Thermal control, including rapid thermal response to compensate for temperature perturbations induced by periodic introduction of assay cartridges which are at a temperature less than that of the chamber, is accomplished by {HEAD ~ heating elements} located above and below {TAIL ~ the conveyor} 
located below
Thermal control , including rapid thermal response to compensate for temperature perturbations induced by periodic introduction of assay cartridges which are at a temperature less than that of the chamber , is accomplished by { HEAD ~ heating elements } located above and below { TAIL ~ the conveyor }
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