noun
COLLOCATIONS FROM OTHER ENTRIES
oxygen bar
oxygen debt
oxygen mask
oxygen tent
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
arterial
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Nineteen of the children who died were hypoxaemic on admission with arterial oxygen saturations ranging from 88% to 40%.
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Among children who survived for at least five days arterial oxygen saturation on admission ranged from 41% to 98%.
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The arterial oxygen saturation and pulse rate of all patients were monitored by pulse oximetry before and during the procedure.
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Comparison of mean arterial oxygen saturation between the groups showed significantly higher levels in the nasal oxygen group throughout the procedure.
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Directly measured tissue oxygen tension and arterial oxygen tension assess tissue perfusion.
atmospheric
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Animals and human volunteers will be maintained at various atmospheric pressures and oxygen concentrations while their biochemistry is monitored.
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Some 1800 million years ago atmospheric oxygen was fast approaching the present level of about 21 percent of the total.
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Carbon atoms can form bonds not only with themselves but with the atoms of important atmospheric gases, oxygen and nitrogen.
dissolved
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While you do this, monitor the water for ammonia, nitrite and dissolved oxygen .
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Was dissolved oxygen in the water greater than 80 percent of saturation?
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Of the three dissolved oxygen is the most important factor, but we can ignore none.
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But in doing so, they burn the water's dissolved oxygen .
extra
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Kelsey spent five weeks on a ventilator and still needed extra oxygen until last week.
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However, there is no source of extra oxygen to expend as rocket propellant.
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I have heard it said that when bream break surface it is simply to obtain the extra oxygen available there.
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But the extra oxygen he needed affected his eyes, leaving him nearly blind.
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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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Therefore, as a reasonable approximation, you can neglect the extra oxygen that plants consume at night.
free
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For instance, there almost certainly was no free oxygen in the atmosphere.
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The ones of interest here are a highly reactive chemical species called free oxygen radicals.
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There would be no free oxygen in the atmosphere even today were it not for photosynthesis.
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So could malaria parasites be destroyed by assaulting them with free oxygen radicals?
high
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For that, you must do night jumps at altitudes so high oxygen is required.
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But the converted believe High Pressure oxygen stops the process.
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This nematode haemoglobin is chemically similar to myoglobin and has the highest affinity for oxygen of any known animal haemoglobin.
liquid
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Boiling the liquid oxygen was as good a way of getting it out of the tank.
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The engines of the Atlas burned a modified aviation fuel, similar to kerosene, with liquid oxygen .
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The two prototype pumps, installed in the eastern Paris suburbs of Colombes and Rueil-Malmaison, use liquid oxygen .
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Zubrin proposes burning methane with liquid oxygen for the return trip to Earth.
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By doing without liquid oxygen at take-off, the plane's total weight would be cut almost in half.
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In that case, we would think first of burning hydrocarbons with liquid oxygen , or even using the hydrogen-oxygen propellant combination.
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Driving these cells were the contents of two liquid oxygen tanks and two liquid hydrogen tanks.
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This removes half of the cryogenics problem but leaves us with liquid oxygen .
low
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Symptoms of ammonia poisoning are similar to those of low oxygen , although the fish objects.
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So at low temperatures, oxygen is absorbed more strongly by most species' haemoglobin, and released less easily.
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This enables them to survive in very polluted waters with low levels of oxygen .
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Most obviously, low levels of oxygen asphyxiate fish.
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It can also be brought on by incorrect or over-feeding, low oxygen levels or sudden temperature changes.
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It can also produce problems in hot weather, when your water is capable of holding only low amounts of oxygen .
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High temperatures can result in more problems for Orfe due to low oxygen levels.
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The lowest oxygen saturation recorded throughout the study was 86%.
pure
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He has spent four one-hour sessions in the hyperbaric therapy unit - a pressurised cabin into which pure oxygen is fed.
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The blessed torrent of cool, pure oxygen poured into his lungs.
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In a cabin soaked in pure oxygen at greater than atmospheric pressure for five hours, almost anything bums.
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The oxygen ion passes through the membrane and emerges on the other side as pure oxygen gas.
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There they breathe in pure oxygen at high pressure.
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A pure oxygen atmosphere was used with a pressure of 35 in flight5.
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After 20 sessions, 70 percent of those breathing pure oxygen tired less easily and became more mobile and co-ordinated.
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The only by-product is pure oxygen .
reactive
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Chemiluminescence is a reliable means of estimating reactive oxygen species in biological media.
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Increased reactive oxygen species values in the inflamed colonic mucosa in rats were seen by chemiluminescence.
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An outline of reactive oxygen metabolite chemistry in biological tissues is given in the Figure.
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These three reactive oxygen species are believed to be responsible for tissue injury.
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Chemiluminescence is a simple, sensitive, and reproducible technique that can be used to estimate reactive oxygen species in biological media.
