Effect of the short - term simulated weightlessness (SWL), radiation and SWL plus radiation on immune function in rats was studied and the mechanism were investigated.

• 本文研究的目的是探讨短期模拟失重、电离辐射及两者复合因素对大鼠免疫功能的影响及其免疫功能改变的原因.；大鼠为实验动物；尾悬吊为模拟失重动物模型~(60)Co为辐射源