Explosive detection system

Explosive detection system

An explosive detection system detects the presence of trace molecules in air. The sensitivity of such instruments is dependent on the concentration of target gas in the sample. The sampling efficiency can be greatly improved when the target object is warmed, even by only a few degrees. A directed em...

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Hauptverfasser: Krasnobaev, Leonid, Persenkov, Vyacheslav, Belyakov, Vladimir, Kekukh, Vladimir, Bunker, Stephen
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Sprache:eng
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creator Krasnobaev, Leonid
Persenkov, Vyacheslav
Belyakov, Vladimir
Kekukh, Vladimir
Bunker, Stephen
description An explosive detection system detects the presence of trace molecules in air. The sensitivity of such instruments is dependent on the concentration of target gas in the sample. The sampling efficiency can be greatly improved when the target object is warmed, even by only a few degrees. A directed emission of photons, typically infrared or visible light, can be used to significantly enhance vapor emission. The sensitivity of such instruments is also dependent on the method of gas sampling utilized. A cyclone sampling nozzle can greatly improve the sampling efficiency, particularly when the sampling needs to be performed at a distance from the air intake.
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