To study the subchronic toxicity of formaldehyde by inhalation in rats.
研究甲醛经呼吸道染毒的亚慢性毒性作用。
Methods A short-term and a subchronic test on rats were respectively carried out to study the toxicity of low-dose T-2 toxin by observing the histopathological changes of transparent cartilage.
方法利用大鼠进行短期毒性实验和亚慢性毒性实验，通过透明软骨的组织病理改变来观察低剂量T-2毒素对软骨的损伤作用。
Methods Subchronic toxicity test was applied. The rats were exposed to arsenic by oral perfusion at gradient doses for 6 weeks respectively.
方法采用亚慢性毒性试验方法，大鼠经口灌胃染毒，试验期为6周。
Conclusion No adverse effects of Bainianle dietetic liquid were observed on subchronic toxicity test of rats and toxicity test of mice.
结论本试验提示百年乐对大鼠亚慢性毒性试验及小鼠毒性试验未产生不良影响。
[Objective] To study the subchronic toxicity effect of difenoconazole on rats and its NOAEL.
目的研究苯醚甲环唑原药对大鼠的主要亚慢性毒性作用及无明显损害作用剂量。
[Objective] To study the subchronic toxicity effect of difenoconazole on rats and its NOAEL.
目的研究苯醚甲环唑原药对大鼠的主要亚慢性毒性作用及无明显损害作用剂量。
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