Sentences with phrase «useful tracer»

Sulfur hexafluoride (SF6) is nearly inert in the troposphere and stratosphere and has documented, steady increase in the troposphere due to industrial sources, making it a useful tracer of atmospheric circulation.

Although these two lines have not yet been observed in a brown dwarf disk in the sub-mm, they are useful tracers of warm surface - layer gas and disk ionization.

Not exact matches

PET scans which use fluorodeoxyglucose (FDG) as a tracer can be used for neuronal loss, and are useful when a reliable short - term prediction of cognitive decline is needed.

«When we got the first inkling that our new mechanism might be useful for developing radioactive tracers, we started looking at Berkeley Lab and its Biomedical Isotope Facility, which was really central to this work,» Levin said.

However, the authors suggest that increasing the size of the detectors or the amount of radioactive tracer could help to overcome these issues, and propose that their technique could be useful for the study of both biological and non-biological systems.