THIS SAMPLE, a 14-inch-tall layer cake of asphalt, gravel, and brick, was extracted from Turn 4. It was still undergoing testing in April, a month before the Indianapolis 500. Testing is routine, but ...
When ion mobility spectrometry (IMS) and mass spectrometry (MS) were first combined in a commercial instrument more than a decade ago, users had limited options. If they wanted the analytical power ...
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