraction of the mix, and partly because their photochemistry is pretty close to that of paraffins, or ketones that don't photolyze, i.e. break up by the direct action of sunlight.
Hot Buttered
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Hydrogen and oxygen combine to form water.
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His oxygen saturation was 98 per-cent as measured by pulse oximetry, and his peak flows were only mildly reduced from his baseline.
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The symbol for oxygen is O2.
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Additionally, bacteria feeding on the bloated fish corpses could multiply and further deplete the oxygen.
Millions of sardines die in Californian marina
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Although the most common anion formed by oxygen is monatomic, oxygen can also form diatomic ions known as peroxides and superoxides (monovalent).
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Wood is composed of duramen or heartwood, and alburnum or sapwood, and when dry consists approximately of 49 per cent by weight of carbon, 6 per cent of hydrogen, 44 per cent of oxygen, and 1 per cent of ash, which is fairly uniform for all species.
Seasoning of Wood
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Plants can form what he calls oxygen (O) roots and water/nutrient (W/N) roots.
17: Above-ground (urban) gardens
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ATM recognizes damage caused by reactive oxygen species (ROS) and tells the cell to stop growing by suppressing the protein-synthesizing pathway mTORC1 or orders the cell to consume itself, a process called autophagy," Walker said.
PhysOrg.com - latest science and technology news stories
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They are squeezed and pasteurized and, if they are not bound for frozen concentrate, are kept in aseptic storage, which involves stripping the juice of oxygen in a process called "deaeration," and kept in million-gallon tanks for up to a year.
ABC News: Top Stories
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Chlorine does not undergo combustion, although it does support combustion in much the same way as does oxygen.
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There had to be oxygen present, and the surface on which the match was struck had to be of a certain kind.
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These nutrients help transport oxygen round the body to promote healthy hair follicles and cell growth.
The Sun
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Besides hydrogen and its isotope deuterium, researchers use the isotopes of boron, oxygen, nitrogen and carbon.
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In the oxygen making, any careless use will cause explosion of the air separation equipment, whose consequence is extremely serious, either suffering injury or personnel casualty.
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Both oxygen and glucose are essential for life and health.
The Antioxidant Health Plan
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Oxygen masks are used in aircraft only in emergencies.
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Ferrous and ferric iron catalyze the formation of reactive oxygen metabolites, which may mediate mucosal injury.
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Preeclampsia was linked to levels of oxygen in the blood and a protein called angiotensinogen.
The Sun
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Bacteria use oxygen to convert organic waste to carbon dioxide, water, and more bacteria.
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There is gap corrosion between mainstream tube and branch tube, due to oxygen concentration-difference cell and self-catalysis of chlorine ions, which accelerates corrosion.
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A bioselective membrane electrode sensitive to methyldopa has been prepared by means of banana tissue covering an oxygen electrode and made in flow type.
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The sea snake's skin is impermeable to water but they can extract 20% of their oxygen needs through their skin from oxygen dissolved in seawater.
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Those compounds should be abundant on a planet, but pure oxygen, whether monatomic or molecular, should be vanishingly scarce - as it is, in fact, on Mars and Venus.
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In the water molecule there are three atoms: two of hydrogen and one of oxygen.
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Sufficient moisture must be present to penetrate the testa or seed coat, but not so much that the seed rots or that the oxygen level in the soil is reduced.
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Your muscles need a certain amount of oxygen.
Times, Sunday Times
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The tube is quite thin so the branchiae probably are used mostly to acquire oxygen and carbon dioxide.
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However, reactive oxygen species generated by UVA radiation, particularly singlet oxygen, can also damage nucleic acids.
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This tones and slims your legs big time because your body gets put into an oxygen deficit which basically forces it to suck body fat from you to meet it's immediate energy needs.
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Let your arms swing with you and feel the energy coming from the extra oxygen you are breathing.
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A good costume for trick-or-treating on this frigid planet would be a toasty self-heating spacesuit, an oxygen supply, ice skates and plenty of hot cocoa.
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As for wine, oak not only imparts some specific qualities as extractable substances, it also allows slow oxygenation of the spirit.
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We coated our tissue heart valves and oxygenators used in heart surgery with coatings we obtained from the outside.
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Manganese dioxide is used to: manufacture ferroalloys; manufacture dry cell batteries (it's a depolarizer); to "decolorize" glass; to prepare some chemicals, like oxygen and chlorine; and to dry black paints.
Manganese
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The heat brings about a chemical reaction, and oxygen is liberated.
