poisoning substance meaning in Chinese

有毒物质

The result showed that muscle cells is damaged by exposure in low dosage of cd2 + . so cadmiun is a very important poison substance in the environment . section two : effects of lead on ultrastructure of myocardial cell in freshwater crab sinpotamon yangtsekiense from may to june in 2002 , the effect of pb2 + on ultrastructure of myocardial cells of sinopotamon yangtsekiense was studied by using transmission electron microscopy ( tem )
体外暴露铅对长江华溪蟹心肌细胞超微结构的影响于2002年5 6月，采用体外暴露铅的方法处理长江华溪蟹( sinopotamonyangtsekiense ) ，应用透射电镜技术( tem ) ，观察了铅对心肌细胞超微结构的影响。