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。
The relaxation time increases with distance between two porphyrin rings and the results provide an evidence of formation of the complex.
同时，随着两卟啉环的距离增大，电子自旋弛豫时间变长，证实了双铁卟啉络合物的形成。
The relaxation time increases with distance between two porphyrin rings and the results provide an evidence of formation of the complex.
同时，随着两卟啉环的距离增大，电子自旋弛豫时间变长，证实了双铁卟啉络合物的形成。
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