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Your child will then be observed for another day to ensure that the airway is safe, and that your child is getting enough oxygen and is drinking normally.
Laryngomalacia
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Hence it had the important theoretical and practical meanings to discuss internal relation between dissolved oxygen and organic evolution.
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Then up again, all in oxygen so thin that your pulse rate is 50 percent higher.
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oxygen free radicals are normally removed in our bodies by the superoxide dismutase enzymes
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In this case, the heat has caused the carbon to unite with the element oxygen which exists in the air in the form of a gas, and a chemical compound is formed which we call carbon dioxid.
The Story of the Soil; from the Basis of Absolute Science and Real Life,
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Directly measured tissue oxygen tension and arterial oxygen tension assess tissue perfusion.
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Without it, the insides of the lungs tend to stick together, making it harder to take in oxygen.
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Hence it had the important theoretical and practical meanings to discuss internal relation between dissolved oxygen and organic evolution.
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Dr. Sergei Kirov, a neuroscientist in the Medical College of Georgia Schools of Medicine and Graduate Studies, has revealed that it is called anoxic depolarisation, and it primarily results from the brain getting insufficient blood and oxygen after a stroke.
Dailyindia.com News Feed
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Other than releasing oxygen in the air, money plant can also eliminate formaldehyde from the air that is commonly released by cigarette smoke and adhesives (used with wood furnishings).
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Potassium, a macronutrient for plants, is present in plant dry matter next to carbon, hydrogen, oxygen, and nitrogen and before sulphur and phosphorus.
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The further separation yielded 12 fractions containing aliphatic and alicyclic, 24 containing aromatic and 1 containing nitrogen, sulphur and oxygen containing compounds (NSO fraction).
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It may react with molecular oxygen and form quinone and superoxide radicals.
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One possible source for this high frequency dispersion could be trace amounts of adventitious oxygen or contributions from iron.
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The spacing between the protruding oxygen atoms is comparable to the spacing between certain of the hydroxyl groups in layers of magnesium hydroxide (brucite) or aluminum hydroxide (gibbsite).
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An experiment appearing in the 9 July PRL uses some of the world's shortest pulses of x-ray light to watch an oxygen molecule flip on a platinum surface.
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A close inspection reveals that in a past life they were oxygen tanks.
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Blood doping increases the volume of oxygen available to muscles.
Times, Sunday Times
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The main artery of the body; it leads out from the left ventricle of the heart, carrying arterialized blood (blood that has been acted upon by oxygen) to all parts of the body except the lungs.
A Handbook of Health
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But after mechanical fishing dredges destroyed the oyster reefs early in the 20th Century, the water became increasingly turbid and oxygen deficient.
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They placed the child in an oxygen tent when he had difficulty in breathing.
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It floats in circulating hemolymph that is presumably oxygenated from non-lantern tracheal sources.
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Pulse oximetry is a painless way to monitor the oxygen level of the blood.
Tricuspid Atresia
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They are actually having to regroup right now, bring up sort of their heavy duty breathing apparatus to kind of replenish the oxygen supplies.
CNN Transcript Jan 3, 2006
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This means that your flesh is doomed to meet the oxygen deficit!
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Then the twist of the scissile bond, together with the bending of − 1 NAG, makes the glycosidic oxygen accessible to the catalytic residue Glu315 for cleavage
PLoS ONE Alerts: New Articles
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He breathes from a portable oxygen canister while doing his preflight, being sure not to inhale any outside air as it would instantly cancel out the effects of the pre-breathing.
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The more rapidly water gets into circulation, the more action of denitrifying bacteria in breaking down nitrate beds to increase the atmospheric nitrogen supply and the spread of plants to produce oxygen will be accelerated.
The Case for Mars
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Applicable Cleaning Aids: Cleaning aids that can be used simultaneously include: Powder detergent, oxygen bleaching powder, special soap powder and chlorine bleaching powder.
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The men reportedly suffocated after being held for hours in a vehicle that lacked oxygen.
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The muscles will continue to work for a while with less oxygen, but in doing so, make a product called lactic acid.
Coping with Angina
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Approximately 535,000 gallons of supercold liquid oxygen (LOX, minus 298 deg F) and liquid hydrogen (LH2, minus 423 deg F ) are loaded from storage tanks around the pad to the shuttles mobile launch platform and is nearly complete as of 7 AM.
Tweeters and Atlantis Ready for Launch | Universe Today
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O is the chemical symbol for oxygen.
