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1·Women who are exposed to mercury, cadmium, or vinyl chloride before conceiving seem to be especially likely to have autistic kids.

女性在怀孕期间接触汞、镉或氯乙烯很有可能会生出自闭症患儿。

2·The excess tin chloride addition produces black mercury precipitation and is about to seriously affect the determination of iron by using potassium chromate volumetric analysis method.

重铬酸钾容量法测铁中，二氯化锡超量产生黑色汞沉淀，严重影响测定。

3·The amine hydrochloride is subsequently reacted with acetylene in the presence of mercury free catalysts to produce vinyl chloride.

再将有机胺的盐酸盐与乙炔反应，在非汞催化剂的作用下生成氯乙烯。