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本文报告了经混合中子-γ线照射后,人外周血淋巴细胞染色体畸变的剂量效应关系。本实验所用的放射源为反应堆中子治疗转换器(RENT),中子平均能量是1.6MeV,在标准条件下,距源560厘米时,中子比释动能率K_n为0.234～0.206Gy分~(-1),γ线Kr为0.070～0.063Gy分~(-1)。在0.041～1.97Gy剂量范围内共13个剂量点。人外周血经14.5MeV中子照射,培养46小时,用FPG法染色,分析第一次有丝分裂细胞,实验组分析了10,100细胞,对照组分析了2,400个细胞。
This article reports the dose-response relationship of chromosomal aberrations in human peripheral blood lymphocytes irradiated by mixed neutron-gamma rays. The radiation source used in this experiment is the reactor neutron therapy converter (RENT). The average energy of the neutron is 1.6 MeV. Under the standard conditions, when the distance from the source is 560 cm, the kinetic energy of neutron k_n is 0.234 ~ 0.206 Gy ~ (-1), γ ray Kr is 0.070 ~ 0.063Gy points ~ (-1). In the 0.041 ~ 1.97Gy dose range a total of 13 dose points. Human peripheral blood was irradiated with 14.5 MeV neutrons, cultured for 46 hours, stained with FPG method to analyze the first mitotic cells, the experimental group analyzed 10,100 cells, and the control group analyzed 2,400 cells.