Sentences with phrase «dissolved oxygen gas»

Not exact matches

Shen's own work demonstrates that the deeps of the Proterozoic ocean were full of sulfidic gases, not dissolved oxygen, and indicates that a complex natural environment, complete with a food chain and natural selection, was in place on Earth at an early date.

The gas reacts with, and thereby diminishes, dissolved oxygen, a process that creates carbon dioxide that will tend to acidify surrounding waters.

Because warm water holds less oxygen than cold water, oceans are expected to lose some of the dissolved gas as a consequence of climate change.

The team previously published their gas measurements in May 2016, reporting that carbon dioxide levels at both sites were below atmospheric saturation during the study period, whereas dissolved oxygen was slightly supersaturated.

Gained qualification in analytical devices for varied processes, including specific analyzers of O2, Hydrogen, dissolved oxygen, conductivity, gas chromatograph and infrared.