Analysis of the poisoned ion exchange resin proves that the pollution of ion exchange resin by iron compound is the main reason leading to exchanging ability reduction.
通过对中毒离子交换树脂的分析，证实离子交换树脂被铁化物污染是导致离子交换树脂交换能力有所下降主要原因。
Determining the iron content in organism by oxygen bomb burning incineration is easy to operate, fast to finish, free of pollution and reliable in different conditions.
用氧弹燃烧灰化法对有机物中铁的含量进行测定，方法操作简便、快速，实验过程无污染，测定结果可靠。
The traditional iron fence in the wind and rain erosion under the rusting, the rust washed by rain into the wall was terrible pollution.
传统铁艺栅栏在风雨的侵蚀下锈迹斑斑，被雨水冲刷的铁锈把墙体污染得惨不忍睹。
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