Sentences with phrase «leaving trace chemical»

Not exact matches

The team was able to relate the depth of each sediment layer with the climate at the time when it was laid down by looking at chemical traces left by microbes, which adapt their structure to the climate.

«The chemical traces in the urine are unique for each lemur, so by leaving scent marks the lemurs can interact and bond with their family without meeting them,» says Dröscher.

Even a society that managed to destroy itself long ago could leave a chemical trace.

«When you handle an explosive, the chemicals and various constituent components present, leave traces on your fingers and clothes, and are transmitted to anything you touch.

In doing so, they left traces of the bacterial chemicals in the food.

This leaves traces of chemicals in the oil.

Photo paper, at times unexposed, at times exposed to various sources of colored light, is led through the processing machine in which is left — in varying degrees of concentration — water and traces of used chemicals, particularly silver nitrate (thus the name «Silver»).

This instrument can identify the chemical composition of materials, so traces of chemicals that only come from fossil fuel combustion would leave a kind of fingerprint.

Flossing with PFCs leaves traces of the chemicals behind in your mouth, where they can get absorbed into your body, particularly if you're doing it once or twice a day for many years.