Sentences with phrase «captured air samples»

Not exact matches

It is much cheaper to test ice cores, which capture years of data in one core, than to do repeated air sampling over time.

We can't measure actual captured air, as we do with ice core samples.

The scientists made on - the - spot measurements of 100,000 vehicles as they drove past air - sampling probes (including a for the first time a proton transfer reaction time - of - flight mass spectrometer; it provided the time resolution required for the plume capture technique used in the study) on College Street, one of Toronto's many major roadways.