Determination of the age of a product containing volatile components
作者： Roland Hengerer
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摘要: A method and system for determining the age of an object such as a product (5) containing volatile components, comprising steps of: measuring first strength scent with electronic sensor (3), decay rate said being known; simultaneously second (4), calculating current ratio ( sigma ) two strengths; from reference time which 0)of strengths has been registered.
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