Schematic of the compact built-in PGNAA system's internal structure showing the D-T neutron source, He-3 detectors, and LaBr₃/BGO scintillator arrangement. (IMAGE)

Science China Press

Schematic of the compact built-in PGNAA system's internal structure showing the D-T neutron source, He-3 detectors, and LaBr₃/BGO scintillator arrangement.

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The system measures 237 cm in length and 17.5 cm in diameter, integrating dual neutron-gamma detection modalities within a sealed cylindrical enclosure suitable for vertical insertion into a bypass loop.

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Science China Press, Daqian Hei

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