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为了确定饮水中硅的阈浓度,作者在饮水中含硅高的地区(>20mg/z)和低硅区(<3.0mg/l)对896名健康者和120条母牛作了肾、甲状腺和甲状旁腺生理卫生机能的研究,并以所得的资料作为三批动物实验研究的基础。第一批用体重100±10g 的大鼠每组12只共4组作持续6个月的实验,对照组给以无硅自来水,另三组分别给含硅5、10和15mg/l 的自来水。第二批实验用体重95.2±5.6g 的雄性大鼠每组16只共4组作长达7个月的实验,
To determine the threshold concentration of silicon in drinking water, the authors performed kidney and thyroid gland administration on 896 healthy and 120 cows in areas with high silicon (> 20 mg / z) and low silicon (<3.0 mg / l) in drinking water And parathyroid physiology and health function of the study, and the resulting data as the basis of three batches of animal experiments. The first batch of 12 rats with a body weight of 100 ± 10g each group for a total of 4 groups for 6 months of experiments, the control group was given silicon-free tap water, the other three groups were given silicon 5,10 and 15mg / l of tap water . The second batch of experiments with a total body weight of 95.2 ± 5.6g male rats 16 each group 4 for up to 7 months of experiments,