Compounds containing iron, palladium, platinum, and the rare-earth elements exhibit strong paramagnetism because they have atoms with some incomplete inner electron shells.
含有铁、钯、铂和稀土元素的化合物呈现强顺磁性，因为这些元素的原子有不完全的内电子壳层。
During the process of producing amido-dye, a lot of iron mud containing organic compounds are produced, which pollute the environment seriously and result in resource waste.
氨基染料生产过程中产生大量含有机物的铁泥，对环境造成严重污染并造成资源的极大浪费。
The project also found that some iron-containing molecular sieves or compounds could catalyze the epoxidation of high olefins using oxygen as the oxidant.
项目还发现了一些含铁分子筛或化合物可以催化以氧气为氧化剂的高碳烯烃的环氧化反应。
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