Heme, a complex heterocyclic compound, is an organic molecule derived from porphyrin with an iron atom at the centre.
血红素(一种复杂的杂环化合物)是来自中心含铁原子的的一种有机分子。
Trimethylaluminum(TMA), usually used in organic catalysis and organic synthesis, was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系（铁-锑复合催化剂）催化三乙基铝（TEA）与溴甲烷进行烷基交换反应合成三甲基铝（TMA）。
Compared with iron, the iron complex has a higher catalytic activity to improve the removal rate of organic matter from water.
铁络合物与铁相比具有更高的催化活性，可提高水中有机物的去除效果。
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