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Plants clean the very air we breathe, trapping pollutants, taking in carbon dioxide and releasing oxygen.
The Sun
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I asked myself where my mother could be, whether she'd also been able to withstand the poison, her lungs adapt to this solitary inclemency and the dearth of oxygen.
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As oxyhemoglobin circulates to deoxygenated tissue, oxygen is incrementally unloaded and the affinity of hemoglobin for oxygen is reduced.
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It was here that he invented the oxy-hydrogen blowpipe, a system for burning a jet of oxygen and hydrogen to produce an intensely hot flame.
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A two - component rocket propellant, such as liquid hydrogen and liquid oxygen chamber as fuel and oxidizer.
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So the coach of course is not experiencing the pain of the athlete who's running, for example and who's now in a state of oxygen debt and experiencing muscle burn and so forth.
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Methods of extraction 1) by heat alone: thermal decomposition silver oxide sliver + oxygen 2) by heating with carbon copper +carbon copper + carbon oxide dioxide
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A couple of oxygenates are anacharis, and elodea.
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The amount of hemoglobin in the blood is an indicator of the amount of oxygen the blood can carry throughout the body.
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The faster we can clean the blood, the more nutrients and oxygens the blood can carry.
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To examine the regulation of alpha-enolase and MBP-1 by a hypoxic microenvironment in breast cancer, MCF-7 cells were grown in low, physiologic, or high glucose under 1% oxygen.
BioMed Central - Latest articles
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Fish wastes and unconsumed feed smother the sea floor beneath these farms, generating bacteria that consume oxygen vital to other sea life.
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Low molecular weight aldehydes and ketones are soluble in water because the carbonyl oxygen atom allows the molecules to form strong hydrogen bonds with the molecules of water.
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This is interesting for the Plumeria Kingdom to think about as humans need oxygen to breathe to sustain health of the body more than they require oxygen to clean their clothes or freshen the home.
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Then had come the colonists, with their tractors and their rolls of stellene to make sealed dwellings and covered fields in that thin, almost oxygenless atmosphere.
The Planet Strappers
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The increased accumulation of lipid peroxides is indicative of enhanced production of toxic oxygen species.
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A constant supply of cold, oxygen-deficient water from artesian springs maintains the glacial-like characteristics of prairie fens.
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When an element is caused to combine with oxygen it is oxidized.
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Great acting or no great acting, there are a rare few movies that trap you in a room with two actors for 97 minutes that don't have you begging for oxygen.
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The first allegation was that a misplaced catheter gave misleading readings of oxygen pressure.
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Besides requiring vitamin K, these extrinsic factors need carbon dioxide and oxygen for carboxylation.
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Rescuers last night needed more than 20 hours to replan and replenish oxygen supplies before the next mission.
The Sun
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Patients with COPD have progressive airflow limitation leading to disabling dyspnea, with an inability to properly oxygenate the blood.
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During aestivation in the lab, the oxygen consumption rate of Cyclorana cultripes fell significantly by 70%.
Archive 2006-04-01
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Consequently, other atomic weights calculated by reference to oxygen also remained debatable.
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So, too, they claim that there are two distinct processes carried on by the leaves of plants, -- namely, respiration and digestion: that the first is analogous to the same process in animals; and that by it oxygen is absorbed from, and carbonic acid returned to the atmosphere, though to a limited degree: and that digestion consists in _the decomposition of carbonic acid by the green tissues of the leaves under the stimulus of the light, the fixation of solid carbon, and the evolution of pure oxygen_.
The Atlantic Monthly, Volume 08, No. 47, September, 1861
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Also, if the rain washes the liquor or compost off the fields into the waterways, it won't deplete oxygen the way fresh unfermented manure does.
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Oxygen also occurs in the hydrosphere in the form of water, of which it makes up nearly 89% by weight, and in the Earth's crust.
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It is a very active metal that reacts vigorously with oxygen in the air, catching fire spontaneously.
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The leaner the muscle gets the more it needs oxygen.
The Family Nutrition Workbook
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The carboxylate ion has a negative charge, which is delocalized over both oxygen atoms to form a stable resonance hybrid.
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Most of the earth's oxygen is produced in the sea by single-celled organisms.
Environmental Writer Blames Humans for Dying Oceans
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Muscle activity in the presence of enough oxygen is called aerobic exercise.
Coping with Angina
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Anaemia is a condition in which the blood cannot carry enough oxygen to meet the body's needs.
