A chelating agent that softens hard tap water by binding with dissolved metal ions, preventing them from being deposited as a yucky residue on your nice clean dishes.

一种螯合剂，通过与水中溶有的金属离子结合来软化硬质水，这样这些水垢就不会残留在你洗好的干净盘子上了。

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If the entrustment contract is dissolved or the entrusted affairs can not be accomplished due to reasons not attributable to the agent, the principal shall pay corresponding remuneration to the agent.

因不可归责于受托人的事由，委托合同解除或者委托事务不能完成的，委托人应当向受托人支付相应的报酬。

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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.

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。

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