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Using chemiluminescence produced by cells and extracts, several investigators have showed the role of reactive oxygen species in different disorders.
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In contrast, reports on the use of this technique for tissue reactive oxygen species are very limited.
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One potential source for the increased values of reactive oxygen species in inflammatory bowel disease is the neutrophil.
supplemental
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We therefore can not comment on the use of supplemental oxygen in these patients.
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The aim of this study was to investigate the effects of supplemental oxygen both during and after upper gastrointestinal endoscopy.
■ NOUN
atom
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Thus, in our example, no magnesium, carbon or oxygen atoms can be created or destroyed.
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In this group of ions the carbon atom is surrounded by three oxygen atoms in a planar triangle.
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The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
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Is there a molecule that weighs the same as an oxygen atom ?
consumption
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It was known that stimulation caused the heart to increase its oxygen consumption .
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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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Exercise capacity and oxygen consumption are reduced, and the response to physical activity is impaired.
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This, in addition to the continuing oxygen consumption of the fish, bacteria and other pond inhabitants can quickly cause oxygen depletion.
cylinder
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Cursing herself, she snaked a hand back inside for an oxygen cylinder .
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Soon she was barely able to walk and she had oxygen cylinders fitted in her bedroom.
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There were two explosions involving an oxygen cylinder , injuring both men.
gas
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This can lead to oxygen gas being released in blood vessels with potentially dangerous effects on the fish.
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The oxygen ion passes through the membrane and emerges on the other side as pure oxygen gas .
level
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Patrick was grey and blue about the mouth and he appeared to have stopped breathing and his oxygen level was low.
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Besides discussing ducks, the report also will look at reducing erosion, increasing oxygen levels and improving fishing.
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As the water becomes overloaded with nutrients, the algae spreads and oxygen levels fall.
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A few minutes of rest, and he recovered his oxygen level , although something within felt attenuated.
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Cause: Low oxygen levels - particularly after a humid summer night.
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Though not catastrophic, the drop in oxygen levels was bewildering.
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High oxygen levels are not important, for the fish has an air bladder with which it can breathe air.
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A separate oxygen analyser directly below screen checks oxygen levels and cuts off other gases if supply fails.
mask
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They placed an oxygen mask on my love and dared me to count up to ten.
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The shock was terrific, he gasped into his oxygen mask , his hands clenching involuntarily.
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He told me that the oxygen mask had pulled away from my face some, and that I was probably just blacking out.
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But he saw nothing, nothing but dark sky: The oxygen mask was filled with sweat.
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It felt good sitting there with the oxygen mask off and not having to worry about flak.
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They coaxed everything from pygmy mice to snakes to cheetahs into running on a treadmill while wearing an oxygen mask .
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He remembered his oxygen mask and placed it over his mouth after removing the smog mask.
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The car with its whirring air conditioning was like an oxygen mask .
radical
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Chloroplast membranes are very susceptible to attack by oxygen radicals which are generated as a by-product of photochemistry.
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The ones of interest here are a highly reactive chemical species called free oxygen radicals .
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So could malaria parasites be destroyed by assaulting them with free oxygen radicals ?
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To confirm that it was due to free radical production he searched for a less complicated generator of oxygen radicals.
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The source of oxygen radicals in gastric mucosal injury induced by indomethacin in rats is not clear.
saturation
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Pulse oximetry was used to monitor oxygen saturation and heart rate.
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Hence, there is increased oxygen delivered to tissues for a given hemoglobin oxygen saturation .
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Another assessment was done after 5 min stable oxygen saturation .
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During the procedure pulse rate, blood pressure, and oxygen saturation were recorded every minute by the research nurse.
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There was no significant correlation between the frequency of extrasystoles, either supraventricular or ventricular, and oxygen saturation values.
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Among children who survived for at least five days arterial oxygen saturation on admission ranged from 41% to 98%.
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The arterial oxygen saturation and pulse rate of all patients were monitored by pulse oximetry before and during the procedure.
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Supplemental oxygen increases oxygen saturation but does not reduce the incidence of clinically important cardiac arrhythmias.
species
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Chemiluminescence is a reliable means of estimating reactive oxygen species in biological media.
▪
Increased reactive oxygen species values in the inflamed colonic mucosa in rats were seen by chemiluminescence.
▪
These three reactive oxygen species are believed to be responsible for tissue injury.
▪
Chemiluminescence is a simple, sensitive, and reproducible technique that can be used to estimate reactive oxygen species in biological media.
▪
Using chemiluminescence produced by cells and extracts, several investigators have showed the role of reactive oxygen species in different disorders.
▪
In contrast, reports on the use of this technique for tissue reactive oxygen species are very limited.
▪
One potential source for the increased values of reactive oxygen species in inflammatory bowel disease is the neutrophil.
