Sentences with phrase «oxygen concentrations varied»
By watching a capsule pass through the gut with an ultrasound, the researchers found that oxygen concentrations varied in different regions of the gut, for example between the stomach and the small intestine.
https://www.sciencenews.org/ Not exact matches
Curiously, the decline in atmospheric oxygen over the past 800,000 years was not accompanied by any significant increase in the average amount of carbon dioxide in the atmosphere, though carbon dioxide concentrations do vary over individual ice age cycles.
Earth's atmosphere is mostly nitrogen and oxygen, but the exact concentration varies with altitude.
Depending on the concentration of oxygen atoms, the chain - like slabs were two, three, or four layers thick, sometimes varying within the same material.
Using molecular beam epitaxy, a well - known technique from semiconductor technology, the group was able to produce RRAM structures where only the oxygen concentration was varied while all the rest of the device was identical.
«Since oxygen concentrations in the ocean naturally vary depending on variations in winds and temperature at the surface, it's been challenging to attribute any deoxygenation to climate change.
Spironucleus lacks canonical aerobic respiration pathways, and yet is able to survive in environments of varying oxygen concentrations.
«Since oxygen concentrations in the ocean naturally vary depending on variations in winds and temperature at the surface, it's been challenging to attribute any deoxygenation to climate change.»