DETECTING UNIT FOR RECORDING GAMMA-RAYS SOURCES LOCATED IN ITS FIELD OF VISION

摘要

FIELD: inspection of soil samples for radioactive contamination. SUBSTANCE: use is made of two background radiation absorbers one of which is extremely light; unit also has light conductor with filler lead; internal background radiation sources are eliminated. EFFECT: provision for recording in presence of background radiation in addition to rays being recorded. 1 dwg