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This superoxide could then be metabolised further to other reactive oxygen species either in colonocytes or in neutrophils.
supply
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The flame is very sooty when the oxygen supply is limited.
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And so some region of the brain might lose its oxygen supply .
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Even higher organisms resort to fermentation as an auxiliary process when the oxygen supply is insufficient.
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Is your oxygen supply at risk?
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Don't tread around bushes to firm them, this will cut off the oxygen supply to the roots.
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A forklift, a back-up generator, oxygen supplies , and a nurse and doctor were good to have along, too.
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Typical dives may last five minutes with a one to two minute interval at the surface when they recharge their oxygen supplies .
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Anaerobic activity does not require an oxygen supply to the muscles for a sudden, short burst of activity.
tank
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Then she groped at her shoulder to where the oxygen tank was moulded around her triceps.
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I ran my hand over the huge jars lined up like oxygen tanks on the kitchen counters against the walls.
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Unfortunately there was a problem with the oxygen tank that was not discovered until the countdown test.
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A close inspection reveals that in a past life they were oxygen tanks .
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The tiny oxygen tank on his back was uncomfortable but deemed necessary in case the mist became too choking.
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In the meantime, he wandered the streets, wheeling an oxygen tank he needed to treat his emphysema, Ewing said.
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But oxygen tanks fuelled the flames.
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The tank that eventually found itself as oxygen tank 2 on Apollo 13 started its life in Apollo 10.
tension
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Our results show that poorly controlled surgical pain significantly reduces tissue-oxygen tension .
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More effective lung perfusion and expansion may have contributed to the more favourable arterial-alveolar oxygen tension ratios in the regulated group.
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The arterial-alveolar oxygen tension ratio is a useful prognostic indicator.
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Tarnow-Mordi etal found the mean arterial-alveolar oxygen tension ratio more closely associated with death than the worst arterial-alveolar oxygen tension ratio.
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This accords with our finding that median arterial-alveolar oxygen tension ratio predicts respiratory outcome better than the minimum ratio.
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Median and minimum arterial-alveolar oxygen tension ratios for ventilated infants on the first day were significantly lower in the random group.
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Wound tissue oxygen tension predicts the risk of wound infection in surgical patients.
tent
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And the idea of this odd man, his chimpanzee and oxygen tent in tow, running a business is bizarre.
■ VERB
absorb
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This has walls thick with blood capillaries which absorb gaseous oxygen .
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The walls of these are thick with blood vessels which absorb gaseous oxygen .
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Fish have to absorb oxygen from water via their gills while whales absorb air via their lungs.
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Carbon monoxide Carbon monoxide is a poisonous gas which, when inhaled, limits the body's capacity to absorb oxygen .
breathe
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When we breathe we take oxygen into the body and expel the waste gas, carbon dioxide, or CO2.
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He starts at 8 a. m. with an hour in the hyperbaric oxygen unit, breathing 100 percent oxygen at two atmospheres.
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There they breathe in pure oxygen at high pressure.
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The faster the heart beats the more rapidly we may be inclined to breathe and the more oxygen we take in.
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This is the source of the oxygen which we all require and which we take in when we breathe .
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In contrast to most plants, they breathe in oxygen and give out carbon dioxide.
carry
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The blood test for anaemia checks the level of haemoglobin, which helps carry oxygen through the blood.
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Nitrite affects the fish by binding with the blood and preventing it carrying as much oxygen as normal.
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The fast-growing capillaries bring blood carrying oxygen and nutrients to the swelling tumour.
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Blood carries essential food and oxygen .
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Vitamin B12 helps to produce red blood cells which carry oxygen , and therefore prevents anaemia and tiredness.
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Eventually, animals may die because their respiratory pigment is no longer able to carry enough oxygen to support their metabolism.
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It binds to haemoglobin much more readily than oxygen , thus allowing the blood to carry less oxygen.
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But did you realise that smoking can impair the blood which carries oxygen to the brain and therefore decrease mental efficiency?
combine
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When they are burned, their carbon combines with oxygen from the atmosphere to form carbon dioxide gas.
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Steam will break down the methanol and extract hydrogen to be combined with oxygen from the air.
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Woodhead etal. combine such analyses with oxygen isotope analyses, and it is variations in the latter that are particularly significant.
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These then combine with other oxygen molecules to form three-atom ozone molecules, resistant to ultraviolet radiation and able to absorb it.
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Oxoanions are given the numerical value of the oxidation number of the element which combines with oxygen in the ion.
contain
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These are usually cyclic molecules, containing carbon-carbon bonds and oxygen atoms of general formula.
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Compounds containing oxygen , which enhances octane rating, have also been added.
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For example, one molecule of oxygen contains two atoms of oxygen.
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The clays consist of silica tetrahedra and the octahedra contain magnesia surrounded by oxygen atoms and hydroxyl groups.
