Sentences with phrase «higher concentrations of oxygen»

By increasing the pressure within the chamber, the body is able to absorb higher concentrations of oxygen.

Bugs used to be bigger, in part due to higher concentrations of oxygen.

By triggering a process called autophagy — in which cells literally engulf their own insides — researchers from Drexel University and Yale University were able to decrease lung injury in mice that were exposed to high concentrations of oxygen.

Mario Schietroma and his coauthors, based at the University of L'Aquila in Italy, reported that giving patients high concentrations of oxygen during and after colorectal surgery significantly reduced their risk of infections.

The water has a higher concentration of oxygen than the blood.

A high concentration of oxygen makes it easier for your pet to breathe comfortably and get the oxygen he or she needs for vital organs.

Not exact matches

Landon was diagnosed with hypernatremic dehydration (a high concentration of sodium in the blood), cardiac arrest from hypovolemic shock (a condition where the liquid portion of the blood is dangerously low), and hypoxic - ischemic encephalopathy (a brain injury caused by oxygen deprivation).

What happens is that a too high concentration of nitrates can prevent oxygen from being carried properly in your baby's blood.

High nitrate concentrations can be particularly dangerous for babies under six months, since nitrate interferes with the ability of blood to carry oxygen.

This expanse of low - oxygen, or hypoxic, waters is produced by an overgrowth of algae caused by high nutrient concentrations.

In places where sea - floor oxygen levels are a bit higher — about 0.5 — 3 % of concentrations at the sea surface — animals are more abundant but their food webs remain limited: the animals still feed on microbes rather than on each other.

To isolate the effects of oxygen concentration, researchers from the University of Colorado compared the rate of SIDS in infants living at high altitudes, where the air is thin, to those living closer to sea level.

When a certain amount of oxygen vacancies (4 mol %) exists in the material, the proton concentration around Zr is higher than that around the rare - earth element which indicates protons with less influence from the trapping effects of the rare - earth element (Fig. 1).

Mangrove rivulus, which can live out of the water for extended periods of time (days or weeks, as long as the conditions are moist), uses its specialised jumping technique when water has low oxygen concentrations or high levels of hydrogen sulphide, or to escape predators and search for terrestrial prey such as crickets.

In Earth's geological record, the appearance of high concentrations of manganese oxide minerals is an important marker of a major shift in our atmosphere's composition, from relatively low oxygen abundances to the oxygen - rich atmosphere we see today.

Some microaerophilic Fe (II)- oxidizing bacteria produce organo - mineral structures, so - called twisted stalks, in the presence of high iron and low oxygen concentrations.

The models showed that thinner carbon nanotubes with a relatively high concentration of nitrogen would perform best, as oxygen atoms readily bond to the carbon atom nearest the nitrogen.

From yeast to worms to humans, this stress response and its primary regulator, heat shock factor 1 (HSF1), help normal cells adapt to harsh environments, including the presence of heavy metals, high salt concentrations, low oxygen levels, and of course increased temperatures.

With little oxygen available to convert that hydrogen into water, hydrogen gas probably accumulated in the atmosphere and oceans in concentrations as high as hundreds to thousands of parts per million.

Areas with a lot of trees have a higher oxygen concentration in the environment, and therefore it's easier to breathe and relax.

At the trace levels normally found in biological systems (plants and animals), selenium apparently acts as an antimutagenic, oxygen - radical scavenger, but at higher concentrations selenium is capable of inducing mutations (cancer).»

But the boiling point of heavy water, as well as heavy oxygen water (H2O ^ 18 rather than H2O ^ 16) are higher than that of normal water, and are found in water vapor in the atmosphere at lower concentrations when the global temperature is low.

In snow, colder temperatures result in higher concentrations of light oxygen.

See Curry post on «Nonequilibrium thermodynamics and maximum entropy production in the Earth system» paper by Axel Kleidon (downloadable) https://judithcurry.com/2012/01/10/nonequilibrium-thermodynamics-and-maximum-entropy-production-in-the-earth-system/ «The Earth system is maintained in a unique state far from thermodynamic equilibrium, as, for instance, reflected in the high concentration of reactive oxygen in the atmosphere.

But pollution also covers hundreds of chemicals which are fine or even beneficial at low levels but which if released in large quantities or in problematic circumstances cause «harm» — like phosphorus (grows your veges but also leads to toxic cyanobacterial blooms which kill cattle), nitrogen (grows crops kills many native species of plants and promotes weed growth costing farmers), copper (used as an oxygen carrier by gastropods but in high concentrations kills the life in sediments which feed fish), hormones like oestrogen (essential for regulating bodies but in high concentrations confuse reproductive cycles especially with marine life) or maybe molasses from a sugar mill (good for rum but when dumped into east coast estuaries used to cause oxygen sag in estuaries leading to massive fish kills).

The paper, «Reconstruction of past atmospheric CO2 concentrations by ice core analysis», acknowledges that, due to impurities, liquid water can exist as low as -50 deg C. Diffusion of CO2 into this water, due to its far higher solubility than nitrogen and oxygen, will partially deplete the CO2 from trapped air bubbles.

There are probably «blooms» of methanotrophs where the concentrations are high, and mixed populations of microbes of wildly varing composition across the methane / oxygen / temperature gradients.