而要形成螯合物其中有一个因素非常重要，就是金属离子周围必须有足够的原子与它产生配位。
One of the important factors to form chelate is there should be enough atoms to coordinate with metal ion.
采用高分子有机螯合剂与废水中的多种重金属离子发生螯合反应，生成稳定且不溶于水的金属螯合物来去除废水中的重金属离子。
Using organic chelating agent to response with several kinds of heavy metal ion, then the heavy metal ion will be reduced by forming the product with high stability and hardly dissolved by water.
本发明涉及单克隆抗体及金属离子与螯合剂组成的螯合物，它既可用于治疗诊断，也可用于纯化微量金属等其它方面。
The invention relates to monoclonal antibodies and the chelate, composed of metal ions and chelating agent. It can be either used for curing and diagnosing or for purifying trace elements of metal.
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