trace detector การใช้

• Some oversized checked baggage will go straight to the trace detector stage.
• Then the paper is inserted into a hole in the explosive trace detector.
• Since 1997, the FAA has installed 327 trace detectors at the nation's airports.
• Some airports will have only trace detectors and some will have a combination of the two.
• The trace detectors require more employees and take longer to examine luggage than the larger machines.
• To date, the agency has purchased approximately 800 smaller " explosives trace detectors ."
• The San Francisco airport was the first in the nation to test the explosive trace detector, Wilson said.
• More properly called particle detectors or trace detectors, these devices are perhaps best known from their use in airports.
• "Fifteen minutes training on a trace detector is ludicrous, " said Vincent, an aviation security consultant.
• Although the next generation of trace detectors focuses on walk-through systems that could check every passenger, the technologies vary.
• Consequently, those machines will be supplemented by 4, 700 smaller explosives-trace detectors _ which require more time per bag.
• The trade-off is that the trace detectors require far more trained security employees than the explosive detection machines, Mica said.
• Policemen were seen searching for evidence with bullet proof vests, when they should have been using bomb suits and explosive trace detectors.
• The airport's " explosive trace detector " doesn't look like the robotic pooches of science-fiction films.
• Trace detectors are commonly used on laptop computers and other fairly large objects that could conceal a bomb that X-rays cannot detect.
• Ion Track's trace detectors are used all over the world, from American nuclear power plants to the Kremlin and the Indian Parliament.
• Trace detectors, as such machines are called, are in use at about 50 airports, but for carry-on bags, not people.
• So now, every passenger selected for secondary screening after passing through metal detectors will have their carryon items subjected to checks by explosives trace detectors.
• Rather, the trace detector is as drab as its name _ a squarish, blandly colored box the size of a medium-sized television set.
• According to Fainberg, trace detectors are generally sensitive enough to detect nitroglycerin on the luggage of passengers who are taking it in medication for heart conditions.