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As water contains oxygen , it does not in fact prevent the paint from drying anyway!
generate
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That released the firing pin, which in turn fired the percussion cap and triggered a chemical reaction that generated oxygen .
increase
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It was known that stimulation caused the heart to increase its oxygen consumption.
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The temporary rise in blood pressure increases the oxygen requirements and creates an extra burden on the heart.
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Leave pumped water to run night and day to increase oxygen content; add more water if needed.
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Besides discussing ducks, the report also will look at reducing erosion, increasing oxygen levels and improving fishing.
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Supplemental oxygen increases oxygen saturation but does not reduce the incidence of clinically important cardiac arrhythmias.
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Hence, there is increased oxygen delivered to tissues for a given hemoglobin oxygen saturation.
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This shift results in increased oxygen delivery to the tissue.
need
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This leads to the heart needing more oxygen .
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But like the brain, a tumor needs oxygen .
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She still needs oxygen for her underdeveloped lungs and needs several different drugs every day.
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When neurons become active, they need more oxygen and glucose.
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Your brain needs oxygen and that means you should breathe plenty of fresh air.
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Secondly, most of these microorganisms need oxygen .
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The plants would then only need to provide his oxygen .
produce
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Rainforests absorb carbon dioxide and produce the oxygen essential for all life, including our own.
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The accumulation of lactate in the blood results from any mechanism that produces oxygen deprivation of tissues and thereby anaerobic metabolism.
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And they produce oxygen which animals need to breathe, and which helps to replace that lost by burning fossil fuels.
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They produced stable oxygen levels slightly higher than on Earth.
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The submerged plants produce oxygen which dissolves in the water, keeping it well aerated.
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They produce oxygen as a waste product, a normally lethal poison to the plant cell.
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The antennae-trap web is now ready to catch more photons and produce more oxygen and electrons to continue the cycle.
receive
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After this blinded choice, patients were randomised again to receive air or oxygen .
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The patient is receiving nasal oxygen .
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Gavin however recovered after receiving oxygen and was able to drive home.
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All contact lenses must be very carefully fitted to allow the cornea to receive enough oxygen .
reduce
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Our results show that poorly controlled surgical pain significantly reduces tissue-oxygen tension.
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It has been shown that an accumulation of carbon dioxide in the water reduces the amount of oxygen carried in the blood.
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This reduces the amount of oxygen available to the tissues.
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Besides discussing ducks, the report also will look at reducing erosion, increasing oxygen levels and improving fishing.
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Plant growth also surges in the sunlight, reducing available oxygen .
release
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These are now increasing needs for detergents to release oxygen at lower temperatures for modern fabrics.
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Another dissolves ilmenite or some other iron mineral in sulfuric acid to release oxygen .
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They then combine the hydrogen with carbon dioxide to form sugars and release the oxygen into the atmosphere.
require
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This would require oxygen at a rate of 0.025 cubic centimetres per hour or 0.6 cubic centimetres per day.
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Beneficial anaerobic filter bacteria require oxygen to oxidise nitrites to safer nitrates.
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Anaerobic activity does not require an oxygen supply to the muscles for a sudden, short burst of activity.
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Such control requires that the oxygen concentration in the blood be accurately measured, and that breathing rate be adjusted accordingly.
starve
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Sealing food in an airtight jar starves the bacteria of oxygen and they are unable to reproduce.
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Medical theorists suggest that these experiences are actually hallucinations caused by the brain's mood-controlling limbic system being starved of oxygen .
use
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Pulse oximetry was used to monitor oxygen saturation and heart rate.
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A fish, like any other animal, uses oxygen and gives off carbon dioxide.
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The advantage lay in their using less oxygen , being less tired and being able to carry more samples and equipment about.
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The ethanol will then be trucked to a Total refinery to be used to add oxygen to gasoline.
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When they eventually start decaying, they use up oxygen dissolved in the water.
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Both missions depart from the space station using hydrogen-oxygen chemical propulsion.
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Only instead of extracting oxygen from water, they use rock.
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The two prototype pumps, installed in the eastern Paris suburbs of Colombes and Rueil-Malmaison, use liquid oxygen .
EXAMPLES FROM CORPUS
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Besides discussing ducks, the report also will look at reducing erosion, increasing oxygen levels and improving fishing.
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In a similar way, sheets of octahedra are formed from aluminium, oxygen and hydroxyl groups.
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Is your oxygen supply at risk?
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Like yeast, the cells in our bodies usually burn glucose with oxygen because it releases so much energy.
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Soon she was barely able to walk and she had oxygen cylinders fitted in her bedroom.
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The relief of pain by oxygen inhalations, which reduce cerebral blood flow, also suggests that this is a factor.
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This increases your heart rate and encourages more oxygen into the body as you breathe more quickly.
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Tired, tired, lungs aching for oxygen .