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本文描述一个直径为25厘米的聚乙烯球中子雷姆仪。中心探测器为热释光元件氟化锂。其响应近似正比于雷姆曲线。该仪器的响应与雷姆曲线比较,热中子的响应在±2%以内符合;0.2～7兆电子伏能量范围内,在±10%以内符合;7兆电子伏能量以上,响应随能量的增加而下降,至14兆电子伏,约比雷姆曲线低40%。该仪器可用于超临界事故现场和反应堆周围等固定场所,以测定中子剂量当量。
This article describes a polyethylene ball neutron reamer with a diameter of 25 cm. The center detector is a thermoluminescent element lithium fluoride. The response is approximately proportional to the Rehm curve. The response of the instrument is compared with the Rehm curve, the response of the thermal neutron is within ± 2%; within ± 10% of the energy range of 0.2 to 7 MeV; the energy of 7 MeV is above the response of the instrument with energy Increases and decreases to 14 MeV, about 40% lower than the Rehm curve. The instrument can be used at supercritical accident sites and around the reactor and other fixed places, to determine neutron dose equivalent.