... 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. [More]
LEICESTER, England, June 23 (UPI) -- British scientists say they've found the chemical element selenium can be used to determine how oceans' oxygen content has changed.
... depth level, the organic content of sapropel S1 decreases corresponding to an increasing average oxygen content and concomitant breakdown of the organic material.
This research shows that there is a ...
... is thus related to tumor growth, retinal damage from diabetes, and rheumatoid arthritis. It is thus important to determine the oxygen content of cells and tissues, which is a challenge to scientists.
... effect on the climate, and also on life."
Using sulfur isotopes to determine the oxygen content of ~2.3 billion year-old rocks in the Transvaal Supergroup in South Africa, they found ...
... Alzheimer's mice exposed to 100-percent oxygen during several 3-hour sessions ... treatment beneficially increases the oxygen content of blood during or after major surgery, it also has several negative ...
... plays an important role. It would therefore be interesting to consider atmospheric and oceanic oxygen contents much more in research aiming at understanding and tackling the causes of the current ...
... at the University of Leicester are using an ingredient found in common shampoos to investigate how the oxygen content of the oceans has changed over geologically recent time. The same ingredient, ...
... 2,000,000,000 to 3,000,000,000 years ago and are given credit for greatly increasing the oxygen content of the atmosphere, making possible the development of aerobic (oxygen-using) ...
... to feed in flight at a plastic tube that allowed him to collect its breath, which was analyzed for oxygen content. Of six birds tested, all expended more metabolic energy when equipped with long tail ...
... atmosphere experienced a substantial increase in free oxygen during the Archean-Proterozoic transition (2650 ... Great Oxidation Event. Although the atmospheric oxygen content was still far less than today ...
... with an inorganic acid. Bio-oil is an aqueous, acidic, highly oxidized mixture. However, its high oxygen content and instability turn out to have a negative impact: bio-oil cannot ...
Bio-oil is an aqueous, acidic, highly oxidized mixture. However, its high oxygen content and instability turn out to have a negative impact: bio-oil cannot be used directly as a liquid fuel. It would, ...
... reaction of polyhydroxy compounds with formic acid will be a valuable alternative for the manufacture of reduced oxygen content products. However, scaling this technique up so that biomass feedstocks ...
... 4-5 hours after arrival, and echocardiographic examinations were performed the next day.
"Reduced oxygen content in the air is the major limiting factor at high altitude. Reduction in exercise ...
