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总结了钻石中氮的存在形式及类型、氮的聚集过程及影响因素。对辽宁复县５０号岩管中的钻石定向切片进行红外光谱分析，结果显示，同一矿区的钻石具有不同的氮的聚集态和类型；同一粒钻石从中心至边缘亦可出现不同的氮的聚集态。杂质Ｎ，Ｈ在钻石中分布不均匀，与钻石的成矿环境的变化及多期生长结构相吻合。
The forms and types of nitrogen in diamonds, the process of nitrogen accumulation and its influencing factors are summarized. Infrared spectrum analysis of diamond directional slices in the rock tube of Fuxian County No.50 in Liaoning Province showed that the diamonds in the same mining area had different aggregations and types of nitrogen. Different diamonds could also have different concentrations of nitrogen from the center to the edge state. Impurities N, H are unevenly distributed in the diamond and are consistent with changes in the metallogenic environment of the diamond and the multi-period growth structure.