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随着航天员在太空停留的时间逐渐延长 ,各种航天环境因素对航天员的影响更加显著 ,紫外线缺乏也成为一个重要因素。研究表明 ,低剂量 ( 1 0mJ/cm2 )的紫外线照射对人体是有益的而且是必需的 ,它可增强机体免疫功能 ;改善载人航天时周围环境的卫生条件 ,提高机体的工作能力和航天中不利因素的抵抗力 ,预防航天员飞行中矿物质丢失 ,治疗皮肤化脓性疾病和变态反应性疾病 ;对变态源的脱敏等。所以 ,对长期航天时的航天员适当进行紫外线照射是十分必要的。
As astronauts stay in space for extended periods of time, various aerospace environmental factors have a more significant impact on astronauts, and UV deficiency has also become an important factor. Studies have shown that low dose (10mJ / cm2) of ultraviolet radiation on the human body is beneficial and necessary, it can enhance the body’s immune function; to improve the hygiene conditions of the environment during manned space flight to improve the working ability of the body and aerospace Resistance to unfavorable factors, prevention of mineral loss in astronauts’ flight, treatment of cutaneous purulent and allergic diseases, desensitization of abnormal sources, and the like. Therefore, it is necessary to properly irradiate the astronauts in the long-term space flight with ultraviolet light.