热辐射密度以核爆点距离平方倒数的速度衰减，爆炸、冲击波、致电离辐射效应的衰减速度则更快。
The intensity of thermal radiation decreases only as the inverse square of the distance from a nuclear detonation, while blast, shock, and prompt ionizing radiation effects decrease more rapidly.
强调了极低剂量率电离辐射诱导适应性反应的可能及其剂量效应和时间效应关系的特点。
Emphasis is given to the characteristics of the dose response and time response relationships of adaptive response induced by extremely low dose rate ionizing radiation.
推测电离辐射的上述生物学效应正是由辐照细胞生成的超氧阴离子和羟自由基引起的。
It was suggested that those biological effects were caused by superoxide anions and hydroxyl radicals produced in irradiated cells.
结论：长期低剂量电离辐射对职业人员具有一定的辐射损伤效应。
Conclusion:Long-term ionization radiation of low dosage has certain damaging effect on the health of professional personnel.
结论：电离辐射对淋巴细胞产生的辐射效应导致的微核率增加与个人累计吸收剂量密切相关。
Conclusion: the increasing of micronucleus rate of lymphocyte caused by ionizing radiation is significantly related to the individual cumulated absorb dose.
通过对T淋巴细胞亚型变化的观察，探讨了低剂量电离辐射在肿瘤免疫调节中的兴奋效应机制。
Purpose: In order to understand the mechanism of the stimulation effects of low dose radiation (LDR), we observed the immune changes of T-lymphocyte subsets.
辐射生物效应是电离辐射的离子通过生物介质后一系列现象的最终产物。
Radiation biological Effects are referred to the final products after ionizing radiation particles passing through biological media.
电离辐射广泛存在于人们的生活环境中，因其类型和剂量不同，可诱发机体产生一系列生物学效应。
Ion irradiation exists broadly in the peoples life. It can induce a series of the biological effect in body depending on the different type and dose of ionization.
目的研究低剂量电离辐射对小鼠免疫系统影响的剂量率效应。
Objective To investigate the effect of gamma irradiation at low dose-rate on the level of IL - l2 and IL-10 in the plasma of mice.
目的研究低剂量电离辐射对小鼠免疫系统影响的剂量率效应。
Objective To investigate the effect of gamma irradiation at low dose-rate on the level of IL - l2 and IL-10 in the plasma of mice.
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