方法用浸泡杀螺试验和鱼毒试验，观察氯硝柳胺在水体及土壤中持效时间及其影响因素。
Methods The influencing factors to the effective duration of niclosamide in water and soil was investigated by the snail immersion method and the fish toxicity test .
研究氧化型染发剂主要成分对苯二胺（PPD）氧化产物经皮吸收后对小鼠的亚慢性毒作用。
To study the subchronic toxicity to mice caused by the oxidized product of paraphenylenediamine(PPD).
研究氧化型染发剂主要成分对苯二胺（PPD）氧化产物经皮吸收后对小鼠的亚慢性毒作用。
To study the subchronic toxicity to mice caused by the oxidized product of paraphenylenediamine(PPD).
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