| 摘要 |
a) Method and installation for non destructive measurement of the density of a cellular polymer article. b) Installation, characterised in that it comprises: - an analysis assembly (1) formed by a radiation source (3), a radiation detector (5), an analysis location (6) between the source (3) and the detector (5) for receiving the article to be analyzed, - a processing assembly (2) comprising a computation unit (8) receiving the detection signal (S) and having, in memory, prior calibration data for comparing the detection signals with these calibration signals and deducing therefrom the density of the analyzed article. <IMAGE>
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