Sentences with phrase «oxygen content»

Furthermore, higher oxygen content in the blood stream leads to healthier organs, muscles and tissues.
Mate, the decreased oxygen content at altitude is a function of decreased density, not of changed atmospheric composition.
Since 1960, the researchers found that dissolved oxygen content in oceans has declined by 2 percent on average.
250 — 300 million years ago oxygen content rose to up to 25 percent, and this led to the development of some enormous insects.
Other benefits include reduced electric bills, increased oxygen content in the water, less expendable material (media for filters) and safer habitats for juvenile fish (sponge option).
That can be due to persistent low oxygen content of the pet's blood, as occurs or when your pet's circulatory system or lungs are failing or living at high altitudes.
It measures oxygen content, temperature, relative humidity & pressure and operates from the time the food is packed on the production line right through storage, transport and even whilst it is on -LSB-...]
Biofuels are more sustainable and environmentally friendly than fossil fuels, but their use is limited due to the high oxygen content of bio-oils, which are produced directly from plant matter.
The deep water oxygen content in the Gulf of Finland has improved significantly from last summer and autumn thanks to mixing, but the levels are still lower than in the previous winter.
Compared to the atmospheric oxygen content of about 21 % this decrease is very small and has no impact on health; however, it provides independent evidence that the rise in CO2 must be due to an oxidation process, that is, fossil fuel combustion and / or organic carbon oxidation, and is not caused by volcanic emissions or a warming ocean releasing carbon dioxide (CO2 is less soluble in warm water than cold).
The method for measuring brain activity is based on measuring the changes in the blood oxygen content in the brain and it provides information on the activation of the brain with millimetre - accuracy.
Hypoxia was induced by placing rats in a large Plexiglas chamber in which oxygen content was maintained at 6 % — 7 % using a ProOx oxygen control module (Biospherix, Redfield, NY).
The system monitors throttle position, engine temperature, intake - manifold pressure, atmospheric pressure, exhaust - gas oxygen content, and intake - air temperature.
«As ocean oxygen content declines and acidity increases in California waters it will become increasingly important to incorporate these changes into fisheries management practices,» says Scripps Institution of Oceanography researcher Lisa Levin, Sato's advisor and a study coauthor.
«Some climate models suggest that under global warming scenarios, ocean oxygen content will decrease,» Johnson says.
In principle, a controlled atmosphere high in carbon dioxide and low in oxygen content slows down the rate of respiration, which may extend shelf life of any respiring fruit during storage.
The present review evaluates the evidence for such a complex system by investigating studies in which interventions such as elevated temperature, altered oxygen content of the air, reduced fuel availability and misinformation about distance covered have resulted in alterations to the pacing strategy.
Due to their limited solubility bleaches based on perborates can not provide as high of an available oxygen content as concentrated sodium percarbonate bleaches can.
«What would be the effect of raising the atmospheric water [and] oxygen content.
From 1990 to 2010, the nitrogen isotope record indicates that oxygen content steadily decreased in the area, as expected.
Yet no one has come up with a rock - solid test to determine the precise oxygen content of the atmosphere at any given time from the geologic record.
But everything was not all good: The high oxygen content simply increased the chance for trees to ignite, so it was also a period of many wildfires.
While we have demonstrated direct correlations between oxygen content, crystal structure, and electrical resistance, the same ionotronic concept could be utilized to control other material properties,» says Professor Sebastiaan van Dijken, who is a coauthor on the paper with Yao.
Furthermore, we found that the stem - like and EMT phenotypes observed in the cycling hypoxia - selected subpopulation are not reversible, because we obtained the same molecular profile from this subpopulation by culturing them as spherical cultures for several months in normal oxygen content and culturing them as adherent cells (Figure S2 in Additional file 2).
Oxygen content drops in the blocked pore, and this helps the bacterium P. Acnes to thrive in the blocked pore [5].
The O2 sensor signal gives an indication of oxygen content sensed by the probe by sending an induced voltage that corresponds to the level of oxygen detected.
As engine rpm builds, a VTC actuator - controlled by an engine - control unit that monitors cam position, ignition timing, exhaust oxygen content, and throttle position - advances or retards the intake cam throughout the 50 degree range, optimizing engine output and reducing emissions.
Oxygen delivery to the tissues (DO2) depends on cardiac output and arterial oxygen content.
Nitrox — air with additional oxygen content — allows divers to enjoy longer bottom times (and shorter surface intervals) than their air - breathing dive buddies.
Hyperbaric oxygen therapy works by combining increased oxygen content with high pressure.
Oceanographer Lothar Stramma of the University of Kiel in Germany and his colleagues report in Science that an analysis of historical records and recent samples show that as the globe has warmed, waters with low oxygen content have expanded in the tropical Atlantic and equatorial Pacific oceans.
Thanks to high - resolution models of the oceanic circulation and water oxygen content, IRD researchers and their partners have now quantified this ecosystem's sensitivity to various disturbances in the equatorial Pacific.
While the low marine arsenic concentrations again coincide with a rapid rise in atmospheric oxygen content to near modern day levels at this time, the subsequent increase when the ice melted is not accompanied by atmospheric oxygen decline.
Rapid, accurate measurement of the dissolved oxygen content in beer is important during keg filling.
A 32 - bit, 80 MHz central processor unit (CPU) within the Ridgeline's powertrain control module calculates injection timing and duration after assessing an array of sensor signals: crankshaft and camshaft position, throttle position, coolant temperature, intake manifold pressure and temperature, atmospheric pressure, and exhaust - gas oxygen content.
* The atmosphere went from very high oxygen content (30 %) to very low (15 %) during the Permian.
Observed decreases in oxygen content of the global ocean.
The Hypoxic chamber mimics training at altitude with a lower oxygen content in the air to maximise your training.
Leafy greens also increase oxygen content and purify the blood.
After delivery, the red blood cell count gradually diminishes to adult levels as your baby's body adjusts to breathing air, with its high oxygen content.
One provides ornamental rain showers, and the other is used to increase the oxygen content of water accessories.
This filter can help you increase the oxygen content in the water and enhances natural water circulation.
Because oxygen is critical to many forms of life and geochemical processes, numerous models and indirect proxies for the oxygen content in the atmosphere have been developed over the years, but there was no consensus on whether oxygen concentrations were rising, falling or flat during the past million years (and before fossil fuel burning).
«We analysed data for the water temperature, oxygen content and salinity stretching back for 115 years.
Taking into account the oxygen content of the Black Lake and the maximum oxygen use of swimming, they then examined Harry's weight, suggesting that if he had a normal BMI — providing he hadn't been binging too much on Every Flavour Beans and Chocolate Frogs — and the average height of a 14 year old boy, he would need to process 443 litres of water at 100 % efficiency per minute for every minute he was underwater.
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