Sentences with phrase «traced by molecules»

Cell biologists would like to reduce the complex communication patterns traced by molecules that regulate the health of the cell to a set of signaling rules.

Not exact matches

The team traced the molecules found in these air samples to their original sources using databases that show the specific volatile organic compounds released by specific products.

He uses a technique called diffusion spectrum imaging, which traces neural connections by following water molecules as they diffuse along axons.

Three prokaryotic components can be traced by comparing molecules in extant prokaryotes and eukaryotes.

It may be possible to tell whether most of the manure came from humans or from pigs by looking for traces of other molecules, such as acids released in bile.

Fortunately, astronomers have been able to use longer radio wavelengths that are not absorbed by the obscuring dust and radiowave - emitting molecules like carbon monoxide (which are concentrated in the spiral arms) to trace the spiral disk's structure.

The trace gas molecules will either be formed by the ionising particle beam in pure artificial air or be introduced directly into the chamber.

In galaxies like the Milky Way, dense gas traced by HCN but composed mainly of hydrogen molecules is always associated with regions of active star formation.

The assertion is that because individual molecules of CO2 leave the atmosphere within a few years, claims of a building threat from the heat - trapping properties of this trace gas (amplified by feedbacks) are overblown.

Am I correct in assuming that for every external photon, coming or going, that contributes to the heating or cooling a local region of the atmosphere by interacting with CO2 molecules, there may be 60 to 100 other photons having that same effect by interacting with gaseous water, free H2O molecules, due to the relative abundance of these two trace gases in the atmosphere?

Spector Am I correct in assuming that for every external photon, coming or going, that contributes to the heating or cooling a local region of the atmosphere by interacting with CO2 molecules, there may be 60 to 100 other photons having that same effect by interacting with gaseous water, free H2O molecules, due to the relative abundance of these two trace gases in the atmosphere?

The main goal of this program is to determine the global distribution of carbon dioxide and other trace atmospheric gases by sampling at various altitudes and latitudes in the Pacific Basin, counting the molecules and using the data to test mathematical models» predictions.

By the way a 1 in 100,000 molecule trace on a trace of man made contribution having an effect (whatever the amplification sign) on the atmosphere would imply a grossly unstable system, one that would have venus» ed out billions of years past.

The trace gas molecules will either be formed by the ionising particle beam in pure artificial air or be introduced directly into the chamber.