Re-adsorption under the conditions ibidem got the removal ratio 80% indicated that the material can be utilized for several times.

用吸附了铬离子的针铁矿进行的二次吸附实验（条件同前）去除率达到80％左右，表明该针铁矿可以重复利用。

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Legacy translation memories to be utilized for matching are placed into this folder before a project is opened.

打开项目前，把用于匹配的原先的翻译记忆都放入该文件夹。

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The bauxite reserve in Jiaozhuo is very rich, but most of it is low grade. So, it can be utilized for aluminum metallurgy only after being enriched by mineral processing.

焦作市铝土矿储量极为丰富，但以低品位矿石为主，必须经过选矿富集，方可达到利用之目的。

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