| 单词 | oxygen |
| 释义 | oxygen (ɒksɪdʒən ) uncountable noun B2 Oxygen is a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live. The human brain needs to be without oxygen for only four minutes before permanent damage occurs. Collocations: oxygen saturation They show your heart rate and the level of oxygen saturation in your blood. Times,Sunday Times Everyone has their blood pressure, pulse and oxygen saturation levels checked first to make sure they are fit for treatment. The Sun At the house, his oxygen saturation levels had mysteriously dropped. Times, Sunday Times News2 allocates a score to vital signs including breathing rate, oxygen saturation, temperature, blood pressure, pulse rate and level of consciousness. Times,Sunday Times It uses a daily test of temperature, resting heart rate, oxygen saturation and resting breathing rate, supplied via equipment given to each user. Times,Sunday Times The garage then replaced an oxygen sensor, but the light quickly came back on. Times, Sunday Times One oxygen sensor sits in the exhaust downpipe, which goes from the engine to the catalytic converter. Times, Sunday Times My garage fitted a new oxygen sensor and the car then passed — but the warning lamp remains lit. Times, Sunday Times An additive in the contaminated fuel appeared to be coating an oxygen sensor in the manifold or damaging it. Times, Sunday Times Most cars also have an oxygen sensor after the catalytic converter to help gauge converter efficiency. Times, Sunday Times It increases blood and oxygen supply, so you feel more alert. The Sun Under stress, the muscles get taut and tight, cutting off the blood and oxygen supply. Times, Sunday Times Plans for shelters were held up by oxygen supply problems. The Sun An oxygen supply provides the occupants with breathable air. Times, Sunday Times The membrane also boosts the islet cells' life span by boosting their oxygen supply. Times, Sunday Times And between them they have spent 15 years running the local multiple sclerosis centre, which gives oxygen therapy to people with this and other conditions. The Sun Scientists say they have reversed two of the biological hallmarks of ageing by giving people oxygen therapy in a pressurised chamber. Times,Sunday Times If her blood oxygen levels are low, she may also require long-term oxygen therapy. The Sun These include sucralfate, hyperbaric oxygen therapy, corticosteroids, metronidazole, argon plasma coagulation, and radiofrequency ablation. Retrieved from Wikipedia CC BY-SA 3.0 Hyperbaric oxygen therapy has also been used with success in some patients. Retrieved from Wikipedia CC BY-SA 3.0 With weakened lungs, she wears an oxygen tube under her nose, trolleying the canister behind her. Times, Sunday Times By the mid-1990s he was suffering from acute emphysema, describing the experience as being 'shackled to the floor with an oxygen tube up my nose'. Times, Sunday Times Suddenly we're not just talking about the snipping of apron strings; we're talking about the snipping of oxygen tubes. Times, Sunday Times Oxygen tubes were pushed into me, so were the long plastic snakes of feeding tubes. Times,Sunday Times The 63st 19-year-old was still breathing via oxygen tubes as she was pictured on the ward for the first time. The Sun The more red blood cells in an athlete's bloodstream, the more efficient their oxygen uptake becomes. Times, Sunday Times For up to one fifth of the participants in trials — dubbed the nonresponders — maximum oxygen uptake did not rise at all, despite exercising. Times, Sunday Times On average, the walking programme had increased peak oxygen uptake, a measure of lung capacity, by 4 per cent, but their more active counterparts improved by 10 per cent. Times, Sunday Times He looked at a player's oxygen uptake and the ratio of low to high intensity work. Times, Sunday Times Even the degree of nostril symmetry was shown to enhance oxygen uptake and to predict distance-running ability. Times, Sunday Times Faced with patients struggling to breathe, doctors turned to invasive ventilation, which involves inserting tubes into airways to pump oxygen, known as intubation. Times,Sunday Times More patients are now being put on non-invasive machines that pump oxygen and air through masks at high pressure. Times,Sunday Times We told how pals battled to keep her alive with mouth-to-mouth resuscitation and chest compressions to pump oxygen to her brain. The Sun The ability to pump oxygen around the body and being able to eat enough to sustain their huge size were limiting factors for growth. Times, Sunday Times Once the unit reached this limit, it ceased to pump oxygen. Retrieved from Wikipedia CC BY-SA 3.0 It uses oxygen from the air rather than the pure oxygen existing manmade lungs need. The Sun But the former paratrooper, 30, has undergone pioneering therapy that involves breathing pressurised pure oxygen to heal damaged tissue. The Sun He began training on the maiali in 1939, although the state of his lungs, damaged further by breathing pure oxygen, necessitated a spell in hospital. Times, Sunday Times Real humans have managed 11 minutes, and more than 20 with pure oxygen. Times, Sunday Times Earlier this month she turned to alternative therapy to get better - including having her blood washed with pure oxygen. The Sun Both pinnipeds and cetaceans have large and complex blood vessel systems which serve to store oxygen to support deep diving. Retrieved from Wikipedia CC BY-SA 3.0 Unlike many marine mammals, crocodilians have little myoglobin to store oxygen in their muscles. Retrieved from Wikipedia CC BY-SA 3.0 Myoglobin, a compound related to hemoglobin, acts to store oxygen in muscle cells. Retrieved from Wikipedia CC BY-SA 3.0 Lash attributed his endurance to his unusual ability to store oxygen in his system. Retrieved from Wikipedia CC BY-SA 3.0 Three-way catalytic converters can store oxygen from the exhaust gas stream, usually when the airfuel ratio goes lean. Retrieved from Wikipedia CC BY-SA 3.0 Just scaling the ladder without supplemental oxygen induced colon cramps. Smithsonian Mag Climbing ropes and supplemental oxygen apart, this was nothing more nor less than an epic feat of walking. Times, Sunday Times Patients with hypoxemia may be given supplemental oxygen. Retrieved from Wikipedia CC BY-SA 3.0 In more serious cases, supplemental oxygen may be used to aid in oxygen intake. Retrieved from Wikipedia CC BY-SA 3.0 A small amount of supplemental oxygen reduces the equivalent altitude in climate-controlled rooms. Retrieved from Wikipedia CC BY-SA 3.0 The mineral has a vital role in forming haemoglobin, the red 'colouring' in the blood cells that transport oxygen around our bodies from the lungs. Times, Sunday Times They are full of iron, which helps red blood cells to transport oxygen around the body. Times, Sunday Times These nutrients help transport oxygen round the body to promote healthy hair follicles and cell growth. The Sun Eggs are a good source of protein - also important for concentration - and iron, which helps transport oxygen around the body to the brain. The Sun This subtype increases oxygen affinity in order to transport oxygen across the allantoic membrane of the embryo. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 氧气 Japanese: 酸素 |
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