| 摘要 |
The present invention relates to a passive radiation detector wherein the base thereof defines a housing adapted to receive a lid thereof in closed position, the housing comprises means for articulated connection of the lid and means for immobilization of the lid in open position, and the lid comprises, on its inner face in closed position, means for holding a substrate and for exposure thereof when the lid is in open position. The invention is particularly useful for the measurement of radiation in buildings.
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