Sentence examples for trace detection from inspiring English sources

One is to use trace detection by taking wipe samples from the truck itself, again in order to detect traces of explosive residue, the same way airport security screeners typically examine laptop computers.

Trace detection has the advantage of requiring minimal judgment by the screeners, who can also lose focus on their work.

Boeing has a contract to put them or similar machines called Explosive Trace Detection devices in 429 commercial airports.

The government may meet the deadline by using a smaller, less expensive device, the trace detection system, Mr. Jackson said.

At those, he said, his agency could use dogs, or screeners with trace detection equipment, the kind now familiar to travelers who pass through security checkpoints.

The security administration has yet to figure out how to install 5,800 explosives and trace detection devices in airports before the end of the year.

In recent years, because of the continuously increasing amounts of drugs and advanced ultra-trace detection technologies, considerable human and veterinary drugs have been detected in the environment, especially in water [ 88, 90, 91].

To comply with the new requirements, the county airport has 11 new explosive-trace detection machines in use.

They were required to develop proficiency at several stations, including the X-ray machine, the explosives-trace detection machines, "wanding" (searching a passenger with a hand-held metal detector) and monitoring the walk-through metal detector.

This required manufacturing thousands of expensive machines that resemble cat-scan medical devices, and the hiring of more people to operate them and the alternative explosive-trace detection systems that are now in use at many airports.

These results confirmed that the Ag@PAH NPs will become a promising candidate in a smart ultra-trace detection of biological hazards or chemical reagents.