目的为了解新型除草剂仲丁灵原药的毒性及其亚慢性毒性的阈作用剂量和最大无作用剂量，并为长期毒性试验提供充分的毒理学资料。

To explore the sub-chronic toxicity of pdibutalin and the largest ineffective dosage, and provide sufficient toxicological data for long-term toxicological experiments.

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最后，对雨生红球藻粉进行了卫生安全性和毒理学评价，为雨生红球藻在动物和人体中的抗氧化作用的研究提供了第一手资料。

Finally, the assessment on hygiene safety and toxicology were carried out, which provided the directed information for study on astaxanthin antioxidation in animal andhuman further.

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资料综合从航天毒理学面临的挑战、舱内污染物的防护措施、航天毒理学的发展趋势等三个方面进行综合。

Literature synthesis it was summarized into three parts, space toxicological challenges, countermeasures against contaminants in spacecraft cabin, progress direction of space toxicology.

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