Background:Stirling cycle-based cryocoolers employ mechanical compressors activated by inductive electrical motors producing an oscillating pressure in a gas. The main disadvantage of these conventional compressors is their limited lifetime, caused by mechanical friction and wear. Wear products degr.....
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Particle analyzers utilize particle 'focusing' by establishing high particle concentrations within a thin stream of gas. Most specimens for analysis, like gunpowder residue in ambient air, do not show these properties. Aerodynamic lens arrays which consist of many tubes which reshape the particle fl.....
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