To introduce a stochastic grouping method for subchronic test of rats.
研究大鼠亚慢性试验随机分组方法。
[Objective] to introduce a stochastic grouping method for subchronic test of rats.
[目的]研究大鼠亚慢性试验随机分组方法。
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 explore the feasibility about Xiphophorus helleri, Poecilia and Gambusia affinis as test organisms for 7 day subchronic toxicity test .
目的探索红剑鱼、孔雀鱼和食蚊鱼作为实验动物用于七天亚慢性毒性试验材料的可行性。
Methods Acute oral toxicity test, subchronic inhalation toxicity test and mutagenicity test were conducted to observe the effects of petroleum asphalt in experimental animals.
方法通过石油沥青急性经口毒性、亚慢性吸入毒性及遗传毒性的实验研究，观察在该实验条件下，石油沥青对受试动物的影响。
Methods Acute oral toxicity test, subchronic inhalation toxicity test and mutagenicity test were conducted to observe the effects of petroleum asphalt in experimental animals.
方法通过石油沥青急性经口毒性、亚慢性吸入毒性及遗传毒性的实验研究，观察在该实验条件下，石油沥青对受试动物的影响。
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